What is the Yamaha 400 wheel torque specs?

The torque specifications for the Yamaha YZF-R1 400 (assuming you are referring to the YZF-R3, as there isn't a specific 400 model in the Yamaha lineup) generally range from 14 to 20 ft-lbs for the engine bolts, while the front and rear axle nuts typically require around 80 to 90 ft-lbs. It's essential to refer to the specific service manual for your model year for accurate torque values, as they can vary slightly. Always use a torque wrench to ensure proper tightening and avoid damage.