When I take my outboard out I will start the motor before I leave home checking water flow and batteries. TIP: The start-in-gear protection device prevents the engine from starting except when in neu- tral. Hitches, & It runs and idles great once i get it cranked, but can be a beast to get it going. I have tried pumping up the bulb LOTS, Not pumping the bulb, choke, no choke, more throttle, no throttle, ect. Deals, Trailering When an outboard boat motor “floods,” it has too much fuel in the cylinder. Im not sure if the fuel gets through first time but I squeeze the ball really hard. Hard starting 50 hp Mercury Outboard Motor. Copyright © 2019 IBOATS. GPS Chartplotter and Fish Finder Combo, Find We are open and working our normal schedule.
I'm supposing there is a problem with the cold start enrichment system and or Idle up system ... anyone shine any light on this problem? Category, View After it finally gets started it will start right up after that all day. to work properly, but this engine is just too, too sensitive to minor fuel/air variations when cold. All, Boat Bimini 1; 2 ... Something must be amiss. The new 70 hp Yamaha has what they call "Prime Start" or something like that. This isn't a hot 4 stroke we're are talking about here, 2 stroke engines are very easy to start hot or cold, and hard starting is a sign that something is not right in your engine. My Yamaha 9.9s typically need the throttle to be goosed a few times for a cold start. When it does start , it runs great. Lower the throttle as the engine starts. And how to start a 2-stroke outboard motor is as important as ever. One problem one of our early Lehr motors had was hard starting, this turned out to be an overly rich mixture. low fuel pump pressure or a flooded carburetor can cause it not to start up. A little throttle. Outboards, Shop Dock, Cabin and Hardware, Boat Seat Make sure there is fuel in the tank and the fuel tank vent is … The "well" gets its gas from the main float bowl by the small (and I mean small) passage at the bottom of the bowl. Professionals. Maintenance, Fiberglass & Epoxy The rest of the day, no more issues. Have just purchased a Quintrex explorer 390, Yamaha 30CV outboard package, Have run 2 tanks of 25:1 pre mix fuel through it with very little smoke and are now starting to run it on 100:1. Tables, Minn Kota However, they don't always fire right up when you try to start them. I'm a very experienced sailor and have torn down and rebuilt outboards, I/O's and inboards and know how to get a carb. Covers, Boat Cover Provides Boat, Outboard for Research, Tagging in North Florida. the system is designed to be a turn key only deal
DO NOT use any throttle advance when cold starting.the choke solinoid only works when the engine is cranking
a tap from the lighting coil … (now at 10 hours total) Floods easily and always takes at least 5 pulls, sometimes 20 pulls to start from cold. You may need to lean out the idle mixture a bit if the engine bogs at idle speeds. (now at 10 hours total) Floods easily and always takes at least 5 pulls, sometimes 20 pulls to start from cold. This can make it either difficult or impossible to start, depending on the severity of the situation. Starters, Marine Solar Power Marine Battery Chargers, Shop I have purchased a 1987 yamaha 70 hp that sat for several years. This article will cover both outboards that do not turn over or start and outboards that turn over but won’t start up. They are dependable, powerful and relatively quiet. As stated it takes a lot of cranking to start it. Smoke http://www.boats.net/parts/search/Ya...TOR/parts.html, If this is your first visit, be sure to Tops, Bimini Top To start and run, a Yamaha outboard needs a properly timed ignition and correct air/fuel ratio. it wont start cold. Transom when I prime the bulb I can see fuel being sucked into the fuel filter, and then I can hear the fuel filling up the carb. Handles, Life Jackets & Bilge Pump, Tires, Rims, & Hub Communication, Auto Pilot Get a small wire (remember, always use a small wire to pass through all passages at time of cleaning or you are wasting your time. Furniture, Boat Seat Pedestals & Yamaha outboard always difficult first start? Supplies, Boston Whaler, 1972-1993, If it still won’t crank, check the neutral switch. Would start off at approx. Terminals, Marine Fuse Blocks & Stay calm, take a deep breath, and try these troubleshooting tips for when your outboard won’t start. Bullet Skimmer, Paint and Shelters, Boat Ask Your Own Boat Question. - 2004-2009 Yamaha Vino 125 watch the choke plates with the air box off. If it tries to start or starts, release the choke. If that happens, particularly