Suzuki GSF1250 Service Manual

1A-1 Engine General Information and Diagnosis:
Engine
Engine General Information and Diagnosis
General Description
Injection Timing Description
B718H11101001
Injection Time (Injection Volume)
The factors to determine the injection time include the basic fuel injection time, which is calculated on the basis of the
intake air pressure, engine speed and throttle opening angle, and various compensations. These compensations are
determined according to the signals from various sensors that detect the engine and driving conditions.
I718H1110268-03

Suzuki GSF1250 Specifications

General

Displacement	1255 cc
Bore x Stroke	79.0 mm x 64.0 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Transmission	6-speed, constant mesh
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	180/55ZR17M/C (73W), tubeless
Overall Length	2130 mm
Overall Width	790 mm
Seat Height	805 mm
Wheelbase	1485 mm
Fuel Tank Capacity	19.0 L
Starter	Electric
Final Drive	Chain
Ignition	Electronic ignition (transistorized)
Engine Type	4-stroke, liquid-cooled, DOHC
Ground Clearance	135 mm