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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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04-07-2014, 06:04 PM
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#1 |
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Gone Wild
Join Date: Mar 2014
Location: Bountiful, Utah
Posts: 884
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couple more questions, and pics
Ok, I got my exhaust modded and made a few runs today. Just wanted a few opinions on the spark plug, it looks ok to me but I'm a diesel guy so??? I also finally got a pic of my cart.
Also it runs great but when I first hit the throttle it backfires once or twice then takes off, |
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04-07-2014, 07:30 PM
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#2 |
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Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: couple more questions, and pics
Plug looks good. Backfiring can often be caused by bad airbox seal, check the rubber seal where the top of the airbox meets the bottom part, and all the rubber "hooks" on the outside need to be present.
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04-07-2014, 07:40 PM
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#3 |
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Gone Wild
Join Date: Mar 2014
Location: Bountiful, Utah
Posts: 884
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Re: couple more questions, and pics
No airbox, just a K&N filter on carb, (sorry I should have gave that little titbit earlier)
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04-07-2014, 08:03 PM
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#4 |
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Gone Wild
Join Date: Mar 2014
Location: Bountiful, Utah
Posts: 884
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Re: couple more questions, and pics
Ok, just forget I was even talking, I found the problem, The carb wasn't closing all the way causing it to pop.
Last edited by jeff70; 04-07-2014 at 08:17 PM.. Reason: Being stupid |
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04-08-2014, 12:48 AM
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#5 |
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Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: couple more questions, and pics
Yep, number one cause of backfiring i have seen....incorrect carb and cable adjustments. They even come from the factory that way to this day. Guess i assumed it was already adjusted. That is a exhaust backfire, not a intake backfire. BIG bang from exhaust pipe, not pop in intake.
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04-08-2014, 05:09 PM
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#6 |
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Gone Wild
Join Date: Mar 2014
Location: Bountiful, Utah
Posts: 884
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Re: couple more questions, and pics
Yea I talked to the guy I bought it from and it had done that since the day he got it. He just never bothered to look into it. It drives me nuts if something doesn't run right.
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