Norton Service Release Database N5

SERVICE RELEASE N5

NATURE OF RELEASE: Clutch slip MODELS AFFECTED: Commando (All Editions) from Eng, No, 123576 PARTS AFFECTED: 06-0749 Clutch Plate DISTRIBUTION: Worldwide. EXPLANATION: One piece clutch friction rings have been fitted to recent productions and there is a tendency for oil to build up on the friction surfaces causing clutch slip under some conditions.   ACTION: Remove the clutch friction plates, cut 12 radial grooves of 'U' section into the friction surfaces at both sides of each of these plates. The grooves should be 3/32" wide by 0.030" doep. The effect of this modification will be to break down the oil film on the friction plates. May 1970 Norton Villiers Canada Limited