6. CYLINDER HEAD/VALVES STRYKER 125/150 SERVICE INFORMATION GENERAL INSTRUCTIONS · A engine stand or floor jack is required to support and maneuver the engine. · A engine stand or floor jack is required to support and maneuver the engine. · The following parts can be serviced with the engine installed in the frame: Cylinder head/valves (Section 6) Cylinder/piston (Section 7) Starter motor/generator/left crankcase cover/starter clutch/camshaft (Section 8) Clutch/gear shift mechanism (Section 9) · When removing and installing the engine, do not use a hammer or screw driver to strike or pry the engine. · Do not damage the crankcase mating surfaces and clean off all gasket materials from the mating surfaces. · After crankcase assembly, check that the transmission system operates smoothly. · After engine installation, start the engine and check that the lubrication system is normal. TORQUE VALUES Engine upper bracket bolt 3.54.5kg-m Engine hanger bolt 3.54.5kg-m Drive gear lock bolt 0.81.2kg-m Exhaust muffler hanger lock bolt 2.43.0kg-m Rear fork pivot nut 5.56.5kg-m Exhaust muffler joint lock nut 0.81.2kg-m 6-1