Suzuki GW250 User Manual

7-12 COOLING AND LUBRICATION SYSTEM
• Keep on heating the water to raise its temperature.
• Just when the water temperature reaches specified value, the
thermostat valve should have lifted by at least 4.5 mm (0.18
in).
 Thermostat valve lift A:
Standard: 4.5 mm and over at 100 °C
(0.18 in and over at 212 °F)
• A thermostat failing to satisfy either of the two requirements
(start-to-open temperature and valve lift) must be replaced.
INSTALLATION
• Install the thermostat 1 and connector cap 2.
• Temporarily tighten the connector cap bolts 3 and then
tighten them.
 Thermostat connector cap bolt:
10 N·m (1.0 kgf-m
, 7.0 lbf-ft )
• Pour engine coolant. (2-15)
• Bleed air from the cooling circuit. (2-16)

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)