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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Vincent pilgrim pump in comparison
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<blockquote data-quote="Marcus Bowden" data-source="post: 111336" data-attributes="member: 3287"><p>Classic Biker shows a drawing and a picture of the inside crank /case which is from my engine. On my first trip on the bike six weeks ago of 50 miles, I had done about forty miles and stoped to pick a puller up from a mate and as I stopped leaving the engine running picked up the parcel and returning to the bike noticed the oil pumping out of my filler cap taking the usual path of between oil & petrol tanks cascading down over the engine onto the ground. Nocking up neighbours to get news papers to wipe up the mess and soak up what I could from the neck of the oil tank.</p><p> Question:; why after forty miles or so did it suddenly spew forth so much oil ? The only conclusion I can come up with is that the weir stand pipe where the inlet is just behind the end face has come out of location and then emptied the reserve oil gallery. But I'm still getting my usual oil pressure to my cam oil gallery of 1 bar or 15psi . Does one consider that the auxiliary oil pump suction is lower than the scavenge suction of the main pump. D/4 is what I recall doing as this is equivalent to full bore area around the base bearing in mind that the c/case thickens towards the out side edge and it seems a slight rise at the curve of the casting.</p><p>Do I strip the motor for the 8th time since having it in 1964 or leave it be as the stand pipe isn't going any where !</p><p>STRI OR LEAVE.</p><p>bananaman</p></blockquote><p></p>
[QUOTE="Marcus Bowden, post: 111336, member: 3287"] Classic Biker shows a drawing and a picture of the inside crank /case which is from my engine. On my first trip on the bike six weeks ago of 50 miles, I had done about forty miles and stoped to pick a puller up from a mate and as I stopped leaving the engine running picked up the parcel and returning to the bike noticed the oil pumping out of my filler cap taking the usual path of between oil & petrol tanks cascading down over the engine onto the ground. Nocking up neighbours to get news papers to wipe up the mess and soak up what I could from the neck of the oil tank. Question:; why after forty miles or so did it suddenly spew forth so much oil ? The only conclusion I can come up with is that the weir stand pipe where the inlet is just behind the end face has come out of location and then emptied the reserve oil gallery. But I'm still getting my usual oil pressure to my cam oil gallery of 1 bar or 15psi . Does one consider that the auxiliary oil pump suction is lower than the scavenge suction of the main pump. D/4 is what I recall doing as this is equivalent to full bore area around the base bearing in mind that the c/case thickens towards the out side edge and it seems a slight rise at the curve of the casting. Do I strip the motor for the 8th time since having it in 1964 or leave it be as the stand pipe isn't going any where ! STRI OR LEAVE. bananaman [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Vincent pilgrim pump in comparison
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