Suzuki GW250 User Manual

3-34 ENGINE
CAMSHAFT
CAM WEAR
• Check the camshaft for wear or damage.
• Measure the cam height H with the micrometer. Replace a
camshaft if the cams are worn to the service limit.
 Cam height H:
Service Limit: (IN.) : 33.04mm (1.301 in)
(EX.) : 32.75 mm (1.289 in)
 09900-20202: Micrometer (25 – 50 mm)
CAMSHAFT JOURNAL WEAR
• Determine whether or not each journal is worn down to the
limit by measuring the oil clearance with the camshaft
installed in place.
• Use the plastigage to read the clearance at the widest portion,
which is specified as follows:
 Camshaft journal oil clearance:
Service Limit: 0.150 mm (0.0059 in)
 09900-22301: Plastigage (0.025 – 0.076 mm)
09900-22302: Plastigage (0.051 – 0.152 mm)
• Install the camshaft journal holders and tighten the camshaft
journal holder bolts in ascending order of numbers to the
specified torque. (3-90)
NOTE:
Do not rotate the camshaft with the plastigage in place.
 Camshaft journal holder bolt:
10 N·m (1.0 kgf-m, 7.0 lbf-ft)
• Remove the camshaft journal holders and measure the width
of the compressed plastigage using the envelope scale. This
measurement should be taken at the widest part of the com-
pressed plastigage.

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)