transmition

Hi guys, last few rides I have, bike sometimes go out of gear on jumps or on high speed small jumps. I doesn't happen often, one time on ride, sometimes even not. Yesterday I was in 4th gear, on jump it went to neutral and when I leave the throttle it engages again. Any suggestions what it...

hello there, its been more than a while since i last posted here! here 's the deal, i rebuilted the whole engine few months ago due to a broken camshaft bearing. con-rod, cam shaft, all bearings (except of the gearbox ones) , camchain, piston rings, rollers, etc . all these were replaced. the...