Specifications - Yamaha GCH I 237 Owner's Manual

ESU1246F
Dimensions:
Overall length:
3260 mm (128.3 in) (RUS)
3270 mm (128.7 in) (FIN)(SWE)
Overall width:
1165 mm (45.9 in) (FIN)(SWE)
1215 mm (47.8 in) (RUS)
Overall height:
1420 mm (55.9 in)
Weight:
Mass in running order:
388.0 kg (855 lb)
Ski stance:
990 mm (39.0 in)
Engine:
Type:
Liquid cooled 4-stroke, 12 valves
Cylinder arrangement:
Inline 3-cylinder
Displacement:
973 cm³
Bore × stroke:
79.0 × 66.2 mm (3.11 × 2.61 in)
Idling speed:
1300–1500 r/min
Engine oil:
Recommended grade:
API service SG type or higher, JASO
standard MA
Recommended brand:
YAMALUBE
Type:
SAE 0W-30
Carburetor:
Model × quantity:
CVK40 × 3
Fuel:
Recommended fuel:
Min 91 RON UNLEADED GASOLINE
ONLY (RUS)
Min 95 RON UNLEADED GASOLINE
ONLY (FIN)(SWE)
Minimum research octane:
91 (RUS)
95 (FIN)(SWE)
Starting system:
Electric starter

Specifications

Noise level and vibration level:
Noise level (77/311/EEC):
87 dB(A)@4250 r/min (FIN)(SWE)
A-weighted sound power level:
99 dB(A)@4250 r/min (FIN)(SWE)
Vibration on seat (EN1032, ISO 5008):
Not exceed 0.5 m/s² (FIN)(SWE)
Vibration on handlebar (EN1032, ISO 5008):
Not exceed 2.5 m/s² (FIN)(SWE)
Chassis:
Drive track:
Material:
Molded rubber, fiberglass-rod reinforced
Type:
Extrovert drive type
Width:
500 mm (19.7 in)
Deflection:
30.0–35.0 mm (1.18–1.38 in)
Length on ground:
1104 mm (43.5 in)
Rear suspension:
Type:
Slide rail suspension
Track sprocket wheel:
Material:
Polyethylene
Number of teeth:
7
Transmission:
Clutch type:
Automatic centrifugal engagement
Overall reduction ratio:
7.60–2.00 : 1
Overall reduction ratio [L]:
10.16–2.67 : 1
Sheave distance:
267.0–270.0 mm (10.51–10.63 in)
Sheave offset:
13.5–16.5 mm (0.53–0.65 in)
Engagement speed (Subject to change
according to elevation settings.):
2200–2600 r/min
Shift speed [Subject to change according to
elevation settings. Usually achieved after
approximately 800 m (0.5 mi) traveled.]:
8000–8750 r/min
Drive chain type:
Silent chain enclosed in oil bath
81