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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Breathers
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<blockquote data-quote="aldeburgh" data-source="post: 44901" data-attributes="member: 2692"><p>Keep the standard breather on the machine but make sure it is opening and shutting at the right point during the piston cycle , as to any additional breathers make sure whatever you fit has a non-return valve fitted. If you can blow out as much wind as possible on the down strokes and keep as much wind as possible out of it during the upstrokes it should stay "oil tight"</p><p>As to oil tank breather , use a vented cap and or the vent pipe, on mine I use both but when I got the machine it had neither! the vent pipe was capped and the filler cap was not drilled ,its all a learning curve<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="aldeburgh, post: 44901, member: 2692"] Keep the standard breather on the machine but make sure it is opening and shutting at the right point during the piston cycle , as to any additional breathers make sure whatever you fit has a non-return valve fitted. If you can blow out as much wind as possible on the down strokes and keep as much wind as possible out of it during the upstrokes it should stay "oil tight" As to oil tank breather , use a vented cap and or the vent pipe, on mine I use both but when I got the machine it had neither! the vent pipe was capped and the filler cap was not drilled ,its all a learning curve:cool: [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Breathers
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