[be_nice420]

I just got a 140 lifan and I'm trying to find a bigger camshaft anybody know where I can order one?

 

[geezer]

This will work well http://tboltusa.com/store/tb-300-race-head-cam-br-z50-crf50-xr50-pit-bikes-p-400.html. You will need the 2 bolt sprocket with it