Suzuki 2009 LT-R450 - Page 40

LT-R450/ZK9 (’09-MODEL) 39
DRIVE TRAIN + DRIVE CHAIN Unit: mm (in) Except ratio
THERMOSTAT + RADIATOR + FAN + COOLANT
ITEM STANDARD LIMIT
Primary reduction ratio 2.851 (77/27) —
Final reduction ratio 2.571 (36/14) —
Gear ratios Low 2.076 (27/13) —
2nd 1.647 (28/17) —
3rd 1.333 (28/21) —
4th 1.095 (23/21) —
Top 0.913 (21/23) —
Shift fork to groove clearance 0.1 – 0.3
(0.004 – 0.012)
0.5
(0.020)
Shift fork groove width No.1, No.2
& No.3
4.8 – 4.9
(0.189 – 0.193)
—
Shift fork thickness No.1, No.2
& No.3
4.8 – 4.9
(0.189 – 0.193)
—
Drive chain Type RK 520SMOZ10S —
Links 96 —
20-pitch
length
—
319.4
(12.57)
Drive chain slack 45 – 55
(1.8 – 2.2)
—
Gearshift lever height 5 – 10
(0.2 – 0.4)
—
ITEM STANDARD/SPECIFICATION NOTE
Thermostat valve opening temper-
ature
Approx. 76.5 °C (169.7 °F) —
Thermostat valve lift 4.5 mm (0.18 in) and over at 90 °C (194 °F) —
ECT sensor resistance 20 °C
(68 °F)
Approx. 2.6 kΩ —
50 °C
(122 °F)
Approx. 0.772 kΩ —
80 °C
(176 °F)
Approx. 0.279 kΩ —
110 °C
(230 °F)
Approx. 0.118 kΩ —
Radiator cap valve opening pres-
sure
108 – 137 kPa
(1.08 – 1.37 kgf/cm², 15.4 – 19.5 psi)
—
Cooling fan operating temperature
OFF → ON Approx. 98 °C (208 °F) —
ON → OFF Approx. 93 °C (199 °F) —
Engine coolant type Use an antifreeze/coolant compatible with alumi-
num radiator, mixed with distilled water only, at the
ratio of 50:50.
—
Engine coolant including reserve Approx. 1 400 ml
(1.5 – 1.2 US/lmp qt)
—