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Started By
Message
just bought a used boat
Posted on 4/19/15 at 8:25 pm
Posted on 4/19/15 at 8:25 pm
took the kids out today and had a blast.
i need some help diagnosing a problem:
runs great when moving, but it will not idle. It will start up no problem, but may take multiple tries playing around with the choke to get it to idle long enough to get into gear and go.
2005 Yamaha 115 Outboard 2stroke.
i need some help diagnosing a problem:
runs great when moving, but it will not idle. It will start up no problem, but may take multiple tries playing around with the choke to get it to idle long enough to get into gear and go.
2005 Yamaha 115 Outboard 2stroke.
Posted on 4/19/15 at 8:26 pm to mandevilletiger34
is the primer bulb collapsed?
Posted on 4/19/15 at 8:30 pm to MoreOrLes
i would not say collapsed, but not extra firm. I can squeeze it pretty easy
Posted on 4/19/15 at 8:36 pm to HeadBusta4LSU
does not say vmax anywhere on it?
just v4 115 across the back
just v4 115 across the back
Posted on 4/19/15 at 8:38 pm to mandevilletiger34
New plugs, maybe see if the fuel line or bulb needs to be replaced, have it serviced or learn the service requirements and do it yourself, clean the carbs. If it still won't idle, have it looked at by a professional.
Posted on 4/19/15 at 8:44 pm to mandevilletiger34
Chances are the boat has been sitting up, that's why the guy got rid of it. Have it serviced as far as filters go. Run some ring free and sea foam through it
Posted on 4/19/15 at 10:30 pm to HeadBusta4LSU
Is the bulb sitting in a upright position?
Posted on 4/19/15 at 10:34 pm to mandevilletiger34
Sending my condolences!! Will be praying for you and your family.
Best days of a boat owners life.... The day he buys a boat, and the day he sales it.
Best days of a boat owners life.... The day he buys a boat, and the day he sales it.
Posted on 4/19/15 at 10:42 pm to mandevilletiger34
Had one. That motor is picky as hell. No real advice other than make sure it's not mixing too rich.
Posted on 4/20/15 at 6:45 am to mandevilletiger34
Plugs would be my guess
Posted on 4/20/15 at 7:16 am to TBoy
Any mechanic suggestions in the Mandeville area?
Posted on 4/20/15 at 7:24 am to mandevilletiger34
quote:
Any demolition suggestions in the Mandeville area?
I'd start with 4LSU2.
Posted on 4/20/15 at 8:43 am to Purple Spoon
How do you go about checking this?
I'm somewhat mechanically inclined... I figured I would start with fuel filter and maybe spark plugs
How hard is it to clean carbs?
I'm somewhat mechanically inclined... I figured I would start with fuel filter and maybe spark plugs
How hard is it to clean carbs?
Posted on 4/20/15 at 9:32 am to mandevilletiger34
If it's running good at WOT, then I wouldn't do a carb clean first. But those carbs need to to be synchronized on occasion. Take the breather off the carbs, loosen the idle set screw till it's not touching. Check to see that the butterflies are both completely closed. If they're not, two of the cylinders will lean out causing it to "sneeze" and die. Loosen the screws
On the linkage to allow the butterflies to close. Relighted and set idle to about 600 rpm.
On the linkage to allow the butterflies to close. Relighted and set idle to about 600 rpm.
Posted on 4/20/15 at 9:40 am to mandevilletiger34
You may not be able to do this because it does not idle, but it's worth a shot to tell you.
Google "Shock Treatment with Yamalube Ring Free"
Basically you'll need to know exactly how much gas is in your built in tank and mix accordingly, or do what I did and use a two gallon external can.
My procedure for oil injected 2 stroke engines:
• You’ll use 2 oz of Ring Free per gallon of gas. Some will tell you to use seafoam, etc, but to me Ring Free cleans better (30% is proprietary ingredients)
• To use a remote tank you’ll need to also buy a secondary primer bulb and hose.
• Take the engine cover off and follow your incoming fuel line and find the hose splice before the fuel filter. Tap into the fuel line there with the new hose and primer bulb, should be exact matches in size.
• Mix 2 gallons of gas with 4 oz of ring free and place the tapped in fuel line into the satellite tank and prime the “new” fuel bulb/hose to the engine.
• Start the engine on the garden hose in your yard and let it burn ½ to 1 gallon of the Ring Free mixture.
• Shut off the engine and let it sit for a few hours.
• Run it again and burn another ½ to 1 gallon of the mixture again.
• Let it site for a few hours.
• Disconnect the tapped in hose, reconnect to your original fuel line, prime it back again and run for 15 minutes or until you are sure you you’ve run all the ring free mixture out.
You will have to put oil in Ring Free mixture if your 2 stroke is not oil injected!
This should clean your entire engine fuel system and can be done when you are sure there is not another fuel issue upstream of your outboard. I.E. water in your fuel tank, etc…
Then change your plugs and fuel filter.
Google "Shock Treatment with Yamalube Ring Free"
Basically you'll need to know exactly how much gas is in your built in tank and mix accordingly, or do what I did and use a two gallon external can.
My procedure for oil injected 2 stroke engines:
• You’ll use 2 oz of Ring Free per gallon of gas. Some will tell you to use seafoam, etc, but to me Ring Free cleans better (30% is proprietary ingredients)
• To use a remote tank you’ll need to also buy a secondary primer bulb and hose.
• Take the engine cover off and follow your incoming fuel line and find the hose splice before the fuel filter. Tap into the fuel line there with the new hose and primer bulb, should be exact matches in size.
• Mix 2 gallons of gas with 4 oz of ring free and place the tapped in fuel line into the satellite tank and prime the “new” fuel bulb/hose to the engine.
• Start the engine on the garden hose in your yard and let it burn ½ to 1 gallon of the Ring Free mixture.
• Shut off the engine and let it sit for a few hours.
• Run it again and burn another ½ to 1 gallon of the mixture again.
• Let it site for a few hours.
• Disconnect the tapped in hose, reconnect to your original fuel line, prime it back again and run for 15 minutes or until you are sure you you’ve run all the ring free mixture out.
You will have to put oil in Ring Free mixture if your 2 stroke is not oil injected!
This should clean your entire engine fuel system and can be done when you are sure there is not another fuel issue upstream of your outboard. I.E. water in your fuel tank, etc…
Then change your plugs and fuel filter.
Posted on 4/20/15 at 11:41 am to Fifthstring
quote:
Fifthstring
Dropping some practical how-to in here!
Follow his advice
Posted on 4/20/15 at 11:58 am to Fifthstring
This is great advice
Also after the shock treatment run ring free as an additive every fill up
Also after the shock treatment run ring free as an additive every fill up
Posted on 4/20/15 at 12:21 pm to mandevilletiger34
My bet would be something with the carb.
Here's my 2 cents. Unless you're going to be running it daily, you should really put ethanol-free gas in it with sta-bil. The only place i know to get true ethanol-free is at the new racetrac in chalmette. A lot of the indian-owned gas stations claim to have ethanol-free, but it's complete BS.
Good luck!
Here's my 2 cents. Unless you're going to be running it daily, you should really put ethanol-free gas in it with sta-bil. The only place i know to get true ethanol-free is at the new racetrac in chalmette. A lot of the indian-owned gas stations claim to have ethanol-free, but it's complete BS.
Good luck!
Posted on 4/20/15 at 12:42 pm to HeadBusta4LSU
Also - if anyone reading this does the same treatment on a 4 stroke, be sure to change your oil and filter right after. All the "junk" it cleans out can end up in the oil, potentially causing other issues.
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