BSA Owners' Club Forum
The BSA Workshop => Twins => Topic started by: Caulky on 30 September, 2017, 16:45:33
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And it was going so well....
I fitted the inlet rocker gear and was about to fit the exhaust rockers.
Then I put the right-hand pushrod on, turning the engine with a spanner on the alternator nut.
Watched the valve opening, then it locked.
With the adjuster fully out it will turn-over completely.
This is a head off job now.
There could be many reasons for this to happen, just about everything is new.
I'm thinking, wrong camshaft, wrong followers, wrong pistons, etc.
Any thoughts?
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Hi
Please don't be insulted. Have you got the push rods in the right position???
Mike
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Well. I think so, short ones outside.
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Valve timing is all ok i presume?
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I have not really had a chance to check the valve timing, but the inlet is open at TDC, which confirms my suspicions.
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sounds like the problem ;)
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Preliminary checks appear to show that the inlet valves are beginning to open far too early.
But, I can't find my degree wheel, so I'll make another to check it out.