Cooking oil. Like Crisco.
Regular
10w-40
r1 fork oil capacity
NO, NEVER! YZF's are four strokes. 2 cycle oil is for 2 cycles...
Yamalube motor oil
The Yamaha R1 is faster
482 cm3
The oil capacity for a 2003 Yamaha R1 is approximately 3.6 quarts (or about 3.4 liters) when using a filter. It's essential to check the owner's manual for precise specifications and recommendations, including the type of oil to use for optimal performance. Always ensure the bike is on level ground when checking or changing the oil.
Yamaha r1
3.1 with oil filter change, 2.9 without
How-to change clutch cover on yamaha r1?
From my experience, Yamaha R1 hands down.