Classic Motorcycle Mechanics

Buttoning up!

Back on with the Z900A4. Last month I fitted the barrels over the pistons of this fine engine and shared a few of my tips and tricks to make it easier.

Now is the time to fit the all-important cylinder head. The secret behind operations of this nature is to get everything ready and laid out, read the entire process in great detail from the Kawasaki bible, and have it open at the right page should you need to check anything. All mating surfaces were thoroughly cleaned with blue paper wipe soaked in brake cleaner.

As with the barrels, there is more jeopardy, but this time in the form of not one, but two lots of cam-chain idler wheels that each have two little rubber dampers sat on their axle, which are willing and able to take a dive to obscurity down the cam-chain tunnel, which makes me swear!

I started by

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