Norton Service Release Database N54

SERVICE RELEASE N54

NATURE OF RELEASE: Rear brake drum bearing oil sealing MODELS AFFECTED: 1971 Commando PARTS AFFECTED: 062073 Felt Seal DISTRIBUTION: Worldwide (Trade Only) EXPLANATION: Earlier in the season it was found necessary to reduce the period for greasing the rear hub bearing from 12000 to 5000 miles. Subsequent tests have resulted in improved sealing brouhgt about by the use of a revised material seal, part number 062889.   ACTION: During regressing of the brake drum bearing at the 5000 mile interval, fit the later felt seal 062889. Thereafter, the grensing interval may be extended to the original 12000 mile recommendation. July 1971 Norton Villier Canada Limited