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Cylinder head machining
Std spring is a progressive rate from
The exhaust is intentionally mounted inboard of the passenger footpegs and OEM muffler bracket for maximum protection and clearance from optional side carry bags
1 ECU flash variation is specifically calibrated to run with a vented airbox lid
Fine-tune mapping for your riding style or terrain
CRF450L CRF450RL PAIR VALVE BLOCK OFF KIT . PAIR VALVE DELETE. AIS DELETE Rapid Bike Cylinder head machiningHonda > CRF 450 L RL > 2019 2025 Honda > CRF 450 X > 2019 2025 The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. This system is designed to improve
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