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this is directly from Yamaha i work at a dealership 5w oil is recommended 329cc or 90mm oil height
fork oil amounts for a Yamaha GT 80 are 108 to 116cc's per fork tube. you should use 10w motorcycle fork oil. this is good for all years from 1974 to 1980.
500cc of oil
135mm (80-150)
Yamaha recommeded 20/1
When owning and maintaining a recreational vehicle, it is important to know what type oil is needed to run it smoothly. For a 2003 Yamaha Raptor 80 SAE 10w40 type se motor oil is recommended.
0.9 quarts or 1 liter.
10w-30 engine oil preferably motorcycle type oil for wet clutch.
Yes they can. I just lowered my daughters 1997 YZ 80 with a duvol shock link and by installing bar risers sliding front fork tubes up.
Sae 10w/30 "se" or "sf" motor oil
what year was the Yamaha raptor 80 introduced?
PW 80 is a 2 stroke. It does not have oil in the crank case. I think you mean transmission oil. I use 10w40 engine oil in mine and it works great.