i have not warmed up to 80w for wet muliplate clutches because i have never looked for it local. i understand the service manual asks for 80w but im curious if any brand will do / or does it need to be a wet clutch type?
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Dude really. A few people already answered this on this thread!!! You need to use this thing called the internet and do some research. most major motorsports or powersports oil companies make 80w oil or something basically equivalent. Like Jerry already stated, frequent oil changes are more important than runing 20$ a quart oil.