ENGINE TUNE-UP Page ENGINE OIL 2- 2 COOLING SYSTEM ·..·..·..·..·.. ····2- 3 AIR CLEANER 2- 5 • HEAT CONTROL VALVE 2- 5 DRIVE BELT 2- 4 BATTERY 2- 6 SPARK PLUG ,2- 6 HIGH TENSION CORD 2- 7 DISTRIBUTOR ' 2- 8 VALVE CLEARANCE 2-10 CARBURETOR 2-11 INITIAL IDLE SPEED 2-12 FAST IDLE 2-14 THROTTLE POSITIONER 2-14 COMPRESSION PRESSURE 2-15