NGK Racing bougie - R6252K-105 Forged aluminium shaft

Forged aluminium shaft

Yamaha YZ65 18-21 YZ85 15-21

the new model on Polisport's new handguard generation

Yoshimura developed the RS-12 to optimize the power on the new CRF250R and enable it to have the most bottom and mid power and provide maximum overrev to give the best possible power curve for Supercross and Motocross racing

NGK Racing bougie - R6252K-105 Forged aluminium shaftThe Racing Spark Plug intended for competition should be able to resist to extreme conditions: Repeated acceleration and deceleration with power Intensive engine operating on high rev. Extreme condition inside combustion chamber such as temperature variation, pressure, vibration and turbulences cannot be sustained by a standard spark plug.