APPLICATION: HONDA CRF 450 R 13-16
PROFILE CHARACTERISTICS:
HIGH
PERFORMANCE PROFILE designed for TT and MOTOCROSS applications.
This
profile provides great increase throttle response and mid end: high lift
combined with a middle duration increases torque and maintain good increases in
top end as well.
Requires
Exhaust System, High Compression Piston, and Performance Valve Spring Kit.
Check ALL clearances!
Larger
diameter lifters are required.
Web Cams item code: 59-002
Profile: 493 / 1081
INTAKE EXHAUST
Valve Lash (Inch): .006" .009"- .0011”
Valve Lift (Inch): 0.415 0.317
Valve Lift (mm): 10.54 8.05
Advertised Duration: 276° 281°
Duration @ 0.050": 252° 243°
Lobe Center: 110° 104° Overall 107°
OPENING: 16°
before TDC 45.5° before BDC
CLOSING: 56°
after BDC 17.5° after TDC