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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil pump volume
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<blockquote data-quote="greg brillus" data-source="post: 178461" data-attributes="member: 597"><p>Always make sure there is a good glassful of oil in the bottom of the crankcase.......especially on a new engine build and after every oil change......I tend to also prime the oil system from the filter housing and the galleries of the timing cover.......remove the acorn nut and jet holder atop the timing cover and squirt oil in there several times to bleed oil into the galleries........pumping some oil from an oil can down each pushrod tube is the easiest way to fill the lower case and helps the cams/followers which is critical on these.......On start up the oil should show signs of returning to the tank quite quickly........20 to 30 seconds max.......When you hear of this time taking too long, it is because of a lack of oil in the bottom of the case, where the scavenge pump has nothing yet to return........not ideal at all......The oil does not get hot as there is no pressure, plus the volume of oil and air flow around the tank contribute to this as well........This is the main reason why the oil tanks get sludge build up.......the lack of heat cannot dissipate any water built up, and the tank does not readily vent it.......another reason why the main tank vent at the rear (T29 fitting) should be left open and vented to the rear axle area.......</p></blockquote><p></p>
[QUOTE="greg brillus, post: 178461, member: 597"] Always make sure there is a good glassful of oil in the bottom of the crankcase.......especially on a new engine build and after every oil change......I tend to also prime the oil system from the filter housing and the galleries of the timing cover.......remove the acorn nut and jet holder atop the timing cover and squirt oil in there several times to bleed oil into the galleries........pumping some oil from an oil can down each pushrod tube is the easiest way to fill the lower case and helps the cams/followers which is critical on these.......On start up the oil should show signs of returning to the tank quite quickly........20 to 30 seconds max.......When you hear of this time taking too long, it is because of a lack of oil in the bottom of the case, where the scavenge pump has nothing yet to return........not ideal at all......The oil does not get hot as there is no pressure, plus the volume of oil and air flow around the tank contribute to this as well........This is the main reason why the oil tanks get sludge build up.......the lack of heat cannot dissipate any water built up, and the tank does not readily vent it.......another reason why the main tank vent at the rear (T29 fitting) should be left open and vented to the rear axle area....... [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil pump volume
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