Royal Purple full synthetic !
on my 1982 maxim 550, the oil fill cap is the little cap right above your rear brake. The oil filter looks liek its in the front bottom area, just un bolt that to drain, and unscrew the cap by the brake to fill.
oil injected
SAE10w30 Synthetic
2.5 qts
2.3 qts. If your temperature while riding doesn't reach lower than 40F use 20w50 If it doesn't get any warmer than 60F use 10w40 both type "se" motor oil
5000 gallons
10-40 synthetic Suzuki oil
The oil fill is on the right side of the engine below the carb on the upper part of the case.
What is the gas to oil ratio fot a 1982 Yamaha PW50? Do you need to mix it manually or does it automatically mix together by putting straight gasoline in the gas tank and straight oil in the oil tank?
Hypoid 80/90W. Check www.xjbikes.com
add 9.48oz 10 weight oil level should be 130mm from top of tube level
50:1 That is what I run in my 1982 440 ss