You need a good solid way to stop the sprocket from turning and a 19mm box end wrench (ring spanner).
Dont tighten hard while you are making adjustments. Wait until you are sure its set right.
The front of the camshaft bolt is very tight, you can react against that while final tightening. Its on a taper so It wont move whereas the back sprocket is just a clamped fit. I actually loosen the rear bolt while holding the camshaft with that front bolt. The rear always loosens first, at least it has for me.
Move the engine to TDC before doing anything
Steve
|