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Suzuki GSF1250 - Page 57

Suzuki GSF1250
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Service Data: 0C-3
Oil Pump
Clutch
Unit: mm (in)
Transmission + Drive Chain
Unit: mm (in) Except ratio
Thermostat + Radiator + Fan + Coolant
Item Standard Limit
Oil pressure (at 60 °C, 140 °F)
100 – 400 kPa (1.0 – 4.0 kgf/cm
2
, 14 – 57 psi)
at 3 000 r/min
Item Standard Limit
Clutch drive plate thickness No.1, 2, 3 3.72 – 3.88 (0.146 – 0.153) 3.42 (0.135)
Clutch drive plate claw width No.1, 2, 3 13.9 – 14.0 (0.547 – 0.551) 13.1 (0.52)
Clutch driven plate distortion 0.10 (0.004)
Clutch spring free length 65.0 (2.56) 61.8 (2.43)
Clutch master cylinder bore 14.000 – 14.043 (0.5511 – 0.5529)
Clutch master cylinder piston diam. 13.957 – 13.984 (0.5495 – 0.5506)
Clutch release cylinder bore 38.18 – 38.23 (1.503 – 1.505)
Clutch release cylinder piston diam. 38.08 – 38.13 (1.500 – 1.501)
Clutch fluid type Brake fluid DOT 4
Item Standard Limit
Primary reduction ratio 1.537 (83/54)
Final reduction ratio 2.388 (43/18)
Gear ratios
1st 3.076 (40/13)
2nd 2.058 (35/17)
3rd 1.550 (31/20)
4th 1.304 (30/23)
5th 1.160 (29/25)
Top 1.071 (30/28)
Shift fork to groove clearance 0.1 – 0.3 (0.004 – 0.012) 0.5 (0.02)
Shift fork groove width 5.0 – 5.1 (0.197 – 0.201)
Shift fork thickness 4.8 – 4.9 (0.189 – 0.193)
Drive chain
Type RK GB50GSVZ3
Links 118 links
20-pitch length 319.4 (12.75)
Drive chain slack (on center stand) 20 – 30 (0.8 – 1.2)
Gearshift lever height 45 – 55 (1.8 – 2.2)
Item Standard/Specification Note
Thermostat valve opening
temperature
Approx. 82 °C (180 °F)
Thermostat valve lift 8 mm (0.31 in) and over at 95 °C (203 °F)
ECT sensor resistance
20 °C
(68 °F)
Approx. 2.45 k
50 °C
(122 °F)
Approx. 0.811 k
80 °C
(176 °F)
Approx. 0.318 k
110 °C
(230 °F)
Approx. 0.142 k
Radiator cap valve opening pressure 93 – 123 kPa (0.93 – 1.23 kgf/cm
2
, 13.2 – 17.5 psi)
Cooling fan operating temperature
OFFON Approx. 105 °C (221 °F)
ONOFF Approx. 100 °C (212 °F)
Engine coolant type
Use an antifreeze/coolant compatible with aluminum radiator,
mixed with distilled water only, at the ratio of 50:50.
Engine coolant
Reservoir
tank side
Approx. 250 ml (0.3/0.2 US/lmp qt)
Engine side Approx. 3 000 ml (3.2/2.6 US/lmp qt)

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