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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Fogging for Mosquitos; Valve Guide Issues and Solutions
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<blockquote data-quote="davidd" data-source="post: 84995" data-attributes="member: 1177"><p>I would be interested to know the results of a leak down test. This would tell you if it is your valves, rings or both. If smoke is coming out of the breather then I would assume it is getting by the rings. But, it seems to me that this would tell you whether you had a sealing problem or an oil system problem. </p><p></p><p>I am not sure what to say about the oil system. I have never had smoke come out of the pipe even when using a quart every two hours. This happened when teeth came off a nylon gear and packed up in the oil return banjo on the bottom of the UFM. On that same trip I lost a bit of the sealant that sealed the timing chest just above and a little rearward of the ATD. It pumped out oil like I had severed an oil artery! The paddle wheel effect of the gears pushes a surprising amount of oil at the crank case seals at a high rate of speed.</p><p></p><p>As for the clear rocker cover, it was pointed out to me on a twin recently:</p><p></p><p>[ATTACH=full]16956[/ATTACH] </p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 84995, member: 1177"] I would be interested to know the results of a leak down test. This would tell you if it is your valves, rings or both. If smoke is coming out of the breather then I would assume it is getting by the rings. But, it seems to me that this would tell you whether you had a sealing problem or an oil system problem. I am not sure what to say about the oil system. I have never had smoke come out of the pipe even when using a quart every two hours. This happened when teeth came off a nylon gear and packed up in the oil return banjo on the bottom of the UFM. On that same trip I lost a bit of the sealant that sealed the timing chest just above and a little rearward of the ATD. It pumped out oil like I had severed an oil artery! The paddle wheel effect of the gears pushes a surprising amount of oil at the crank case seals at a high rate of speed. As for the clear rocker cover, it was pointed out to me on a twin recently: [ATTACH=full]16956[/ATTACH] David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Fogging for Mosquitos; Valve Guide Issues and Solutions
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