if it was a cold start, you can now start it using your typical “cold start” procedure with choking it, etc. Timing and synchronizing out of adjustment 10. To get it to crank, i set it with fast throttle all the way up and choke all way closed, it smokes quite a bit and sounds like it is running on two cylinders when it finally hits, then gradually over a minute or two smooths out and will idle perfectly. Detectors, Binoculars & Covers, Boat Seat Pull out the choke knob fully. Perhaps it’s an outboard in need of a rebuild. Page 55 Operation Starting procedure (cold engine) Place the gear shift lever in neutral. I have cleaned carbs, put in new plugs, installed new fuel pump, cleaned fuel filter, and replaced water pump. And if you ever can't get one start, check out our 25 reasons why your boat engine won't start. when in cold weather when on the river. Category: Boat. In the past, you had to learn how to start an outboard motor. & Dock, Anchor Chains & Helm Seats, Shop check out the. make sure all 3 close correctly. Topic: 70HP Yamaha cold start problem: bloller: posted 07-28-2003 12:11 PM ET (US) What could be causing my new engine to idle rough and stall out when first starting it? I leave it for a while, go back and it will start. prime start is just similar to the choke on many other motors. Sometimes, after flooding, it will start and then die. Deals, Electronics When an outboard boat motor "floods," it has too much fuel in the cylinder. I understand shutting off the choke right after the motor lights works just fine, but I can't seem to get my hand down to the carb fast enough. Motors, Fishing Downriggers & Wells, Toilet & Waste & hello
yep your on the right track. Have tries all sorts of routines but there is no standard method that works. Carburetor adjustments too lean (not allowing enough fuel to start engine) 9. If it doesn’t start with a half dozen pulls, wait 10 minutes and try again. Covers, Boat Shrink Wrap ACCOUNT, Find AN For the sake of comparison, if your motor's normal idle speed is, say 750 RPM, I would guess a good cold starting speed of 1500 RPM would work, backing off to less, as soon as it starts. Varnish, Marine Adhesives, Honda 5hp Outboard, Boat Boats, Propeller Parts & Instruments, VHF Radios & It takes about 3 to 5 minutes of attempts before it starts. Re: Yamaha 90: Hard to start pushing the key in on cold start actuates the prime start enrichening device on the middle carb, allowing for much easier starts when motor is cold. This 2017 6hp motor came from the factory almost impossible to start. I found that the ground on the wire harness under the seat was not grounded! I immediately put both motors full down, they will drain quite quickly, I then start the motor and put in gear just for about 2 seconds, just to spin any water out of the pump, then shut it off. You are using an out of date browser. Boarding, Paddles & at this point, when the motor actually did run, it would start and could idle for 5 minutes just on the fuel in the carb. Switches, Shore Power & AC All times are GMT-5. I try to start it and just turns over and over. Starting at the engine. Software, Digital Tops, Other We did a great run 80+ km up the Murray river to run it in had no problem with starting, idling or after a short while running it at full plain. I am surprised that no one has joined in as of yet. Mercury outboards are one of the most popular outboards on the water. The first thing we want to do is a visual inspection of the entire fuel line. OUTBOARD STARTS BUT DIES WHEN YOU PUT IT INTO GEAR Although many issues can cause a no-start, several of the most common problems are easy fixes. After a few restarts, it would finally keep running. Posted on Jul 15, 2009. Axles, Boat Trailer Tie Re: 9.9 4 stroke hard cold start I don't work on yamahas, but by looking at the parts breakdown for your engine I don't any external operation of what I would call a cold start valve. Holders, Cabin Accessories & Screws, Boat Handles, Pulls, Just had it tuned up and still have a difficult time starting when in the water. the mixture is set by turning a tapered needle in, or out , on the slide of the carburetor . Maintenance, Pumps and Insurance, Boat SOURCE: cold starting problems 1981 yamaha maxim 400. Starting at the engine. Its hard to find good data supporting what an appropriate measurement of cylinder compression should be in older outboard boat motors. I have an 1974 85HP Johnson that is very difficult to start. Vinyl, Floating Boat In cold weather, you may need to hit the choke to prevent stalling. Hardware, Boat Cabin It is an automatic enrichment system. When hot there isn't a problem starting.
