Specifications - Yamaha WR 155 Owner's Manual

Dimensions:
Overall length:
2145 mm (84.4 in)
Overall width:
840 mm (33.1 in)
Overall height:
1200 mm (47.2 in)
Seat height:
880 mm (34.6 in)
Wheelbase:
1430 mm (56.3 in)
Ground clearance:
245 mm (9.65 in)
Minimum turning radius:
2.4 m (7.87 ft)
Weight:
Curb weight:
134 kg (295 lb)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train:
SOHC
Number of cylinders:
Single cylinder
Displacement:
155 cm3
Bore × stroke:
58.0 × 58.7 mm (2.28 × 2.31 in)
Starting system:
Electric starter
Engine oil:
Recommended brand:
SAE viscosity grades:
10W-40
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Oil change:
0.85 L (0.90 US qt, 0.75 Imp.qt)
With oil filter removal:
0.95 L (1.00 US qt, 0.84 Imp.qt)
Coolant quantity:
Coolant reservoir (up to the maximum level
mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
0.60 L (0.63 US qt, 0.53 Imp.qt)
Fuel:
Recommended fuel:
Unleaded gasoline only
Octane number (RON):
90
Fuel tank capacity:
8.1 L (2.1 US gal, 1.8 Imp.gal)
Fuel reserve amount:
1.6 L (0.42 US gal, 0.35 Imp.gal)
Fuel injection:
Throttle body:
ID mark:
BK61 00
9-1

Specifications

Drivetrain:
Gear ratio:
1st:
2.833 (34/12)
2nd:
1.875 (30/16)
3rd:
1.364 (30/22)
4th:
1.143 (24/21)
5th:
0.957 (22/23)
6th:
0.840 (21/25)
Front tire:
Type:
With tube
Size:
2.75-21 45P
Manufacturer/model:
IRC/TRAILS GP-21F
Rear tire:
Type:
With tube
Size:
4.10-18 59P
Manufacturer/model:
IRC/TRAILS GP-22R
Loading:
Maximum load:
160 kg (353 lb)
9