I like castrol Activo part synthetic
90
about 40 mph
The Yamaha YZF 426 typically requires about 1.6 quarts (or approximately 1.5 liters) of oil when changing the oil and replacing the oil filter. Always refer to the owner's manual for the specific oil capacity and recommendations for the best performance. It's important to use the recommended oil type to ensure optimal engine function.
NO, NEVER! YZF's are four strokes. 2 cycle oil is for 2 cycles...
Yamaha yzf r125 mileage
1litre or 1.2 with new oil filter
The Yamaha YZF R1 motorcycle is a sports bike class motorcycle. The Yamaha YZF R1, like other Yamaha sports bikes, are available from authorized Yamaha dealers.
3.07 Quarts or 2.9 Liters
2.85 US quarts
1.13 liters
AMS SYNTHETIC 10W-40