
I'm working my way through servicing it, need to change oil, coolant and check valve clearances too but these are covered in the MZ660 and SZR660 manuals I down loaded from the net.
Moderators: DAVID THOMPSON, phlat65
edfmaniac wrote:Yes. It's spring loaded with a ratcheting device that doesn't allow the chain to loosen once the spring pushes on it hard enough to engage the next tooth on the tensioner. If you are concerned, you can remove the unit and check to see how far it has been pushed out. Remove the big bolt first, then the smaller ones, or the spring will just push it out fully when removed. Retract it all the way before reinstalling.
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