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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil consumption
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<blockquote data-quote="Monkeypants" data-source="post: 133442" data-attributes="member: 2708"><p>My OZ Rapide has RD springs and hardware from Terry, installed by John in 2004. He mentioned that the cams had a faint line from earlier wear. That would include squillions of miles in Oz in the 80s/90s, and possibly also some or all of its UK time 40s thru 70s. Fortunately he was able to clean up the cams and followers with an abrasive stone.</p><p>So the existing cams and followers were used. New valves guides, rocker bearings, lead free fuel type seats and the RD spring set up went in along with new pistons etc.</p><p>The bike has done about 55,000 miles since then. I might have adjusted the tappets 3 times in that mileage with just slight adjustments each time.</p><p>John did use a gauge for setting seat pressure. He liked it fairly high, somewhere around that 105 for a standard engine. His own bike was at 120.</p><p>My best result for oil consumption was a trip to California and back with just 8 oz. of oil added to bring the level up at home. That distance was about 2800 miles. </p><p>Right now the engine needs new valve seals, so consumption is more like 1qt per 1000 miles. </p><p>I've used vr1 20/50 for most of the mileage.</p><p></p><p>Glen</p></blockquote><p></p>
[QUOTE="Monkeypants, post: 133442, member: 2708"] My OZ Rapide has RD springs and hardware from Terry, installed by John in 2004. He mentioned that the cams had a faint line from earlier wear. That would include squillions of miles in Oz in the 80s/90s, and possibly also some or all of its UK time 40s thru 70s. Fortunately he was able to clean up the cams and followers with an abrasive stone. So the existing cams and followers were used. New valves guides, rocker bearings, lead free fuel type seats and the RD spring set up went in along with new pistons etc. The bike has done about 55,000 miles since then. I might have adjusted the tappets 3 times in that mileage with just slight adjustments each time. John did use a gauge for setting seat pressure. He liked it fairly high, somewhere around that 105 for a standard engine. His own bike was at 120. My best result for oil consumption was a trip to California and back with just 8 oz. of oil added to bring the level up at home. That distance was about 2800 miles. Right now the engine needs new valve seals, so consumption is more like 1qt per 1000 miles. I've used vr1 20/50 for most of the mileage. Glen [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil consumption
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