There appears to be no fast Idle when it eventually catches, in fact it barely idles, struggling to fire on four, given a minute or two its raises and from then on runs fine, never giving an ounce of trouble all day, starting fine as many times as I try. Biminis, RV & Trailer Not rated yet I have a 2002 115 Yamaha outboard motor, when the engine is cold it is hard to start, there are 2 half inch holes in the choke butterfly, if you cover … Yamaha f70 tilt and trim issues Not rated yet I have an Express H18DB with a Yamaha f70 outboard. Peter: posted 07-28-2003 03:07 PM ET (US) Try putting in some new spark plugs and see if that makes any difference. They have an accelerator pump at the bottom of the carb that sprays a little gas into the throat when the throttle is advanced, to help it come up to speed before there is enough air flow to draw gas at higher rpms. Other times not at all without up to 20 pulls. & Circuit Start cold runs bit rough at idle when increased power it levels out ok after stopping for maybe 10 plus minutes restart at idle same running bit rough … Yamaha 115 2004 Not rated yet Cylinder number 3 and 4 are cutting out between 1200 and 2400 rpm yamaha 2014 200 hp V6 Not rated yet Rafts, Paddle Starting a new 70 hp, at least mine, from a cold start doesn't require any lifting of the neutral throttle lever on the remote control. My 40hp yamaha outboard is difficult to start initially, then starts quickly thereafter. I have owned several Johnson / Evinrude outboard motors, a couple of Mercury’s, and at the time of this post one Yamaha four stroke. Grills, Boat Drink double check the unloader linkage. Towers, Tow Ropes & Deals, Camping & RV EMU25770 Start-in-gear protection Yamaha outboard motors or Yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). It was always a little hard to start but now it takes about 15 min. ... suzuki 2 stroke 40 hp outboard hard starting. For any gas-powered motor to run correctly, three things are needed: Fuel; Air; Spark that ignites the air/fuel mixture; If one of these elements isn’t supplied, the engine isn’t going to start. Storage Starting an older motor More modern engines with sophisticated fuel injection systems or automatic chokes tend to start easily. Distribution, ProMariner ProNautic High Back Reclining Helm Seat, Cabin and It may not display this or other websites correctly. For example, don't raise the fast idle lever and see what happens. Caulking, Marine Engine By shamal in forum Suzuki Outboard Forum ... By Nydchu in forum Yamaha Outboard Forum Replies: 0 Last Post: 06-13-2010, 08:18 AM. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Page 5 Table of contents Manual start and electric start motor ... see page 63. Is anyone else having a hard time staring new 4 stroke Yamaha T60 (Same as a F60 the T 60 is just the high thrust version.)? Then, there is the in-gear-no-start mechanism. Once I ride it and the motor is warm its almost impossible to start again, choke in or out. This can make it either difficult or impossible to start, depending on the severity of the situation. Check the oil level on four-stroke motors. If you hear a clicking sound when the starter motor attempts to engage the flywheel, inspect the starter solenoid. for Sale, Buy A You can monitor this 12 signal when the motor is cold and ignition to start position. “Great engine, VERY hard to start” Written on: 07/05/2018 by Hagan12 (1 review written) Bought my 6HP Tohatsu from Defender to replace a 10 year old one that had a blown lower unit. I sometimes go weeks without starting it. Starting hot with no choke usually OK though. Accessories, Big Jon When the engine is cold, have someone hold the choke closed and see if it kicks over quicker. JavaScript is disabled. I never see any fuel leaking out no matter how many times I squeeze the ball. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Im not sure if the fuel gets through first time but I squeeze the ball really hard. i just recently completeley rebuilt the motor, but it sat for about a year with a scattered motor. All, Anchor & Bilge Pumps, Shop Like my old Johnson was fuel bulb till hard, pump the throttle to WOT 3 times, Turn key for 7 seconds, tap choke twice while engine is turning, stop turning key key, pump the throttle again, Turn key with no choke and hold until start (normally was 3-5 seconds), my older carbed engines had almost a ritual required before they would start. Covers, Boat Wiring & Accessories, Marine DC Power Plugs Sometimes it will start from cold with no choke (ambient temp about 18 C). How to Start a Mercury Outboard Motor by Steve Smith . Charts & Jacks, Boat Trailer Brakes & Parts, Boat Tubing & In the past, you had to learn how to start an outboard motor. No worries. Deals, Dealer Hard Starting Outboard Motor? I had the same problem. Never an issue with these motors to date other than last year the Starboard motor started to show signs of hard to start and keep running when cold. I have a 115 yamaha 4 stroke which starts only sporadically. Seats, Pontoon Boat Seats & 2 Stroke Outboard Motor Won't Start. Oars, Wakeboard, Wakesurf & If it does then you have isolated the problem to choke activation mechanism. I have a Yamaha 50 hp Four Stroke O/B ... year of manufacture 1996, its a carburettor model, 4 cylinder.
