Muffler, Filter......and Jetting???
#1
Muffler, Filter......and Jetting???
I'm probably going to be upgrading my stock muffler and air filter soon. As far as the exhaust goes, it'll just be a modified slip-on muffler with the stock size exhaust pipe since they don't make a complete system with piping for my Linhai Wrangler 260cc. With just doing a muffler and air filter, would I have to do any carb jetting??
#2
I'm probably going to be upgrading my stock muffler and air filter soon. As far as the exhaust goes, it'll just be a modified slip-on muffler with the stock size exhaust pipe since they don't make a complete system with piping for my Linhai Wrangler 260cc. With just doing a muffler and air filter, would I have to do any carb jetting??
Check out the scooter websites as this engine originally (built by Yamaha) was designed for. Then quad manufactures in China copied the engine and stuck it in quads/scooters. They may have kits and tips to get more out of it.
But in general I don't think you'll find alot of aftermarket stuff for it to bolt on. Anthing is possible however just depends on how hand you are with wrench and welding.
Last edited by Sawyer; 12-20-2009 at 11:38 AM.
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#8
140 sounds like a good start Blubyustang88. I would try a larger pilot jet...really helps with warm up and low speed throttle response...
PoManzATV, Any time you modify either the intake (fliter) or exhaust system. Assuming your going to a less restrictive filter and exhaust. You are now letting more air in, but no more fuel..Larger jets do that... All of these Chinese ATV's come jetted lean from the factory to pass CARB and or EPA tests. Most do better with larger jets any way. Open up the intake and or exhaust and its a necessity.
A lean engine will sort of starve for fuel. Sort of like its running out of power...
Rich will blubber and sputter while not making power.
PoManzATV, Any time you modify either the intake (fliter) or exhaust system. Assuming your going to a less restrictive filter and exhaust. You are now letting more air in, but no more fuel..Larger jets do that... All of these Chinese ATV's come jetted lean from the factory to pass CARB and or EPA tests. Most do better with larger jets any way. Open up the intake and or exhaust and its a necessity.
A lean engine will sort of starve for fuel. Sort of like its running out of power...
Rich will blubber and sputter while not making power.
Last edited by mywifesquad; 12-21-2009 at 01:14 PM.
#9
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Joel