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Old 06-04-2008, 06:14 PM   #1
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Default 1987 Yamaha gas cart backfiring problem

I have an 1987 Yamaha gas cart which backfires when you first acelerate on the gas. I checked the throttle and it fully closed when the engine is stopped.
The spark plug is slightly carboned. Any hints what I should check next?
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Old 06-04-2008, 06:37 PM   #2
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Default Re: 1987 Yamaha gas cart backfiring problem

I think an '87 is a G2 model witch is a 4 stroke engine. Check your air filter and make sure your air box is sealed tight.

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Old 06-04-2008, 07:14 PM   #3
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Default Re: 1987 Yamaha gas cart backfiring problem

that was happening with me one time, I think I remember using (Sounds weird) octane boost and it has never happened since, even after i stopped using the octane boost. anyone know if this was the right thing to do?
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Old 06-05-2008, 03:01 PM   #4
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Default Re: 1987 Yamaha gas cart backfiring problem

My filter is clean and the air box is tight. I tried an throttle cable adjustment as recommend on another thread that I read. My golf cart works fine now, no hesitation or backfiring. Thanks for your relpy.
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Old 06-05-2008, 03:13 PM   #5
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Default Re: 1987 Yamaha gas cart backfiring problem

Great to hear!!

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Old 08-02-2008, 10:51 PM   #6
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Default Re: 1987 Yamaha gas cart backfiring problem

I found that just because it LOOKS close...it aint.LOL
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