3. INSPECTION/ADJUSTMENT STRYKER 125/150 THROTTLE OPERATION Check for smooth throttle grip movement in all steering positions. Measure the throttle grip free play. Free Play: 26mm Adjust the throttle grip free play by turning Dust Boot Adjusting Nut the adjusting nut on the throttle cable. Slide the dust boot out and adjust by loosening the lock nut and turning the adjusting nut. Lock Nut VALVE CLEARANCE Inspect and adjust valve clearance while the engine is cold (below 35). Remove the four cylinder head cover nuts and the cylinder head cover. Cylinder Head Cover 3-11