SOHC.co.uk Forums > CB350/400

Cam chain tensioner bolt

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watty51:
Hi all,
Having just spent a lot of time carefully extracting a broken cam chain tensioner bolt, I am ready to fit a new one.

I have checked the thread after some trial fitting, luckily it’s still in good shape and tightens nicely.

Before I start the engine how far do I need to screw the new tensioner bolt in ?

It’s on a Cb350f.

Thanks

Bryanj:
It screws in till it clamps the tensioner rod

robvangulik:
+1, and it does NOT need any real torqueing down, so keep that thread in good health!

gtmdriver:
The tensioner bolt does not actually adjust the chain tension. There is a spring loaded plunger inside which is supposed to do that automatically. The tensioner bolt is there simply to lock the plunger in place once its done the adjustment so it just needs nipping up lightly. The lock nut then secures the bolt.

watty51:
Thanks for the replies,

So the next step is to follow the guide as set out in the workshop manual, (as pictured), job done.

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