SOHC.co.uk Forums > CB750
Cam Chain tensioning
ader:
Hi Guys,
New here, so bear with me please.
I need to tighten up the cam chain and have found loads of helpful guidance both on here and on You tube.
I understand the process and mechanics of the tension-er and it all seems sensible and straightforward enough, however I have NO movement whatsoever on cyl one tappet on either stroke at TDC.
??
Must be some space in the exhaust cycle as cylinder 1 is running ok and pipe is hot (burned myself to make sure)
Doing some self analysis whilst writing this, i was pushing the tappet down and sideways at TDC should i be pulling it up?
any thoughts would be mucho appreciated
ta
paul G:
Daft question but have you adjusted it and checked the gap ;)
Bryanj:
T 1-4 is marked on the ignition auto advancer behind the points and when the mark lines up with the static mark Cylinders 1 and 4 are both at TDC one of them at top of exhaust stroke where both valves are open a bit and the other on compression where both valves are closed and anyway it don't matter a stuff if you follow the intstructions I posted in tricks and tips
Paulreade:
https://www.youtube.com/watch?v=8841eO5tvro&feature=share
This was a video I followed the other day - hope it opens ok , if not dial in 'cam chain adj cb750k'
It seems to be OK on mine since I have done it.
Hopefully our experts agree.
Green1:
--- Quote from: Bryanj on June 18, 2018, 04:31:47 PM ---T 1-4 is marked on the ignition auto advancer behind the points and when the mark lines up with the static mark Cylinders 1 and 4 are both at TDC one of them at top of exhaust stroke where both valves are open a bit and the other on compression where both valves are closed and anyway it don't matter a stuff if you follow the intstructions I posted in tricks and tips
--- End quote ---
I'm beginning to think people don't trust this method Brian.
I'm thinking maybe because this method seems too simple for such an important job.
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