Spark Plug, Crankcase Ventilation, Fuel Line and Exhaust
Spark Plug, Crankcase Ventilation, Fuel Line and ExhaustSPARK PLUG
1. Remove spark plugs
2. Inspect:
• Electrode (1) for wear/damage.
• Insulator color (2)
3. Measure the plug gap (3) using a Wire Gauge or Feeler Gauge. Regap as reqired.
Plug Gap: 0.6 - 0.7 mm (0.024 - 0.028 in)
Clean the plug with a spark plug cleaner if necessary.
Standard Spark Plug: DR8ES-L (NGK) X24ESR-U (NIPPONDENSO)
Before installing a spark plug, clean the gasket surface and plug surface.
4. Tighten Spark plug(s) to 17.5 Nm (1.75 m-kg, 12.5 ft-lb)
NOTE:
Finger-tighten the spark plug(s) before torquing to specification.
CRANKCASE VENTILATION SYSTEM
1. Inspect the crankcase ventilation hose (1). Replace damaged hoses.
FUEL LINE
1. Inspect:
• Fuel hose (1)
• Vacuum hose (2)
Replace damaged hoses.
INTAKE MANIFOLD
1. Tighten:
• Carburetor clamps
• Carburetor joint bolts
2. Inspect:
• Carburetor joint
• Gaskets
Replace if necessary.
EXHAUST SYSTEM
1. Inspect:
•Exhaust pipe gasket(s) (1)
• Muffler clamp gasket(s) (2)
Damage > Replace.
Exhaust gas leakage > Repair.
2. Tighten:
• Exhaust pipe bolts
• Muffler bolts
Exhaust Pipe Flange (3) :10 Nm(1.0m-kg, 7.2ft-b)
Exhaust Pipe Clamp (4) :20 Nm (2.0 m-kg, 14 ft-lb)
Exhaust Chamber Mount (5): 25 Nm (2.5 m-kg, 18 ft-lb)
Muffler Clamp (6): 20 Nm (2.0 m-kg, 14 ft-lb)
Muffler Bracket (7) 20 Nm (2.0 m-kg, 14 ft-lb)