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Rocker shaft wear

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Rocker shaft wear

Postby Nozzle » Wed 23rd Sep 2020, 09:08am

How common is it to have to replace a rocker shaft for wear? My 1275 SPi has done approx 65k and sounds tappety even after adjustment, also doesn't idle constantly but never has.

I understand it that the shafts are softer than the rockers by design and note that the major suppliers seem to stock them almost as if they're a common part to need replacment. What are the symptoms of a worn rocker shaft, or is it only something that is noticed when doing a strip down?

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