Suzuki drz 400E Service Manual

DR-Z400/E
99500-43022-01E

Suzuki drz 400E Specifications

General

Displacement	398 cc
Compression Ratio	12.2:1
Ignition	Electronic ignition (CDI)
Transmission	5-speed constant mesh
Rear Suspension	Link type, coil spring, oil damped
Front Tire	80/100-21
Rear Tire	110/100-18
Engine Type	4-stroke, DOHC
Bore x Stroke	90.0 mm x 62.6 mm
Fuel System	Mikuni BSR36 carburetor
Front Brakes	Disc
Rear Brakes	Disc
Fuel Tank Capacity	10.0 L (2.6 US gallons)
Overall Width	825mm (32.5 inches)
Ground Clearance	315 mm (12.4 in)
Seat Height	935 mm (36.8 in.)
Curb Weight	138 kg (304 lbs)
Dry Weight	119 kg (262 lbs.)

Summary

GENERAL INFORMATION

FUEL, OIL, AND ENGINE COOLANT RECOMMENDATIONS

Specifies recommended fuels, oils, and coolants for the motorcycle.

BREAK-IN PROCEDURES

Recommended engine break-in procedures and throttle positions.

SPECIFICATIONS

Technical specifications including dimensions, mass, engine, and transmission.

PERIODIC MAINTENANCE

PERIODIC MAINTENANCE CHART

A chart detailing maintenance items and their required intervals (inspect, replace, tighten).

AIR CLEANER INSPECTION AND CLEANING

Procedure for inspecting and cleaning the air cleaner element.

ENGINE OIL AND OIL FILTER REPLACEMENT

Procedure for changing engine oil and replacing the oil filter.

BRAKE FLUID REPLACEMENT

Procedure for replacing brake fluid and bleeding the brake system.

ENGINE

ENGINE REMOVAL AND REMOUNTING

Steps for removing and remounting the engine from the frame.

VALVE GUIDE SERVICING

Procedures for removing, installing, and refinishing valve guides.

CAMSHAFT + CYLINDER HEAD

Specifications and inspection procedures for camshafts and cylinder heads.

FUEL AND LUBRICATION SYSTEM

CARBURETOR CONSTRUCTION

Diagram and list of components for the carburetor assembly.

CARBURETOR CLEANING

Detailed procedures for cleaning carburetor components using chemicals and compressed air.

FLOAT SYSTEM

Explanation of the float and needle valve's function in maintaining fuel level.

COOLING SYSTEM

ENGINE COOLANT SPECIFICATIONS

Recommended engine coolant type, mixture ratio, and capacity.

RADIATOR INSPECTION

Procedure for checking the cooling system for leaks and inspecting the radiator.

CHASSIS

FRONT WHEEL CONSTRUCTION

Construction details and specifications for the front wheel assembly.

FRONT FORK REASSEMBLY AND REMOUNTING

Procedure for reassembling and remounting the front fork components.

REAR SUSPENSION CONSTRUCTION

Construction details and specifications for the rear suspension components.

REAR SHOCK ABSORBER OIL REPLACEMENT PROCEDURE

Detailed steps for replacing the oil in the rear shock absorber.

ELECTRICAL SYSTEM

USING THE MULTI CIRCUIT TESTER

Proper usage instructions for the multi circuit tester and safety precautions.

CHARGING SYSTEM (DR-Z400E) DESCRIPTION

Description of the charging system's components and operation.

IGNITION SYSTEM (DR-Z400) DESCRIPTION

Description of the capacitor discharge ignition system and troubleshooting.

SERVICING INFORMATION

TROUBLESHOOTING ENGINE

Troubleshooting engine performance problems like hard starting or stalling.

TROUBLESHOOTING CHASSIS

Troubleshooting common chassis problems like heavy steering or wobbles.

SPECIAL TOOLS

List and illustrations of special tools required for servicing.

SERVICE DATA VALVE + GUIDE

Detailed service data including measurements and limits for valve and guide components.

SPECIFICATIONS

DIMENSIONS AND DRY MASS

Physical dimensions and dry mass specifications for the motorcycle.

ENGINE SPECIFICATIONS

Engine specifications including type, bore, stroke, and displacement.

PERIODIC MAINTENANCE SCHEDULE (For E-24)

Recommended maintenance intervals for the E-24 model.