head cover bolt broken

while i was torqing the head cover bolts one of thr bold heads broke off before i reached the proper torqe setting any suggestions on how to get the rest of the bolt out??

while i was torqing the head cover bolts one of thr bold heads broke off before i reached the proper torqe setting any suggestions on how to get the rest of the bolt out??

pull the valve cover, then pull the cam cap. Drill the broken valve cover bolt out of the cam cap (on the work bench not in the bike) and tap it. Problem solved.

I'd try a reverse rotation drill bit. Once they cut down inside the snapped bolt, they often grab a cutting edge and the bolt turns out, and you start doing little fist pumps, etc.

 

You don't have to do those bolts up very tight. Just nip them up with a tiny tee-bar. The cover only leaks oil if the rubber washers under those bolt heads are too compressed due to age.

Edited by numroe

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