Easy to check the advance. Just pop the vac hose off and listen for the change in revs. If no change, block the carby side of the hose with your finger, the engine will run smoother. That means the diaphragm is split or holed.
Easy to check the advance. Just pop the vac hose off and listen for the change in revs. If no change, block the carby side of the hose with your finger, the engine will run smoother. That means the diaphragm is split or holed.
My advice is: not to follow my advice.
dom14 (2nd May 2017)
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