Suzuki drz 400 2002 Service Manual

• First, install a spacer CD into the oil ring groove, and then in-
stall the two side rails ®. The spacer and side rails do not
have a designated top and bottom. They can
be installed in
any position.
I A CAUTION !
When installing the spacer, be careful not to allow its
two ends to overlap in the groove.
~ INCORRECT
[§] CORRECT
• Position the piston ring gaps as shown. Before inserting the
piston into its cylinder, check that the gaps are properly posi-
ti on ed .
@ Exhaust s id e
® Intake side
@ 2 nd ri ng a nd lower si de ra il
@ Upper si de rail
® 1 st ri ng and spacer
PISTON AND CYLINDER
Install the piston and cylinder in the reverse order of removal
NOTE:
Install t
he pis ton with the punch mark on the piston head facing
toward the exhaust side.
• A pp ly molybdenum oil solution onto the piston pin.
• Apply molybdenum oil solution to t he small end of the conrod.
• Pl ace a clean rag over the cylinder base to prevent the piston
pin circlip from dropping into the crankcase, and then fit the
piston pin circlip with long-nose pliers.
[A CAUTiON]
Use a new piston pin circlip to prevent circlip failure
with a bent one .
• A pp ly engine oi l to the sliding surface of the piston and big
end of the conrod.
ENGINE 3-59
-
,. ----- L.
®
®
®
CD
®
http://www.motorcycle.in.th

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)