Problem is when cold, its very difficult to start, taking many attempts, as of yet it has always started, but with difficulty. Carbureted two-strokes can be fussy, especially when cold. Your Yamaha outboard has a system of fuel filters on the engine, as well. What can I try? & Live Bait Once it warms up it seems to run fine. Then it starts fine rest of the day. Answered in 3 hours by: 4/24/2010. Deals, Paint & Maintenance Hardware, Marine For a better experience, please enable JavaScript in your browser before proceeding. Engine not primed -- pump primer system 8. If the 12 volt signal is there, then the solenoid/pump is bad. For the second time in the past few weeks I helped someone start their Yammie 2 stroke outboard after almost flattening the battery this morning. & Sonar, Trolling Lights, Boat Trailer The cold starting circuit sucks gas from this "well" and pumps it into the throat of the carb to enrich the mixture at start up. My Yamaha 20 hp outboard is always hard to start first time I use it for the day but after she starts she runs fine and starts every time the rest of the day. Forums, Find It’s important to know the location of these filters and to clean or replace them at the recommended intervals. If you have a four-stroke outboard, check the owner's manual for advice on proper oil viscosity for cold-weather operation. Like my old Johnson was fuel bulb till hard, pump the throttle to WOT 3 times, Turn key for 7 seconds, tap choke twice while engine is turning, stop turning key key, pump the throttle again, Turn key with no choke and hold until start (normally was 3-5 seconds), Copyright © 2000 - 2021, Outdoor Network LLC.
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I'm supposing there is a problem with the cold start enrichment system and or Idle up system ... anyone shine any light on this problem? Category, View After it finally gets started it will start right up after that all day. to work properly, but this engine is just too, too sensitive to minor fuel/air variations when cold. All, Boat Bimini 1; 2 ... Something must be amiss. The new 70 hp Yamaha has what they call "Prime Start" or something like that. This isn't a hot 4 stroke we're are talking about here, 2 stroke engines are very easy to start hot or cold, and hard starting is a sign that something is not right in your engine. My Yamaha 9.9s typically need the throttle to be goosed a few times for a cold start. When it does start , it runs great. Lower the throttle as the engine starts. And how to start a 2-stroke outboard motor is as important as ever. One problem one of our early Lehr motors had was hard starting, this turned out to be an overly rich mixture. low fuel pump pressure or a flooded carburetor can cause it not to start up. A little throttle. Outboards, Shop Dock, Cabin and Hardware, Boat Seat Make sure there is fuel in the tank and the fuel tank vent is … The "well" gets its gas from the main float bowl by the small (and I mean small) passage at the bottom of the bowl. Professionals. Maintenance, Fiberglass & Epoxy The rest of the day, no more issues. Have just purchased a Quintrex explorer 390, Yamaha 30CV outboard package, Have run 2 tanks of 25:1 pre mix fuel through it with very little smoke and are now starting to run it on 100:1. Tables, Minn Kota However, they don't always fire right up when you try to start them. I'm a very experienced sailor and have torn down and rebuilt outboards, I/O's and inboards and know how to get a carb. Covers, Boat Cover Provides Boat, Outboard for Research, Tagging in North Florida. the system is designed to be a turn key only deal
DO NOT use any throttle advance when cold starting.the choke solinoid only works when the engine is cranking
