10w40 weight. I use castroll conventional oil in mine.
It is .85 of a quart, or 8/10ths of a quart.
one quart of 10 w 30 four stroke motorcycle oil.
Check the oil first, if oil is low it will run good but just have a constant clicking sound on idle.
Dual friction gear oil
No, you do not mix oil with the gas as it is a 4 stroke and has an oil resivoir.
32 ounces of oil to 1 gallon of 91 octane gas
3.3 quarts
no just gas
if its a xr you shouldent have to mix the gas
No it's a fourstroke
The older two-stroke engines DO require mixed gas and oil, but the newer four-stroke engines use separate gas and oil. Which do you have?