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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil Sumping
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<blockquote data-quote="Peter Holmes" data-source="post: 87399" data-attributes="member: 302"><p>I am not sure that the scavenge pump should leave the crankcase dry, but could be wrong, I did take a quick look at Richardson and KTB but could not find a definitive answer, what do you see at the oil return orifice inside the filler cap, a sort of healthy pulse of oil returning or barely a dribble, I guess if it was not scavenging enough eventually you would have a lot of smoke out of the exhaust or worse, when you say your sump (misnomer) is completely dry, is that after you have removed the drain plug and drained off all the oil and then checked at a later date, if so then your Conways device is working, personally I would not use one, I see it as a restriction and not desirable, after a lay up I just drain off the excess and pour back into the oil tank, taking great care that whole procedure is scrupulously clean.</p></blockquote><p></p>
[QUOTE="Peter Holmes, post: 87399, member: 302"] I am not sure that the scavenge pump should leave the crankcase dry, but could be wrong, I did take a quick look at Richardson and KTB but could not find a definitive answer, what do you see at the oil return orifice inside the filler cap, a sort of healthy pulse of oil returning or barely a dribble, I guess if it was not scavenging enough eventually you would have a lot of smoke out of the exhaust or worse, when you say your sump (misnomer) is completely dry, is that after you have removed the drain plug and drained off all the oil and then checked at a later date, if so then your Conways device is working, personally I would not use one, I see it as a restriction and not desirable, after a lay up I just drain off the excess and pour back into the oil tank, taking great care that whole procedure is scrupulously clean. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil Sumping
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