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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rear Damper Help
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<blockquote data-quote="Cyborg" data-source="post: 134860" data-attributes="member: 3426"><p>Page 23 in my Richardson book it refers to S.A.E 20 engine oil. KTB says non- detergent 20 or possibly 30. If the damper has been completely serviced, I don’t see the need for non- detergent. I wouldn’t stray to far from 20 ( in its stock form) if that is what it was designed for, but I’m not the resident expert.</p><p>I just assembled one, but tossed the part that holds the two O-rings and installed a modern lip seal. The seal itself fits without any machining, but in order to hold the internals together it requires a new spacer. The spacer protects the seal as well as holding everything in place.</p><p>Personally.... even though I have the equipment to install a thin wall bushing in the bottom of a damper, there isn’t a lot of extra room for removing material. My first choice would be to just replace that part of the damper. There are oodles of them around, so must be someone who will donate one to the cause. I suppose it depends on how close that existing hole is to the edge where the housing is machined for clearance. They aren’t all the same.</p></blockquote><p></p>
[QUOTE="Cyborg, post: 134860, member: 3426"] Page 23 in my Richardson book it refers to S.A.E 20 engine oil. KTB says non- detergent 20 or possibly 30. If the damper has been completely serviced, I don’t see the need for non- detergent. I wouldn’t stray to far from 20 ( in its stock form) if that is what it was designed for, but I’m not the resident expert. I just assembled one, but tossed the part that holds the two O-rings and installed a modern lip seal. The seal itself fits without any machining, but in order to hold the internals together it requires a new spacer. The spacer protects the seal as well as holding everything in place. Personally.... even though I have the equipment to install a thin wall bushing in the bottom of a damper, there isn’t a lot of extra room for removing material. My first choice would be to just replace that part of the damper. There are oodles of them around, so must be someone who will donate one to the cause. I suppose it depends on how close that existing hole is to the edge where the housing is machined for clearance. They aren’t all the same. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rear Damper Help
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