HOT CAMS offers you these stage 1 camshafts to equip your YAMAHA WRF 450cc motocross and YAMAHA YFZ 450cc quad. This pack includes the exhaust and intake camshaft. These camshafts are in the same place and with 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 from 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. Contractual photo to come

Here are the technical data of these camshafts:

Intake duration (degrees at 1mm): 269°

Intake lobe center (degrees): 110

Intake valve clearance (mm): 0.150mm

Intake cam lobe lift: 8.860mm

Exhaust timing (degrees at 1mm): 265°

Exhaust lobe center (degrees): 103

Exhaust valve clearance (mm): 0.200mm

Exhaust lobe lift: 8.760mm

Fits on:

YAMAHA WR 450 F (CJ04) 450 2004

YAMAHA WR 450 F (CJ04) 450 2003

YAMAHA WR 450 F (CJ07) 450 2005

YAMAHA WR 450 F (CJ09) 450 2006

YAMAHA WR 450 F (CJ12) 450 2007

YAMAHA WR 450 F (CJ13) 450 2011

YAMAHA WR 450 F (CJ13) 450 2010

YAMAHA WR 450 F (CJ13) 450 2009

YAMAHA WR 450 F (CJ13) 450 2008

YAMAHA WR 450 F (DJ03) 450 2015

YAMAHA WR 450 F (DJ03) 450 2014

YAMAHA WR 450 F (DJ03) 450 2013

YAMAHA WR 450 F (DJ03) 450 2012

YAMAHA YFZ 450 2WD 450 2009

YAMAHA YFZ 450 2WD 450 2008

YAMAHA YFZ 450 2WD 450 2007

YAMAHA YFZ 450 2WD 450 2006

YAMAHA YFZ 450 2WD 450 2005

YAMAHA YFZ 450 2WD 450 2004

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2009

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2008

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2007

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2006

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2005

YAMAHA YFZ 450 SPECIAL EDITION 2WD 450 2004