lean

So I'm working on a gx200 with no governor all it has on it is a arc flywheel and rod nrracing 650 bored carb 18 pound valve springs open air cleaner and header #39 main and #20 pilot here's the problem I had a autolight racing plug in it and couldn't get any color and even jetted clear to #42...

I've noticed that my Greyhound 6.5 engine is burning a little rich at my 8,000 foot elevation. The engine never bogs down and response of the throttle is very fast. No backfire. The spark plug is black at the electrode and the exhaust pipe is as well. Should I re-jet or adjust the carb? Leave...

Hello My CS 6.5HP clone runs lean and needs to be choked nearly every time I start it. I've heard they run much better with fatter jets in them. I also if richer jets will allow it to start better without having to use the dang choke (even when warmed up). Can anybody enlighten me as to...

at the moment i have a 72 tooth sprocket on my bike (keystone deluxe) and a roughly 12" diameter tire. it just seems a little close to the ground sometimes, especially if i lean in to a left turn. maybe a 60 tooth would be better in my case. any suggestions?

Can you guys help me out with a few things I'm running a very good jetting for my set up Billet rod +10 Arc flywheel Black mamba cam Flat top piston 26lb springs 1.1 ratio champion shaft rockers Custom header 22mm mikuni Jet sizes are 130/17.5 Head is stock What could be...

I have a Honda Gx200 carb .670 max bore with 140 emulsion tube , .020 pilot jet & 98 main jet. How do I lean it out at high Rpm? Change the emulsion tube? I don't want to change it from the snap of the throttle.

i have a hf blue 6.5, gov removed, alum honda flywheel, agk header, the rest is stock. i think im running lean because ive lost a lot of low end power since ive installed the header. im running the header with an rlv silencer. i know that i have increased air flow exiting the engine so now i...

Anyone seen one of these before? 3 wheel, lean to steer, go cart. three wheeled leansteering go-kart