3. INSPECTION/ADJUSTMENT UXV 500 SERVICE INFORMATION GENERAL WARNING ·Before running the engine, make sure that the working area is well-ventilated. Never run the engine in a closed area. The exhaust contains poisonous carbon monoxide gas which may cause death to people. ·Gasoline is extremely flammable and is explosive under some conditions. The working area must be well-ventilated and do not smoke or allow flames or sparks near the working area or fuel storage area. SPECIFICATIONS Throttle grip free play : 35 mm (0.120.2 in) Spark plug gap : 0.80.9 mm (0.0240.028 in) Spark plug: Standard : CR7E (NGK) Valve clearance : IN: 0.1 mm (0.004 in) EX: 0.1 mm (0.004 in) Idle speed : 1500100 rpm Engine oil capacity At disassembly : 3.6 liter (3.17 lmp qt, 3.82 Us qt) At change : 3 liter (2.64 lmp qt, 3.18 Us qt) After draining and oil filter cartridge change: 3.2 liter (2.82 lmp qt, 3.39 Us qt) Front drive gear oil Recommended oil: SAE 80~90 At disassembly: 270 cc (10.6 lmp oz, 10.1 Us oz) At change: 270 cc (10.6 lmp qt, 10.1 Us qt) Rear drive gear oil Recommended oil: SAE 80~90 At disassembly: 250 cc (5.33 lmp oz, 5 Us oz) At change: 250 cc (4.63 lmp qt, 4.33 Us qt) Cylinder compression: 15 kg/cm (1500 kPa, 213 psi) Ignition timing: 5°1°/1500 rpm 3-1