T7MapleLeaf Posted September 14, 2021 Share Posted September 14, 2021 Hi guys, I hate to be the guy asking an oil question here, but this is my first non-80’s tech thumper bike. Trying to keep to a strict maintenance plan! Yamaha dealer sold me Yamalube oil change packages (50% off sale to boot), and I noticed they are 15w-50 full synthetic. He says 10-40 is long backordered, this is totally fine. How does the heavy oil compare in 5-35 degrees C on these bikes? Will be for the first 800km oil change. Thanks! Link to comment Share on other sites More sharing options...
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