Exhaust shaft HOT CAMS stage 1 for YAMAHA WRF, YZF 400, 426 from 1998 to 2002

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

Caution: this kit is only available with the camshaft HOT CAMS stage 1 on the intake side. If you want to change your camshafts to increase performance we offer below a pack including these two shafts. This product is offered for sale as a spare part

Here are the technical data of these camshafts:

Exhaust duration (degrees at 1mm): 259°

Exhaust lobe center (degrees): 105

Exhaust valve clearance (mm): 0.200mm

Exhaust cam lobe lift: 8,760mm

Fits on:

SUZUKI RM-Z 450 450 2017

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