Specifications - Yamaha YZ85 Owner's Manual

Dimensions:
Overall length:
1820 mm (71.7 in) (YZ85, YZ85H)
1900 mm (74.8 in) (YZ85LW, YZ85LWH)
Overall width:
760 mm (29.9 in)
Overall height:
1125 mm (44.3 in) (YZ85, YZ85H)
1155 mm (45.5 in) (YZ85LW, YZ85LWH)
Seat height:
840 mm (33.1 in) (YZ85, YZ85H)
875 mm (34.4 in) (YZ85LW, YZ85LWH)
Wheelbase:
1255 mm (49.4 in) (YZ85, YZ85H)
1285 mm (50.6 in) (YZ85LW, YZ85LWH)
Ground clearance:
330 mm (12.99 in) (YZ85, YZ85H)
360 mm (14.17 in) (YZ85LW, YZ85LWH)
Weight:
Curb weight:
71 kg (157 lb) (YZ85, YZ85H)
73 kg (161 lb) (YZ85LW, YZ85LWH)
Engine:
Combustion cycle:
2-stroke
Cooling system:
Liquid cooled
Number of cylinders:
Single cylinder
Displacement:
85 cm³
Bore × stroke:
47.5 × 47.8 mm (1.87 × 1.88 in)
Compression ratio:
8.1 : 1
Starting system:
Kickstarter
Lubrication system:
Premix lubrication
Engine oil:
Engine oil:
YAMALUBE 2R
Recommended brand:
YAMALUBE
Transmission oil:
Type:
Motor oil SAE 10W-30 type SE or higher or
Gear oil SAE 85W GL-3
Quantity:
0.51 L (0.54 US qt, 0.45 Imp.qt)

Specifications

Coolant quantity:
Radiator (including all routes):
0.54 L (0.57 US qt, 0.48 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Premium unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity:
5.0 L (1.3 US gal, 1.1 Imp.gal)
Carburetor:
Type × quantity:
PWK28 × 1
Spark plug(s):
Manufacturer/model:
NGK/BR10EG
Spark plug gap:
0.5–0.6 mm (0.020–0.024 in)
Clutch:
Clutch type:
Wet, multiple-disc
Drivetrain:
Primary reduction ratio:
3.611 (65/18)
Final drive:
Chain
Secondary reduction ratio:
3.357 (47/14) (YZ85H_CAN)
3.429 (48/14) (YZ85, YZ85H_AUS/NZL)
3.714 (52/14) (YZ85LW, YZ85LWH)
Transmission type:
Constant mesh 6-speed
Gear ratio:
1st:
2.455 (27/11)
2nd:
1.882 (32/17)
3rd:
1.529 (26/17)
4th:
1.294 (22/17)
5th:
1.130 (26/23)
6th:
1.000 (25/25)
Chassis:
Frame type:
Semi double cradle
9-1
9