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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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03-07-2010, 02:59 PM | #1 |
Not Yet Wild
Join Date: Feb 2010
Location: Florida
Posts: 23
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Added air inlet, now it backfires.
So I added a fresh air inlet like on a workhorse using some 1 1/2 plumbing parts to the passenger side foot area. Now when coming off full throttle it will backfire with a loud pop and I believe some smoke. Any thoughts???
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03-07-2010, 06:03 PM | #2 |
EZ-GO-N
Join Date: Dec 2007
Location: Geneseo, IL
Posts: 505
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Re: Added air inlet, now it backfires.
Ya you are running it to lean now, not enough back pressure ratio, tryin adjusting the carb.
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03-07-2010, 06:05 PM | #3 |
ZONE FREE ZONE
Join Date: Nov 2009
Location: lauderdale by the sea
Posts: 571
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Re: Added air inlet, now it backfires.
remember running it lean will eventually melt the engine down!
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03-07-2010, 07:30 PM | #4 |
Gone Wild
Join Date: Feb 2008
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 3,666
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Re: Added air inlet, now it backfires.
Also check that your throttle plate is closing all the way when your off the peddle.
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03-07-2010, 08:31 PM | #5 |
Not Yet Wild
Join Date: Feb 2010
Location: Florida
Posts: 23
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Re: Added air inlet, now it backfires.
Ok, I will adjust the carb, but from what I have read on here the adjustment doesn't do much. I will also check the throttle plate. Thanks.
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03-08-2010, 07:22 PM | #6 |
Not Yet Wild
Join Date: Feb 2010
Location: Florida
Posts: 23
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Re: Added air inlet, now it backfires.
Well I found the carb screw was about 1 & 1/8 turn out. I ended up with just a smidge more turned out which should make it richer. I couldn't go more as it would bog. I then turned the plate screw out another 1/2 turn as I couldn't see well enough down the carb throat even with a mirror. So between the two the backfire is gone. the throttle is not super crisp but pretty good, better to be a little rich right?
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03-08-2010, 07:30 PM | #7 |
Gone Wild
Join Date: Mar 2008
Location: Rockwall, Texas (Dallas / Ft. Worth)
Posts: 7,077
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Re: Added air inlet, now it backfires.
I say put the stock breather setup back on...
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03-08-2010, 07:37 PM | #8 |
Not Yet Wild
Join Date: Feb 2010
Location: Florida
Posts: 23
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Re: Added air inlet, now it backfires.
Where I will be riding is very dusty.
I just checked the plugs and they look good. |
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