SPECIFICATIONS
9-1
9
Dimensions:
Overall length:
YZ85 1821 mm (71.7 in)
YZ85F 1821 mm (71.7 in)
YZ85LW 1899 mm (74.8 in)
YZ85LWF 1899 mm (74.8 in)
Overall width:
758 mm (29.8 in)
Overall height:
YZ85 1126 mm (44.3 in)
YZ85F 1126 mm (44.3 in)
YZ85LW 1156 mm (45.5 in)
YZ85LWF 1156 mm (45.5 in)
Seat height:
YZ85 841 mm (33.1 in)
YZ85F 841 mm (33.1 in)
YZ85LW 873 mm (34.4 in)
YZ85LWF 873 mm (34.4 in)
Wheelbase:
YZ85 1257 mm (49.5 in)
YZ85F 1257 mm (49.5 in)
YZ85LW 1285 mm (50.6 in)
YZ85LWF 1285 mm (50.6 in)
Ground clearance:
YZ85 330 mm (12.99 in)
YZ85F 330 mm (12.99 in)
YZ85LW 360 mm (14.17 in)
YZ85LWF 360 mm (14.17 in)
Wei
g
ht:
Curb weight:
YZ85 71 kg (157 lb)
YZ85F 71 kg (157 lb)
YZ85LW 73 kg (161 lb)
YZ85LWF 73 kg (161 lb)
En
g
ine:
Engine type:
Liquid cooled 2-stroke
Cylinder arrangement:
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
En
g
ine 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)
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 only
Fuel tank capacity:
5.0 L (1.32 US gal, 1.10 Imp.gal)
Car
b
uretor:
Type
×
quantity:
PWK28 x 1
Spark plu
g
(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)
YZ85F 3.428 (48/14)
YZ85LW 3.714 (52/14)
YZ85LWF 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)
U1SN83E0.book Page 1 Monday, September 8, 2014 2:36 PM