Suzuki GSF1250 Service Manual

1H-11 Ignition System:
Specifications
Service Data
B718H11807001
Electrical
Unit: mm (in)
Tightening Torque Specifications
B718H11807002
Reference:
For the tightening torque of fastener not specified in this section, refer to “Tightening Torque Specifications in Section
0C (Page 0C-7)”.
Special Tools and Equipment
Special Tool
B718H11808001
Item Specification Note
Firing order 1 ⋅ 2 ⋅ 4 ⋅ 3
Spark plug
Type
NGK: CR7E
DENSO: U22ESR-N
Gap
0.7 – 0.8
(0.028 – 0.031)
Spark performance Over 8 (0.3) at 1 atm.
CKP sensor resistance 90 – 150 Ω
CKP sensor peak voltage 2.0 V and more
Ignition coil resistance
Primary 1.1 – 1.9 Ω Terminal – Terminal
Secondary 10.8 – 16.2 kΩ Plug cap – Terminal
Ignition coil primary peak voltage 80 V and more When cranking
Fastening part
Tightening torque
Note
N⋅mkgf-mlb-ft
Spark plug 11 1.1 8.0 )(Page 1H-4)
Steering stem head nut 65 6.5 47.0 )(Page 1H-10)
Front fork upper clamp bolt 23 2.3 16.5 )(Page 1H-10)
Handlebar holder set nut 45 4.5 32.5 )(Page 1H-10)
09900–25008 09900–25009
Multi-circuit tester set Needle pointed probe set
)(Page 1H-6) / )(Page 1H-
7) / )(Page 1H-7) /
)(Page 1H-9)
)(Page 1H-6)
09930–10121
Spark plug wrench set
)(Page 1H-4) / )(Page 1H-
4)

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