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Old 01-13-2013, 05:54 AM   #36
chasbmw OP
Beastly Adventurer
Joined: Feb 2006
Location: Bath Uk
Oddometer: 2,349

The snow bum information is interesting, but since it was last revised there is a much wider choice of camshaft available, in the old days it was either the stock 308 degree cam or a 336 and that was about it unless you were unlucky enough to fit an Andrews sports cam.
Take a look at the Motoren Israel web site and you will find a much wider variety of cams.

Snow bums article has reminded me that with airheads the devil is in the detail, if you are building a pre 81 engine out of parts, unless you check the cam timing, it would be easy to end up with a bike that runs badly and you would have no idea what caused the problem.
R90s 1070 replica, R90/6, 1958 R50
1971 Commando Fastback
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