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Author Topic:   Yamaha problem
cohasset posted 04-03-2002 07:26 AM ET (US)   Profile for cohasset   Send Email to cohasset  
I was on the lake yesterday with my '76 cohasset and my '91 Yamaha just sputtered out and quit. She tried to start a time or two after that but sounded like she wasn't getting fuel. I checked the fuel filter but it was clean. Any common problem(s) I should check on before I take it to the shop? I'm pretty handy but new to boat motors.
John from Madison CT posted 04-03-2002 08:11 AM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     
Cohasset,

Your problem must be a belated April Fools joke because Yamaha's never ever have problems......at least that's what I keep telling myself.<G>

You might want to check a couple of things..but I'm no expert:

1. Is the primer bulb hard?
2. Check the connection where the fuel line meets the motor.
3. Are you getting spark? Faulty kill switch?
4. Is the gas bad? Old?

Hope that's some input. Either way, keep us abreast of the problem. Personally I like to hear the fixes to problems so I can learn.

Good Luck,

John

cohasset posted 04-03-2002 08:26 AM ET (US)     Profile for cohasset  Send Email to cohasset     
With a fuel problem being my first thought, I pumped the primer bulb and it never gets hard. I can hear air when I pump it. This is a problem, right?
John from Madison CT posted 04-03-2002 09:17 AM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     
Jim had a post about Primer bulb orientation. Try having the bulb face straight up, with the directional arrow pointing toward the sky.

See if it gets hard then.

John

cohasset posted 04-03-2002 09:47 AM ET (US)     Profile for cohasset  Send Email to cohasset     

Tried pointing the bulb up. It still doesn't get hard.
I disconnected the line from the engine and then I can't pump the bulb (it's hard).
When connected, I pump the bulb and can hear air leaking from somewhere in the engine. Is this possibly a fuel pump leak?
caddis posted 04-03-2002 12:16 PM ET (US)     Profile for caddis  Send Email to caddis     
I had the same problem on my engine (235 Johnson). The solution was to replace the interior fuel line. It had a pin hole at the connector, so priming did nothing. Not sure about how that works in the Yamaha, but might be worth a look.
David Ratusnik posted 04-03-2002 01:37 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
It may not be one of those perfect Yamahas at all. I was flushing my Johnson 225 about a year ago when it abruptly sputtered and stopped. Turned out to be the ignition switch behind the key on the console. $50 fix. Rec you check it. David
cohasset posted 04-03-2002 03:37 PM ET (US)     Profile for cohasset  Send Email to cohasset     

And the winner is....

The intake tube in the gas tank had fallen off in the tank!

thanks for all the suggestions

David Ratusnik posted 04-03-2002 03:54 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
Darn it. D
John from Madison CT posted 04-03-2002 04:10 PM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     
Ha !! I just knew it couldn't be a problem with the Yammie.

<G>

John

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