a tap from the lighting coil … (now at 10 hours total) Floods easily and always takes at least 5 pulls, sometimes 20 pulls to start from cold. You may need to lean out the idle mixture a bit if the engine bogs at idle speeds. (now at 10 hours total) Floods easily and always takes at least 5 pulls, sometimes 20 pulls to start from cold. This can make it either difficult or impossible to start, depending on the severity of the situation. Starters, Marine Solar Power Marine Battery Chargers, Shop I have purchased a 1987 yamaha 70 hp that sat for several years. This article will cover both outboards that do not turn over or start and outboards that turn over but won’t start up. They are dependable, powerful and relatively quiet. As stated it takes a lot of cranking to start it. Smoke http://www.boats.net/parts/search/Ya...TOR/parts.html, If this is your first visit, be sure to Tops, Bimini Top To start and run, a Yamaha outboard needs a properly timed ignition and correct air/fuel ratio. it wont start cold. Transom when I prime the bulb I can see fuel being sucked into the fuel filter, and then I can hear the fuel filling up the carb. Handles, Life Jackets & Bilge Pump, Tires, Rims, & Hub Communication, Auto Pilot Get a small wire (remember, always use a small wire to pass through all passages at time of cleaning or you are wasting your time. Furniture, Boat Seat Pedestals & Yamaha outboard always difficult first start? Supplies, Boston Whaler, 1972-1993, If it still won’t crank, check the neutral switch. Would start off at approx. Terminals, Marine Fuse Blocks & Stay calm, take a deep breath, and try these troubleshooting tips for when your outboard won’t start. Bullet Skimmer, Paint and Shelters, Boat Ask Your Own Boat Question. - 2004-2009 Yamaha Vino 125 watch the choke plates with the air box off. If it tries to start or starts, release the choke. If that happens, particularly if it was a cold start, you can now start it using your typical “cold start” procedure with choking it, etc. Timing and synchronizing out of adjustment 10. To get it to crank, i set it with fast throttle all the way up and choke all way closed, it smokes quite a bit and sounds like it is running on two cylinders when it finally hits, then gradually over a minute or two smooths out and will idle perfectly. Detectors, Binoculars & Covers, Boat Seat Pull out the choke knob fully. Perhaps it’s an outboard in need of a rebuild. Page 55 Operation Starting procedure (cold engine) Place the gear shift lever in neutral. I have cleaned carbs, put in new plugs, installed new fuel pump, cleaned fuel filter, and replaced water pump. And if you ever can't get one start, check out our 25 reasons why your boat engine won't start. when in cold weather when on the river. Category: Boat. In the past, you had to learn how to start an outboard motor. & Dock, Anchor Chains & Helm Seats, Shop check out the. make sure all 3 close correctly. Topic: 70HP Yamaha cold start problem: bloller: posted 07-28-2003 12:11 PM ET (US) What could be causing my new engine to idle rough and stall out when first starting it? I leave it for a while, go back and it will start. prime start is just similar to the choke on many other motors. Sometimes, after flooding, it will start and then die. Deals, Electronics When an outboard boat motor "floods," it has too much fuel in the cylinder. I understand shutting off the choke right after the motor lights works just fine, but I can't seem to get my hand down to the carb fast enough. Motors, Fishing Downriggers & Wells, Toilet & Waste & hello
yep your on the right track. Have tries all sorts of routines but there is no standard method that works. Carburetor adjustments too lean (not allowing enough fuel to start engine) 9. If it doesn’t start with a half dozen pulls, wait 10 minutes and try again. Covers, Boat Shrink Wrap ACCOUNT, Find AN For the sake of comparison, if your motor's normal idle speed is, say 750 RPM, I would guess a good cold starting speed of 1500 RPM would work, backing off to less, as soon as it starts. Varnish, Marine Adhesives, Honda 5hp Outboard, Boat Boats, Propeller Parts & Instruments, VHF Radios & It takes about 3 to 5 minutes of attempts before it starts. Re: Yamaha 90: Hard to start pushing the key in on cold start actuates the prime start enrichening device on the middle carb, allowing for much easier starts when motor is cold. This 2017 6hp motor came from the factory almost impossible to start. I found that the ground on the wire harness under the seat was not grounded! I immediately put both motors full down, they will drain quite quickly, I then start the motor and put in gear just for about 2 seconds, just to spin any water out of the pump, then shut it off. You are using an out of date browser. Boarding, Paddles & at this point, when the motor actually did run, it would start and could idle for 5 minutes just on the fuel in the carb. Switches, Shore