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Noisy Norton!!!!

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I have finally tracked down the source of the very loud “ drowning/ whirring noise on my 16h. It is the new half time pinion that came from India. I have tried several timing gears on the exhaust side and they all make the noise when in contact with the half time pinion - it is easy to hear just using the kickstart. I have it fitted with the “dished” concave side inwards - is this correct?

 Thanks again for everyone’s help 

Gary

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There should be a hard washer behind it. Easy to lose, especially if the shaft is loose.  If so, check recent posts about which way up it goes if you loctite it.

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... that you'd fitted an Indian-made pinion? I would steer well clear of anything which is so vital unless I was sure of its provenance. Failure could cause catastrophic damage. There must still be genuine pinions about. Norvil list them although at a pretty hefty price.

 


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