A buddy of mine recently had to remove the left side engine cover so he could replace the water pump drive gear. He replaced the gear and reinstalled the left hand engine cover and now he is having a major problem. When he puts the quad in first gear and then lets of the clutch to take off he says if bogs down like he was starting in 4th gear. If he tries to upshift from what he thinks is 1st to 2nd it bogs down even more and stalls out. He is able to find neutral. Any ideas out there what the problem could be?

Thanks.

 

Did ya pull the cover back off?