> Well, I'm still scooting around on my 1961 War Wagon from Hercules, and they > tell me to use 90 weight in the gearbox (3-speed manual), but this stuff is > like tar in the winter. But lovely thick stuff in the summer. No problems > yet. (The thing ran for 40 years, why should it stop now ?) I believe hercules uses sachs engines. If so, for sachs engines 20W40 is advised. Pretty good engines, a friend of mine rode a sparta with sachs engine for over a year befor noticing there wasn't any oil in it. No damage whatsoever luckily. :) Robbert
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