Suzuki GW250 User Manual

FI SYSTEM DIAGNOSIS 4-31
Step 1
CKP sensor signal circuit check
1) Turn the ignition switch OFF.
2) Remove the seat and right frame cover. (8-4 and 8-5)
3) Disconnect the CKP sensor coupler 1 and ECM couplers 2.
4) Check for proper terminal connection to the CKP sensor cou-
pler and ECM couplers.
5) If connections are OK, check the following points.
• Resistance
 09900-25008: Multi circuit tester set
09900-25009: Needle-point probe set
 Tester knob indication: Resistance ()
– Between G wire and B wire of CKP sensor coupler and
ECM coupler: less than 1 
– Between the G wire or B wire and ground: infinity
1
1
1
1

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)