Polaris trailboss 350l carb issue?
#11
What do you mean by sitting up ? Carb is clean, air filter is new. It idles and runs okay for a short while, but starts to die when throttle is opened, flipping choke lever too first position helps it to keep going.
#12
Flipping the choke open a little to make it run better is usually a pretty good sign it's starving/lean on fuel. Sounds like it's still either carb related,the main jet's partially stopped up, the needle valve sticking or even leaking crank seals or a cracked air box neck can cause a lean running condition. Another thing I'd do is a compression check. If compression is low,(100 psi or lower) when it gets hot rings can loose their seal against the cylinder walls and run crappy.
#13
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