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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
1951 Black Shadow Restoration
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<blockquote data-quote="oexing" data-source="post: 138839" data-attributes="member: 1493"><p>Craig, about the o-ring, just get a cross section that will slip over the shroud and into the recess above the nut thread in the head. It will squash by force of the nut and seal hopefully. Misalignment of faces will not matter with this combination I´d think. </p><p> What puzzled me when assembling the first engine is the offset of recess for the lower shroud seal relative to the cam follower cup. I made alu 10x2 mm pushrods so for having clearance I made offset seal holders with an o-ring for the shroud. This was a mistake in the factory seemingly - or did they rectify this with later engines ? </p><p></p><p> Vic</p><p>[ATTACH=full]41925[/ATTACH]</p><p></p><p>[ATTACH=full]41926[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 138839, member: 1493"] Craig, about the o-ring, just get a cross section that will slip over the shroud and into the recess above the nut thread in the head. It will squash by force of the nut and seal hopefully. Misalignment of faces will not matter with this combination I´d think. What puzzled me when assembling the first engine is the offset of recess for the lower shroud seal relative to the cam follower cup. I made alu 10x2 mm pushrods so for having clearance I made offset seal holders with an o-ring for the shroud. This was a mistake in the factory seemingly - or did they rectify this with later engines ? Vic [ATTACH type="full"]41925[/ATTACH] [ATTACH type="full"]41926[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
1951 Black Shadow Restoration
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