Suzuki GSF1250 Service Manual

3A-10 Drive Chain / Drive Train / Drive Shaft:
3) Adjust the drive chain slack, after connecting it.
Refer to “Drive Chain Inspection and Adjustment in
Section 0B (Page 0B-15)”.
Specifications
Service Data
B718H13107001
Drive Chain
Unit: mm (in)
Tightening Torque Specifications
B718H13107002
NOTE
The specified tightening torque is also described in the following.
“Drive Chain Related Components (Page 3A-1)”
Reference:
For the tightening torque of fastener not specified in this section, refer to “Tightening Torque Specifications in Section
0C (Page 0C-7)”.
“a”
I649G1310036-03
Item Standard Limit
Final reduction ratio 2.388 (43/18) —
Drive chain
Type RK GB50GSVZ3 —
Links 118 links —
20-pitch length — 319.4 (12.57)
Drive chain slack (on center stand) 20 – 30 (1.8 – 2.2) —
Fastening part
Tightening torque
Note
N⋅mkgf-mlb-ft
Engine sprocket nut 115 11.5 83.0 )(Page 3A-3)
Speed sensor rotor bolt 25 2.5 18.0 )(Page 3A-3)
Speed sensor bolt 6.5 0.65 4.7 )(Page 3A-3)
Rear sprocket nut 60 6.0 43.5 )(Page 3A-5)

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