SPECIFICATIONS
9-1
9
Dimensions:
Overall length:
YZ85 1818 mm (71.6 in)
YZ85D 1818 mm (71.6 in)
YZ85LW 1903 mm (74.9 in)
YZ85LWD 1903 mm (74.9 in)
Overall width:
758 mm (29.8 in)
Overall height:
YZ85 1161 mm (45.7 in)
YZ85D 1161 mm (45.7 in)
YZ85LW 1205 mm (47.4 in)
YZ85LWD 1205 mm (47.4 in)
Seat height:
YZ85 864 mm (34.0 in)
YZ85D 864 mm (34.0 in)
YZ85LW 904 mm (35.6 in)
YZ85LWD 904 mm (35.6 in)
Wheelbase:
YZ85 1255 mm (49.4 in)
YZ85D 1255 mm (49.4 in)
YZ85LW 1286 mm (50.6 in)
YZ85LWD 1286 mm (50.6 in)
Ground clearance:
YZ85 351 mm (13.82 in)
YZ85D 351 mm (13.82 in)
YZ85LW 393 mm (15.47 in)
YZ85LWD 393 mm (15.47 in)
Weight:
Curb weight:
YZ85 71 kg (157 lb)
YZ85D 71 kg (157 lb)
YZ85LW 73 kg (161 lb)
YZ85LWD 73 kg (161 lb)
Engine:
Engine type:
Liquid cooled 2-stroke
Cylinder arrangement:
Single cylinder
Displacement:
84 cm³
Bore
×
stroke:
47.5
×
47.8 mm (1.87
×
1.88 in)
Compression ratio:
8.20 : 1
Starting system:
Kickstarter
Lubrication system:
Premix
Engine oil:
Type:
YAMALUBE 2R
Transmission oil:
Type:
YAMALUBE 4 (10W-40) or SAE 10W-40
Oil change quantity:
0.50 L (0.53 US qt, 0.44 Imp.qt)
Cooling system:
Radiator capacity (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 only
Fuel tank capacity:
5.0 L (1.32 US gal, 1.10 Imp.gal)
Carburetor:
Type
×
quantity:
PWK28 x 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
Transmission:
Primary reduction ratio:
3.611 (65/18)
Final drive:
Chain
Secondary reduction ratio:
YZ85 3.428 (48/14)
YZ85D 3.428 (48/14)
YZ85LW 3.714 (52/14)
YZ85LWD 3.714 (52/14)
Transmission type:
Constant mesh 6-speed
Operation:
Left foot operation
Gear ratio:
1st:
2.454 (27/11)
2nd:
1.882 (32/17)
3rd:
1.529 (26/17)
4th:
1.294 (22/17)
U1SN81E0.book Page 1 Tuesday, June 12, 2012 3:17 PM
