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Lightweight torgue settings

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The the Norton factory ever give any torgue settings for the lightweights.

John

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The important setting is 15ft/lbs for big ends & cylinder heads - (or 180inch/lbs). DO NOT EXCEED THIS FIGURE. For Metric system users, 20.3Nm is the figure to aim for.

For all the other nuts, cam wheels, axle sprocket, alternator, oil pump worm, etc, etc - do them up as tight as you can.

For the gearbox mainshaft - at the clutch end on engines pre-106838, use Loctite AND a locknut if you can. Engines after 106838 only need Loctite. At the gearbox end, use Loctite. The factory also centre popped the shaft for safety. Do both these nuts up as tight as you can, one against the other.

 


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