HOT CAMS offers you this camshaft stage 1 admission side to equip your motocross YAMAHA YZF 400cc, YAMAHA YZF 426cc, YAMAHA WRF 400cc, YAMAHA WRF 426cc. This camshaft has the same place and the same timing as the original one. However, the opening times have been changed to increase the performance of your motocross. During our dyno test we noticed that the engine had much more torque at start up and a much better mid-range recovery. It can be mounted on an original cylinder but also the BIG BORE kit like the ATHENA for example. Ideal to increase quickly and easily the performance of your motocross

Caution: This product is only available with the stage 1 exhaust camshaft HOT CAMS. This product is offered as a spare part. We propose the pack of 2 shafts below

Intake cam lobe lift: 8.800mm

Intake duration (degrees at 1mm): 260.00

Intake lobe center (degrees): 105.00

Intake valve clearance (mm): 0.150mm

Fits on:

YAMAHA WR 400 F (CH02) 400 1998

YAMAHA WR 400 F (CH04) 400 2000

YAMAHA WR 400 F (CH04) 400 1999

YAMAHA WR 426 F (CJ02) 426 2002

YAMAHA WR 426 F (CJ02) 426 2001

YAMAHA YZ 400 F (CH01) 400 1998

YAMAHA YZ 400 F (CH03) 400 1999

YAMAHA YZ 426 F (CJ01) 426 2002

YAMAHA YZ 426 F (CJ01) 426 2001

YAMAHA YZ 426 F (CJ01) 426 2000