Spark Plug - HYOSUNG GT 650 Service Manual

2-5 PERIODIC MAINTENANCE

SPARK PLUG

Inspect Interval
Clean Initial 1,000 km and Every 6,000 km,
Replace Every 12,000 km.
● Remove the three radiator mounting bolts.
WARNING
The hot radiator and the hot engine can burn
you. Wait until the radiator and the engine are
cool enough to touch.
CAUTION
Be careful not to damage the radiator fins.
Do not extract the radiator hose.
● Remove the fuel tank.
● Disconnect the spark plug caps.
● Remove the spark plugs.
TYPE SPARK PLUG SPECIFICATION
Hot type
Standard type
Cold type
Remove the carbon deposit with wire or pin and adjust
the spark plug gap to 0.7�0.8 mm(0.028~0.032 in),
measuring with a thickness gauge.
Spark plug gap
Thickness gauge : 09900 - 20806
CR7E
CR8E
CR9E
0.7�0.8 mm (0.028~0.032 in)