650 M OF OIL
Yes, oil should be put in the crankcase on a 1989 Suzuki RM 250. The proper oil to use for this is a product made by Standard Oil called 80-90W Gear Oil.
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The Suzuki RM 250 was introduced in the mid-1970's and came equipped with a fuel tank capacity of 2.1 U.S gallons. Aftermarket fuel tanks are available which can increase that capacity if one still owns one of those models.
Trans. oil capacity - 0.5 litres
Use 10 ounces for each fork. Less if you want softer suspension, perhaps 8 ounces.
135ml to 5 litres of petrol.
MANUAL SAYS 20:1
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where do i find the id number on a rm 250 suzuki dirtbike
2003