Specifications - Yamaha RS Venture RST90Y Owner's Manual

Specifications

ESU12466
Dimensions:
Overall length:
3135 mm (123.4 in)
Overall width:
1225 mm (48.2 in)
Overall height:
1330 mm (52.4 in)
Dry weight:
293.0 kg (646 lb)
Ski stance:
1086 mm (42.8 in)
Engine:
Type:
Liquid cooled 4-stroke, 12 valves
Cylinder arrangement:
Backward-inclined parallel 3-cylinder
Displacement:
973.0 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
Type:
YAMALUBE 4 0W-30, SAE 0W-30
Carburetor:
Manufacturer:
KEIHIN
Model × quantity:
CVK40 × 3
Fuel:
Type:
REGULAR UNLEADED GASOLINE
ONLY
Minimum pump octane (R+M)/2:
86
Starting system:
Electric starter
Chassis:
Drive track:
Material:
Molded rubber, fiberglass-rod reinforced
Type:
Internal drive type
72
Width:
381 mm (15.0 in)
Deflection:
30.0–35.0 mm (1.18–1.38 in)
Length on ground:
985 mm (38.8 in)
Rear suspension:
Type:
Slide rail suspension
Track sprocket wheel:
Material:
Polyethylene
Number of teeth:
9
Transmission:
Clutch type:
Automatic centrifugal engagement
Overall reduction ratio:
6.74–1.77 :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.):
3000–3400 r/min
Shift speed [Subject to change according to
elevation settings. Usually achieved after
approximately 800 m (0.5 mi) traveled.]:
8250–8750 r/min
Drive chain type:
Silent chain enclosed in oil bath
Drive chain housing oil:
Type:
SAE 75W or 80W API GL-3 Gear oil
Capacity:
0.25 L (0.26 US qt, 0.22 Imp.qt)
Reverse system:
Yes
Primary reduction ratio:
3.80–1.00 :1
Secondary reduction ratio:
39/22 (1.77)
Secondary reduction ratio [R]:
2.27
Fuel tank capacity:
39.3 L (10.38 US gal, 8.65 Imp.gal)
Engine oil quantity:
With oil filter cartridge replacement:
3.0 L (3.17 US qt, 2.64 Imp.qt)