[back firing] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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back firing
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Posted by: ebo 4356

I asked the question about the back firing and i wanted to know if it hurts the quad if its not jetted properly.......

-2003 Trx250Ex-
-Yoshimura full system
-Jet Kit
-Outerwear cover
-Uni air filter
-Works Shocks
-Fly racing Handlebars
-RAZR II rear tires
-DG V-pro front bumper
-DG alloy series rear bumper

__________________
Ethan Ostapowicz

Posted by: Blue250X

it will hurt it if it is jetted too lean. the previous owner of mine didnt jet it for the pipe and filter and he burnt up the rings. im not sure if being rich hurts teh motor other than i think less performance and a little bit of backfiring

Posted by: bwamos

Too rich will cause fouled plugs and carbon buildup. If it get's too bad, the carbon buildup can keep your valves from closing all the way, and burn up your valves.

Excess carbon isn't all that great on your piston rings either.