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General Minitrail Talk
Projects/Builds
Doctor, I've got no pulse!
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<blockquote data-quote="69ST" data-source="post: 184068" data-attributes="member: 5"><p>The engine should be completely torn down. I'd want to verify the condition of the crankshaft assembly, shift forks & bearings. Steel-against-cast-iron creates some hard debris...and...this amount of cam chain wear is consistent with a well-neglected engine. The gears are probably okay, shift forks of this era usually worn out. I'd give 50-50 odds on the crank being within spec. Pay close attention to the lower end bearings, any noticeable roughness, or notchiness, replace them. Open up the oil pump, I'd expect the gerotor assembly & housing to be scored. That really should be the worst of the bad news, just a question of how many of these lower end parts need attention, or replacement. The rest should be straightforward rebuild stuff.</p></blockquote><p></p>
[QUOTE="69ST, post: 184068, member: 5"] The engine should be completely torn down. I'd want to verify the condition of the crankshaft assembly, shift forks & bearings. Steel-against-cast-iron creates some hard debris...and...this amount of cam chain wear is consistent with a well-neglected engine. The gears are probably okay, shift forks of this era usually worn out. I'd give 50-50 odds on the crank being within spec. Pay close attention to the lower end bearings, any noticeable roughness, or notchiness, replace them. Open up the oil pump, I'd expect the gerotor assembly & housing to be scored. That really should be the worst of the bad news, just a question of how many of these lower end parts need attention, or replacement. The rest should be straightforward rebuild stuff. [/QUOTE]
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General Minitrail Talk
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Doctor, I've got no pulse!
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