Fuel Hose; Engine Idle Speed - Suzuki GZ250 Marauder Service Manual

2-7 PERIODIC MAINTENANCE
Check the spark plug for burns. If any abnormalities are
found, replace the spark plug as indicated below.
NGK
DR7EA
DR8EA
DR9EA
CAUTION
Confirm the thread size and reach when replacing
the spark plug. If the reach is too short, carbon
will be deposited on the screw portion of the plug
hole and engine damage may result.
CAUTION
Before using a spark plug wrench, carefully turn
the spark plug by finger into the threads of the
cylinder head to prevent damage.
• Tighten the spark plug to the specified torque using the
special tool.
Spark plug: 18 N-m (1.8 kg-m, 13.0 Ib-ft)
09930-10121: Spark plug socket wrench set

FUEL HOSE

Inspect every 5 000 km (3 000 miles, 15 months).
Replace every 4 years.

ENGINE IDLE SPEED

Inspect initially at 1 000 km (600 miles, 3 months)
and every 5 000 km (3 000 miles, 15 months) there-
after.
• Adjust the throttle cable play. (See p. 2-8.)
• Warm up the engine.
NOTE:
Make this adjustment when the engine is hot.
• Connect an electric tachometer to the high tension cord.
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DENSO
Remarks
X22ESR-U
If the standard spark plug is
apt to get wet, replace wit h
this plug.
X24ESR-U Standard
X27ESR-U
If the standard spark plug is
apt to overheat, replace wit h
this plug.
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