Power & AC All times are GMT-5. I try to start it and just turns over and over. Starting at the engine. Software, Digital Tops, Other We did a great run 80+ km up the Murray river to run it in had no problem with starting, idling or after a short while running it at full plain. I am surprised that no one has joined in as of yet. Mercury outboards are one of the most popular outboards on the water. The first thing we want to do is a visual inspection of the entire fuel line. OUTBOARD STARTS BUT DIES WHEN YOU PUT IT INTO GEAR Although many issues can cause a no-start, several of the most common problems are easy fixes. After a few restarts, it would finally keep running. Posted on Jul 15, 2009. Axles, Boat Trailer Tie Re: 9.9 4 stroke hard cold start I don't work on yamahas, but by looking at the parts breakdown for your engine I don't any external operation of what I would call a cold start valve. Holders, Cabin Accessories & Screws, Boat Handles, Pulls, Just had it tuned up and still have a difficult time starting when in the water. the mixture is set by turning a tapered needle in, or out , on the slide of the carburetor . Maintenance, Pumps and Insurance, Boat SOURCE: cold starting problems 1981 yamaha maxim 400. Starting at the engine. Its hard to find good data supporting what an appropriate measurement of cylinder compression should be in older outboard boat motors. I have an 1974 85HP Johnson that is very difficult to start. Vinyl, Floating Boat In cold weather, you may need to hit the choke to prevent stalling. Hardware, Boat Cabin It is an automatic enrichment system. When hot there isn't a problem starting.
There appears to be no fast Idle when it eventually catches, in fact it barely idles, struggling to fire on four, given a minute or two its raises and from then on runs fine, never giving an ounce of trouble all day, starting fine as many times as I try. Biminis, RV & Trailer Not rated yet I have a 2002 115 Yamaha outboard motor, when the engine is cold it is hard to start, there are 2 half inch holes in the choke butterfly, if you cover … Yamaha f70 tilt and trim issues Not rated yet I have an Express H18DB with a Yamaha f70 outboard. Peter: posted 07-28-2003 03:07 PM ET (US) Try putting in some new spark plugs and see if that makes any difference. They have an accelerator pump at the bottom of the carb that sprays a little gas into the throat when the throttle is advanced, to help it come up to speed before there is enough air flow to draw gas at higher rpms. Other times not at all without up to 20 pulls. & Circuit Start cold runs bit rough at idle when increased power it levels out ok after stopping for maybe 10 plus minutes restart at idle same running bit rough … Yamaha 115 2004 Not rated yet Cylinder number 3 and 4 are cutting out between 1200 and 2400 rpm yamaha 2014 200 hp V6 Not rated yet Rafts, Paddle Starting a new 70 hp, at least mine, from a cold start doesn't require any lifting of the neutral throttle lever on the remote control. My 40hp yamaha outboard is difficult to start initially, then starts quickly thereafter. I have owned several Johnson / Evinrude outboard motors, a couple of Mercury’s, and at the time of this post one Yamaha four stroke. Grills, Boat Drink double check the unloader linkage. Towers, Tow Ropes & Deals, Camping & RV EMU25770 Start-in-gear protection Yamaha outboard motors or Yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). It was always a little hard to start but now it takes about 15 min. ... suzuki 2 stroke 40 hp outboard hard starting. For any gas-powered motor to run correctly, three things are needed: Fuel; Air; Spark that ignites the air/fuel mixture; If one of these elements isn’t supplied, the engine isn’t going to start. Storage Starting an older motor More modern engines with sophisticated fuel injection systems or automatic chokes tend to start easily. Distribution, ProMariner ProNautic High Back Reclining Helm Seat, Cabin and It may not display this or other websites correctly. For example, don't raise the fast idle lever and see what happens. Caulking, Marine Engine By shamal in forum Suzuki Outboard Forum ... By Nydchu in forum Yamaha Outboard Forum Replies: 0 Last Post: 06-13-2010, 08:18 AM. