Norton Service Release Database N3/60

SERVICE RELEASE N3/60

NATURE OF RELEASE: Front brake caliper incorporating stainless steel disc scraper MODELS AFFECTED: All front disc brake Commando models DISTRIBUTION: Worlwide (General Distribution) EXPLANATION: The existing front brake caliper 061927 (serviced as an assembly under part number 061926) has been modified by the addition of two 2. 55mm diameter holes on the rear face, to allow the incorporation of a fully floating/self-aligning disc scraper part'number 065143. The scraper is designed to prevent dust and abrasive particles entering the caliper yoke and initiating abrasive wear of the disc and friction lining pads.   ACTION: The new part numbers involved are as under: Conversion'of existing calipers should be strictly in accordance with the sketch. - DO NOT under any circumstances'drill the 2. 55mm diameter holes deeper than shown, otherwise the fully floating facility will be completely lost. Additionally - DO NOT overtighten the self-tap fixing screws for the same reason. July 1973 Norton Villiers Canada Limited