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post #1 of 3 Old 10-15-2020, 09:10 PM Thread Starter
 
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Hello everyone I am new to this forum I'd like to introduce myself from Michigan Lansing area I just bought a 1991 G9 I believe. But I'm hoping to find out exactly what it is on here.
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post #2 of 3 Old 10-15-2020, 09:15 PM Thread Starter
 
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Yamaha J38

Hi I have either a G8 or G9 not for sure yet but I am for sure that I have a j38 motor because it's stamped on it. I rebuilt the motor new piston head new rings new gaskets etc etc when I put the motor in it fired up sounded good had some minor things to do to it the next day I go back it starts up briefly moves ever so slowly in reverse sounds like it's dying now it won't start it just turns over turns over turns over spark plugs got spark so I'm pretty sure the coil is good the only thing I'm left with is maybe the carburetor because we did accidentally run two cycle gas through it plus the carburetor was never rebuilt or anything so I'm thinking maybe it's a bad carburetor??? Help!
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post #3 of 3 Old 10-16-2020, 11:30 AM
 
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Quote:
Originally Posted by Bruno546 View Post
Hi I have either a G8 or G9 not for sure yet but I am for sure that I have a j38 motor because it's stamped on it. I rebuilt the motor new piston head new rings new gaskets etc etc when I put the motor in it fired up sounded good had some minor things to do to it the next day I go back it starts up briefly moves ever so slowly in reverse sounds like it's dying now it won't start it just turns over turns over turns over spark plugs got spark so I'm pretty sure the coil is good the only thing I'm left with is maybe the carburetor because we did accidentally run two cycle gas through it plus the carburetor was never rebuilt or anything so I'm thinking maybe it's a bad carburetor??? Help!
clean the carb and it's tiny jets.

https://www.golfcarcatalog.com/golf-...museum-yamaha/
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