Registered Forum User
Mille
Posts: 203
Join Date: May 2003
Location: Essex
Mood: what a day, a year, a life it's been
You two got me worried, so when I had my 600 to bits today for a pre-season clean I checked my pulleys. Fortunately both are fine.
Monstermob- I have had problems with loose woodruff keys in the past (many, many years ago on a car alternator) and had an engineering company repair the damage (as I recall they filled the old slot with weld and re-machined it). However, given the very hard nature of the camshaft material and the accuracy required I'm not sure that this is an option for you. Your idea of machining a larger keyway may work, though.
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