2012 YAMAHA YZ85 Owners Manual

MOTORCYCLE CARE AND STORAGE
8-4
8
prevent damage or injury
from sparking, make sure to
ground the spark plug elec-
trodes while turning the en-
gine over.
[EWA10951]
5. Lubricate all control cables and the
pivoting points of all levers and
brake pedal.
6. Check and, if necessary, correct the tire air pressure, and then lift
the motorcycle so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
7. Cover the muffler outlet with a plastic bag to prevent moisture
from entering it.TIPMake any necessary repairs before
storing the motorcycle.
U1SN80E0.book Page 4 Thursday, June 9, 2011 11:24 AM

SPECIFICATIONS
9-1
9
Dimensions:Overall length:YZ85 1818 mm (71.6 in)
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)(FIN)
(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)(NOR)
(POL)(PRT)(SVN)(SWE)
YZ85 1821 mm (71.7 in) (ZAF)
YZ85B 1818 mm (71.6 in)
YZ85LW 1903 mm (74.9 in)
YZ85LWB 1903 mm (74.9 in)
Overall width: 758 mm (29.8 in)
Overall height:
YZ85 1161 mm (45.7 in)
YZ85B 1161 mm (45.7 in)
YZ85LW 1205 mm (47.4 in)
YZ85LWB 1205 mm (47.4 in)
Seat height: YZ85 864 mm (34.0 in)
YZ85B 864 mm (34.0 in)
YZ85LW 904 mm (35.6 in)
YZ85LWB 904 mm (35.6 in)
Wheelbase: YZ85 1255 mm (49.4 in)
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)(FIN)
(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)(NOR)
(POL)(PRT)(SVN)(SWE)
YZ85 1258 mm (49.5 in) (ZAF)
YZ85B 1255 mm (49.4 in)
YZ85LW 1286 mm (50.6 in)
YZ85LWB 1286 mm (50.6 in) Ground clearance:
YZ85 351 mm (13.82 in)
YZ85B 351 mm (13.82 in)
YZ85LW 393 mm (15.47 in)
YZ85LWB 393 mm (15.47 in)
Weight:Curb weight:
YZ85 71 kg (157 lb)
YZ85B 71 kg (157 lb)
YZ85LW 73 kg (161 lb)
YZ85LWB 73 kg (161 lb)Engine:Engine type:Liquid cooled 2-stroke
Cylinder arrangement:
Single cylinder
Displacement: 84 cm ³
Bore × stroke:
47.5 × 47.8 mm (1.87 × 1.88 in)
Compression ratio:
8.20 : 1
Starting system: Kickstarter
Lubrication system: PremixEngine oil:Type:YAMALUBE 2RTransmission 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 elementFuel: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 1Spark plug(s):Manufacturer/model: NGK/BR10EG
Spark plug gap:
0.5 –0.6 mm (0.020 –0.024 in)Clutch:Clutch type:
Wet, multiple-discTransmission:Primary reduction ratio:3.611 (65/18)
Final drive: Chain
U1SN80E0.book Page 1 Thursday, June 9, 2011 11:24 AM

