Suzuki drz 400 2007 User Manual

CYLINDER
CYLINDER DISTORTION
Check the gasket surface of the cylinder block for distortion us-
ing a straightedge and thickness gauge. Take clearance read-
ings at several places. If any clearance reading exceeds the ser-
vice limit. replace the cylinder block with a new one.
S 09900-20803: Thickness gauge
_ Cylinder distortion
Service Limit: 0.05 mm (0.002 in)
CYLINDER
BORE
In spect the cylinder wall for any scratches, nicks or other dam-
age. Measure the cylinder bore diameter at six places.
S 09900-20508: Cylinder gauge set
_ Cylinder bore
Standard: 90.000 - 90.015 mm (3.5433 - 3.5439 in)
PISTON AND PISTON RING
PISTON DIAMETER
Measure the piston diameter using the micrometer at 15 mm
(0.6 in) from the skirt end.
If the piston diameter is less than the service limit, replace the
piston with a new one.
cmJ 09900-20204: Micrometer (75 - 100 mm)
_ Piston diameter
Service Limit:
89.880 mm (3.5386 in)
ENGINE 3-33
15 mrn
(06 in)
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Suzuki drz 400 2007 Specifications

General

Year	2007
Manufacturer	Suzuki
Model	DR-Z400
Category	Dual-sport
Displacement	398 cc
Bore x Stroke	90.0 mm x 62.6 mm
Compression Ratio	11.3:1
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Front Brakes	Single disc
Rear Brakes	Single disc
Front Tire	80/100-21
Rear Tire	120/90-18
Seat Height	935 mm (36.8 in)
Fuel System	Mikuni BSR36 carburetor
Ignition	CDI
Rear Suspension	Link type, coil spring, oil damped
Ground Clearance	300 mm
Wheelbase	1, 485 mm
Fuel Capacity	10.0 L (2.6 US gal)
Engine Type	Single-cylinder, four-stroke