Suzuki GW250 User Manual

PERIODIC MAINTENANCE 2-1
2
PERIODIC MAINTENANCE
CONTENTS
PERIODIC MAINTENANCE SCHEDULE .................................................... 2- 2
PERIODIC MAINTENANCE CHART..................................................... 2- 2
LUBRICATION POINTS ........................................................................ 2- 3
MAINTENANCE AND TUNE-UP PROCEDURES ....................................... 2- 4
AIR CLEANER....................................................................................... 2- 4
EXHAUST PIPE BOLTS AND MUFFLER BOLTS ............................... 2- 5
SPARK PLUGS ..................................................................................... 2- 6
VALVE CLEARANCE............................................................................ 2- 8
ENGINE OIL AND OIL FILTER ............................................................. 2-11
FUEL LINE............................................................................................. 2-12
PAIR (AIR SUPPLY) SYSTEM.............................................................. 2-13
THROTTLE CABLE PLAY .................................................................... 2-13
ENGINE IDLE SPEED ........................................................................... 2-13
CLUTCH CABLE PLAY ........................................................................ 2-14
COOLING SYSTEM............................................................................... 2-15
DRIVE CHAIN........................................................................................ 2-17
BRAKE .................................................................................................. 2-19
TIRES..................................................................................................... 2-23
STEERING............................................................................................. 2-24
FRONT FORKS ..................................................................................... 2-24
REAR SUSPENSION ............................................................................ 2-24
CHASSIS BOLTS AND NUTS .............................................................. 2-25
COMPRESSION PRESSURE CHECK ........................................................ 2-27
COMPRESSION TEST PROCEDURE .................................................. 2-27
OIL PRESSURE CHECK ............................................................................. 2-28
SDS CHECK................................................................................................. 2-29

Suzuki GW250 Specifications

General

Engine Type	4-stroke, 2-cylinder, liquid-cooled, SOHC
Displacement	248 cc
Bore x Stroke	53.5 mm x 55.2 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (Transistorized)
Starter	Electric
Transmission	6-speed constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Swingarm type, coil spring, oil damped
Front Tire	110/80-17M/C 57H, tubeless
Rear Tire	140/70-17M/C 66H, tubeless
Curb Mass	183 kg (403 lbs)
Front Brakes	Single disc
Rear Brakes	Single disc
Fuel Tank Capacity	13.3 liters
Overall Width	760 mm
Overall Height	1, 075 mm
Wheelbase	1, 430 mm
Ground Clearance	165 mm (6.5 in)
Seat Height	780 mm (30.7 in)
Overall Length	2, 145mm (84.4 inches)