Suzuki drz 400 2002 Service Manual

2- 10 PERIODIC MAINTENANCE
SPARK PLUG INSTALLATION
ACAUTION !
To avoid damaging the cylinder head threads ; first , fin-
ger tighten the spark plug , and then tighten it to the
specified torque using the spark plug wrench.
• Inserl the spark plug and finger lighten illo Ihe cylinder head,
and t hen t ighten it to the specified torquG.
C!l Spark plug: 11 N·m (1 .1 kgf-m , 8.0 Ib-It)
SPARK ARRESTER (FOR E-03, 28 , 33)
Clean every 6 000 km (4 000 miles , 6 months).
• Remove the spark arrester.
• Remove the carbon deposits from spark arrester and muffler.
• Tighten the spark arrester bolts to the specified torque.
(I) Spark arrester bolt : 11 N·m 11 .1 kgf -m. 8.0 Ib - It)
FUEL LINE
Inspect every 6 000 km (4 000 miles, 6 months) .
Replace every f our years.
Inspect the fuel hose for damage and fuel leakage. If any dam-
ages are found, replace the fuel hoses with new ones.
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Suzuki drz 400 2002 Specifications

General

Displacement	398 cc
Bore x Stroke	90.0 mm x 62.6 mm
Compression Ratio	11.3:1
Cooling System	Liquid-cooled
Fuel System	Mikuni BSR36 carburetor
Starter	Electric
Transmission	5-speed constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	80/100-21
Seat Height	935 mm (36.8 in)
Ground Clearance	300 mm (11.8 in)
Wheelbase	1, 485 mm (58.5 in)
Dry Weight	119 kg (262 lbs)
Engine Type	4-stroke, single cylinder, DOHC
Ignition	CDI
Front Brakes	Disc
Rear Brakes	Disc
Rear Tire	120/90-18
Fuel Capacity	10.0 L (2.6 US gal)