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Boating Talk For discussion of everything related to boats and motors |
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#1
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Boat won't crank! G3 Talon, 90hp yamaha 2 stroke
He says battery is charged and when he turns key, it's firing but not cranking all the way up, almost like it's not getting enough fuel. Battery is 100%, put new spark plug in, and has gas. I think the fuel is bad (6 months+ and never uses additives) or he has water/crud in it. Possibly kink in fuel line, but I believe it's got something to do with the fuel or fuel delivery system. Can anyone shed some light on this? Thank very much. |
#2
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Quote:
Last edited by Baychamp1; 03-31-2016 at 10:24 AM. |
#3
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It's turning over, (as in it sounds like its trying to crank up) but won't fire up all the way.
I'll have him try the battery scrape. Says when he squeezes bulb, it pressures up. Not sure about the in line water separator, but will check. I agree, need to drain that old fuel. (sorry for bad explanations, i'm going off what he says on phone). Many thanks. |
#4
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Old gas is never good, especially without additives. Drain tank and refill with fresh, non ethanol gas and add fuel injector cleaner.
make sure your electrical connections are clean, try again. Motor cant run good on bad gas. Over time the octane of gas drops, more so in fuel with ethanol. |
#5
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Take it to a Yamaha mechanic if it's fuel injected. If not rebuild the carbs first, then replace fuel pump and fuel line the ethanol has most likely rotted the rubber and gaskets.
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#6
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Thanks very much guys. Really appreciate the good folks on these forums.
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#7
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Turn key on and listen to see if fuel pump running
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#8
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Check the kill switch
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#9
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Ive NEVER done that before ...
More than once ! Good one to check ... I have that same motor and have had the safety tab almost all the way out from behind the plunger not letting it start from accidently jerking on lanyard. |
#10
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Clean your fuel system, Clean carbs
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