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Page 5 Table of contents Manual start and electric start motor ... see page 63. Is anyone else having a hard time staring new 4 stroke Yamaha T60 (Same as a F60 the T 60 is just the high thrust version.)? Then, there is the in-gear-no-start mechanism. Once I ride it and the motor is warm its almost impossible to start again, choke in or out. This can make it either difficult or impossible to start, depending on the severity of the situation. Check the oil level on four-stroke motors. If you hear a clicking sound when the starter motor attempts to engage the flywheel, inspect the starter solenoid. for Sale, Buy A You can monitor this 12 signal when the motor is cold and ignition to start position. “Great engine, VERY hard to start” Written on: 07/05/2018 by Hagan12 (1 review written) Bought my 6HP Tohatsu from Defender to replace a 10 year old one that had a blown lower unit. I sometimes go weeks without starting it. Starting hot with no choke usually OK though. Accessories, Big Jon When the engine is cold, have someone hold the choke closed and see if it kicks over quicker. JavaScript is disabled. I never see any fuel leaking out no matter how many times I squeeze the ball. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Im not sure if the fuel gets through first time but I squeeze the ball really hard. i just recently completeley rebuilt the motor, but it sat for about a year with a scattered motor. All, Anchor & Bilge Pumps, Shop Like my old Johnson was fuel bulb till hard, pump the throttle to WOT 3 times, Turn key for 7 seconds, tap choke twice while engine is turning, stop turning key key, pump the throttle again, Turn key with no choke and hold until start (normally was 3-5 seconds), my older carbed engines had almost a ritual required before they would start. Covers, Boat Wiring & Accessories, Marine DC Power Plugs Sometimes it will start from cold with no choke (ambient temp about 18 C). How to Start a Mercury Outboard Motor by Steve Smith . Charts & Jacks, Boat Trailer Brakes & Parts, Boat Tubing & In the past, you had to learn how to start an outboard motor. No worries. Deals, Dealer Hard Starting Outboard Motor? I had the same problem. Never an issue with these motors to date other than last year the Starboard motor started to show signs of hard to start and keep running when cold. I have a 115 yamaha 4 stroke which starts only sporadically. Seats, Pontoon Boat Seats & 2 Stroke Outboard Motor Won't Start. Oars, Wakeboard, Wakesurf & If it does then you have isolated the problem to choke activation mechanism. I have a Yamaha 50 hp Four Stroke O/B ... year of manufacture 1996, its a carburettor model, 4 cylinder.
Problem is when cold, its very difficult to start, taking many attempts, as of yet it has always started, but with difficulty. Carbureted two-strokes can be fussy, especially when cold. Your Yamaha outboard has a system of fuel filters on the engine, as well. What can I try? & Live Bait Once it warms up it seems to run fine. Then it starts fine rest of the day. Answered in 3 hours by: 4/24/2010. Deals, Paint & Maintenance Hardware, Marine For a better experience, please enable JavaScript in your browser before proceeding. Engine not primed -- pump primer system 8. If the 12 volt signal is there, then the solenoid/pump is bad. For the second time in the past few weeks I helped someone start their Yammie 2 stroke outboard after almost flattening the battery this morning. & Sonar, Trolling Lights, Boat Trailer The cold starting circuit sucks gas from this "well" and pumps it into the throat of the carb to enrich the mixture at start up. My Yamaha 20 hp outboard is always hard to start first time I use it for the day but after she starts she runs fine and starts every time the rest of the day. Forums, Find It’s important to know the location of these filters and to clean or replace them at the recommended intervals. If you have a four-stroke outboard, check the owner's manual for advice on proper oil viscosity for cold-weather operation. Like my old Johnson was fuel bulb till hard, pump the throttle to WOT 3 times, Turn key for 7 seconds, tap choke twice while engine is turning, stop turning key key, pump the throttle again, Turn key with no choke and hold until start (normally was 3-5 seconds), Copyright © 2000 - 2021, Outdoor Network LLC.
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