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What oil is used in the crankcase / transmission? What oil is used in the oil tank reservoir?
New to 2-srokes. A friend gave me a 1972 360, RT2. Going over it and have the manual but it is not clear about oils to use. I have come to believe that the crankcase and gears share the oil for 1972 and 1973. The manual says use SAE 30 two- stroke engine oil. Transmission oil is SAE 10W/30 engine oil for 1974 and later. A 1972 or 1973 is not mentioned. Finally, is the oil for the reservoir two stroke oil. Thank you for any advice, steveb
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Hello Steve, and welcome to the forum
Oils have changed a lot since the days when these vintage Yamaha Enduros were made.
What's most important now days, isn't which weight of oil you use in the transmission case (30wt or 10/30wt), . . . it's that you use an oil that is designed for use in "wet clutch" applications. If the bottle or can doesn't state "For Use With Wet Clutch's" or, ... carry the JASO M1 or M2 rating, then don't risk using it . . . otherwise, you'll risk that the clutch plates will start slipping.
As for the oil tank, that's tucked up under the left side of the seat, definitely look for a product that says something like: Two Cycle Oil, or ... 2-Stroke Oil ..... better yet, If the container says ... For use in oil injection systems
Probably easiest to find if you visit any one of the Japanese brand dealerships. They'll likely have a variety of oils that are appropriate for you to choose from