Suzuki GSF1250 Service Manual

Engine Electrical Devices: 1C-7
Specifications
Service Data
B718H11307001
FI Sensors
Item Specification Note
CKP sensor resistance 90 – 150 Ω
CKP sensor peak voltage 2.0 V and more When cranking
IAP sensor input voltage (No.1) 4.5 – 5.5 V
IAP sensor output voltage (No.1) Approx. 2.7 V at idle speed
IAP sensor input voltage (No.2) 4.5 – 5.5 V
IAP sensor output voltage (No.2) 2.0 – 3.0 V at idle speed
TP sensor input voltage 4.5 – 5.5 V
TP sensor output voltage
Closed Approx. 1.1 V
Opened Approx. 4.3 V
ECT sensor input voltage 4.5 – 5.5 V
ECT sensor output voltage 0.15 – 4.85 V
ECT sensor resistance Approx. 2.45 kΩ at 20 °C (68 °F)
IAT sensor input voltage 4.5 – 5.5 V
IAT sensor output voltage Approx. 2.4 V at 20 °C (68 °F)
IAT sensor resistance Approx. 2.56 kΩ at 20 °C (68 °F)
TO sensor resistance 16.5 – 22.3 kΩ
TO sensor voltage
Normal 0.4 – 1.4 V
Leaning 3.7 – 4.4 V When leaning 65°
GP switch voltage 0.6 V and more From 1st to Top
Injector voltage Battery voltage
Ignition coil primary peak voltage 80 V and more When cranking
STP sensor input voltage 4.5 – 5.5 V
STP sensor output voltage
Closed Approx. 0.6 V
Opened Approx. 4.5 V
STV actuator resistance Approx. 7.0 Ω
ISC valve resistance Approx. 20 Ω at 20 °C (68 °F)
HO2 sensor resistance Approx. 8 Ω at 23 °C (73 °F)
HO2 sensor output voltage
0.3 V and less at idle speed
0.6 V and more at 3 000 r/min
PAIR control solenoid valve
resistance
18 – 22 Ω at 20 – 30 °C (68 – 86 °F)
EVAP purge control valve Approx. 32 Ω at 20 °C (68 °F)

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