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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Carb Spitting back fuel
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<blockquote data-quote="John Appleton" data-source="post: 15560" data-attributes="member: 760"><p>Paul, you will no doubt recieve advice from lots of sources about incorrect valve timing, and obviously this is something to consider, but many years ago my 1949 rapide suffered from the same affliction. After several dismantling sessions I found that the position of ET 68 was incorrect, and even with ET69F diconnected from its linkage, it still held follower ET29 in the partially raised position thus restricting the exhaust valve travel and caused blowback through the carb, and I always had a left leg that smelled of petrol . Just another of those snippets that can have you thinking for weeks.</p></blockquote><p></p>
[QUOTE="John Appleton, post: 15560, member: 760"] Paul, you will no doubt recieve advice from lots of sources about incorrect valve timing, and obviously this is something to consider, but many years ago my 1949 rapide suffered from the same affliction. After several dismantling sessions I found that the position of ET 68 was incorrect, and even with ET69F diconnected from its linkage, it still held follower ET29 in the partially raised position thus restricting the exhaust valve travel and caused blowback through the carb, and I always had a left leg that smelled of petrol . Just another of those snippets that can have you thinking for weeks. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Carb Spitting back fuel
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