2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 31Get this manual
ENGINE SPECIFICATIONS Item Balancer Balancer drive method Clutch Friction plate (inside dia 104.5105.5 mm) Thickness Quantity Friction plate (inside dia 104.5105.5 mm) Thickness Quantity Clutch plate Thickness Quantity Maxwarpage Clutch spring Free length Quantity Clutch release method Push rod bending limit Transmission Main axle runout limit Drive axle runout limit Main axle assembly width Shifter Shifter type Maxshift fork guide bar bending Air filter oil grade Gear Standard