It is a 2 cycle so use a Synthetic 2 cycle oil any major brand.
For a late-model KX85, the recommended amount is .7 liter of 10W-40.
The oil dipstick, on your Kawasaki Mule 610, can be found on the right side of the engine. The top to the oil dipstick should be colored black.
4oz of premix oil for each gallon of gas so for 5 gallons of gasoline you need 20oz of premix oil
According to the Kawasaki site you should use SE class SAE 10W40, 10W50, 20W40 or 20W50 oil for the engine. You use SAE 10W oil for the front fork.
The 750 STS Kawasaki Jetski uses 2 cycle engine oil. 2 cycle engine oil is specifically made for use in jetskis.
Use Kawasaki 10W30 motor oil or some good dino oil in it until you get at least 110 hours on it then you can change to synthetic. We prefer the use of 10W30 Mobil 1 synthetic or Royal Purple but ONLY after 110 hours otherwise the engine will nevr break in and the engine will burn oil.
1.8 qts
Bel-ray 10w50
kawasaki engine 717 cc. timing mark
0.9liters
The 1975 Kawasaki 400 engine oil capacity is three pints. The manufacturer recommends that you never overfill the motor oil.
10w30