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General Minitrail Talk
Projects/Builds
71K0 just brought out of a LOOONNGG storage.
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<blockquote data-quote="69ST" data-source="post: 175388" data-attributes="member: 5"><p>I think you're right. The good news...the lower end is probably okay. The bad news...the head may be injured. I've run across a few examples of engines that were run with a non-functioning oil pump, following a rebuild. One that truly stands out, in memory, was ridden for 5 days(!) before the cam/rocker assembly destroyed itself. Everything from the cylinder & below, survived on splash oiling.</p><p>You definitely want to open the oil spinner and check the cam + bearing journals in the head casting.</p><p></p><p>IMO, ctbale is dead-on. The oil metering orifice is a tiny passage, very easily clogged. If it is obstructed by a hairball, the head is going to suffer. OTOH, this is the only point in the oiling system with any real oil pressure and that could have kept the fibers from accumulating. I'd pull the oil pump, to look inside that chamber, also pull the oil pump cover to inspect the gerotor assembly.</p></blockquote><p></p>
[QUOTE="69ST, post: 175388, member: 5"] I think you're right. The good news...the lower end is probably okay. The bad news...the head may be injured. I've run across a few examples of engines that were run with a non-functioning oil pump, following a rebuild. One that truly stands out, in memory, was ridden for 5 days(!) before the cam/rocker assembly destroyed itself. Everything from the cylinder & below, survived on splash oiling. You definitely want to open the oil spinner and check the cam + bearing journals in the head casting. IMO, ctbale is dead-on. The oil metering orifice is a tiny passage, very easily clogged. If it is obstructed by a hairball, the head is going to suffer. OTOH, this is the only point in the oiling system with any real oil pressure and that could have kept the fibers from accumulating. I'd pull the oil pump, to look inside that chamber, also pull the oil pump cover to inspect the gerotor assembly. [/QUOTE]
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General Minitrail Talk
Projects/Builds
71K0 just brought out of a LOOONNGG storage.
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