Join Date: Apr 2018
Location: Minneapolis, MN
Gear Oil | Yamaha Raider
My manual calls for SAE80 API GL-4 Hypoid transfer gear oil.
Looking online I'm finding oil like [Valvoline Mineral, SAE Grade : 80W-90], [Lucas Heavy Duty SAE 80W-90 Gear Oil], [Royal Purple Max-Gear Synthetic Gear], [Bel-Ray Hypoid 80w90 Gear Oil]. Not sure what the 90 after the 80 is, if synthetic is recommended or what hypoid is - anyone?
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