Norton Service Release Database N3/59

SERVICE RELEASE N3/59

NATURE OF RELEASE: Recommended Engine Lubricants MODELS AFFECTED: All Commando DISTRIBUTION: Worldwide (General Distribution) EXPLANATION: Important amendments to all previously issued engine lubricant recommendations have now been confirmed by the Norton Development Department (see also Service Release N3/47 May 1973 ). H. D. SAE/40 Monograde oils meeting A.P.I. service SE or SD performance level now form the preferred engine lubricant recommendations for both current and previous 750/850 models. ( SAE 30 equivalents for amients below 32°F. (0°C) (SAE 50 equivalents for amients above 90°F.(32°C. ) The previously recommended Multi-Grade lubricants continue with full approval for use, but it must be noted that all future recommendation charts in Rider and Workshop Manuals, and other Service publications will indicate H. D. 40 Monograde oils (A.P.I. SD or SE service rating) as the prime engine lubricant recommendations.   July 1973 Norton Villiers Canada Limited