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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil Tank Breather Advice
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<blockquote data-quote="ClassicBiker" data-source="post: 154712" data-attributes="member: 1632"><p>The short answer is yes, they will work against each other. If the timed breather is functional and correctly timed, it will be closed as the pistons rise and create a slight vacuum in the crankcase. If the breather from the front spring cap is merely an open pipe, air will be sucked in, negating the purpose of the timed breather. If the front breather has a one way valve that only allows air to escape, it will be different story. Do you know if the front cap breather has a one way valve of some description?</p><p>Steven</p></blockquote><p></p>
[QUOTE="ClassicBiker, post: 154712, member: 1632"] The short answer is yes, they will work against each other. If the timed breather is functional and correctly timed, it will be closed as the pistons rise and create a slight vacuum in the crankcase. If the breather from the front spring cap is merely an open pipe, air will be sucked in, negating the purpose of the timed breather. If the front breather has a one way valve that only allows air to escape, it will be different story. Do you know if the front cap breather has a one way valve of some description? Steven [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil Tank Breather Advice
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