SPECIFICATIONS
9-2
9
Secondary reduction ratio:YZ85 3.357 (47/14) (ZAF)
YZ85 3.428 (48/14)
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)(FIN)
(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)(NOR)
(POL)(PRT)(SVN)(SWE)
YZ85B 3.428 (48/14)
YZ85LW 3.714 (52/14)
YZ85LWB 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)
5th:
1.130 (26/23)
6th: 1.000 (25/25)Chassis:Frame type:
Semi double cradle
Caster angle: YZ85 26.30 °
YZ85B 26.30 °
YZ85LW 26.90 °
YZ85LWB 26.90 ° Trail:
YZ85 88 mm (3.5 in)
YZ85B 88 mm (3.5 in)
YZ85LW 105 mm (4.2 in)
YZ85LWB 105 mm (4.2 in)
Front tire:Type:
With tube
Size: YZ85 70/100-17 40M
YZ85B 70/100-17 40M
YZ85LW 70/100-19 42M
YZ85LWB 70/100-19 42M
Manufacturer/model: YZ85 DUNLOP/D739FA (ZAF)
YZ85 DUNLOP/D756F
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)(FIN)
(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)(NOR)
(POL)(PRT)(SVN)(SWE)
YZ85B DUNLOP/D756F
YZ85LW DUNLOP/D739FA (ZAF)
YZ85LW DUNLOP/D756F
(AUT)(BEL)(CHE)(DEU)(DNK)(ESP)(FIN)
(FRA)(GBR)(GRC)(IRL)(ITA)(NLD)(NOR)
(POL)(PRT)(SVN)(SWE)
YZ85LWB DUNLOP/D756FRear tire:Type:With tube
Size:
YZ85 90/100-14 49M
YZ85B 90/100-14 49M
YZ85LW 90/100-16 52M
YZ85LWB 90/100-16 52M Manufacturer/model:
DUNLOP/D756
Tire air pressure (measured on cold
tires):
Front:100 kPa (1.00 kgf/cm ², 15 psi)
Rear: 100 kPa (1.00 kgf/cm ², 15 psi)
Front wheel:Wheel type:
Spoke wheel
Rim size: YZ85 17x1.40
YZ85B 17x1.40
YZ85LW 19x1.40
YZ85LWB 19x1.40Rear wheel:Wheel type:Spoke wheel
Rim size: YZ85 14x1.60
YZ85B 14x1.60
YZ85LW 16x1.85
YZ85LWB 16x1.85Front brake:Type:Single disc brake
Operation: Right hand operation
Specified brake fluid:
DOT 4Rear brake:Type:Single disc brake
U1SN80E0.book Page 2 Thursday, June 9, 2011 11:24 AM

SPECIFICATIONS
9-3
9
Operation:Right foot operation
Specified brake fluid: DOT 4Front suspension:Type:Telescopic fork
Spring/shock absorber type: Coil spring/oil damper
Wheel travel:
275.0 mm (10.83 in)Rear suspension:Type:Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel: YZ85 282.0 mm (11.10 in)
YZ85B 282.0 mm (11.10 in)
YZ85LW 287.0 mm (11.30 in)
YZ85LWB 287.0 mm (11.30 in)Electrical system:Ignition system:
CDI
U1SN80E0.book Page 3 Thursday, June 9, 2011 11:24 AM

CONSUMER INFORMATION
10-1
10
EAU40792
Identification numbers Record the vehicle identification num-
ber and model label information in the
spaces provided below for assistance
when ordering spare parts from a
Yamaha dealer or for reference in case the vehicle is stolen.
VEHICLE IDENTIFICATION
NUMBER:
MODEL LABEL INFORMATION:
EAU26400
Vehicle identification number
The vehicle identification number is
stamped into the steering head pipe.
Record this number in the space pro-
vided.TIPThe vehicle identification number is
used to identify your motorcycle and
may be used to register your motorcy-
cle with the licensing authority in your
area.
EAU26460
Model label
The model label is affixed to the loca-
tion shown. Record the information on
this label in the space provided. This in-
formation will be needed when ordering
spare parts from a Yamaha dealer.
1. Vehicle identification number
1. Model label
U1SN80E0.book Page 1 Thursday, June 9, 2011 11:24 AM

INDEXAAir filter element, cleaning..................... 7-12BBrake and clutch levers, checking and lubricating ..................... 7-24
Brake fluid, changing ............................ 7-21
Brake fluid level, checking .................... 7-20
Brake lever .............................................. 4-2
Brake lever free play, checking ............. 7-18
Brake pedal ............................................. 4-2
Brake pedal, checking and lubricating ..................... 7-25CCables, checking and lubricating .......... 7-23
Carburetor, adjusting ............................ 7-14
Care ........................................................ 8-1
Clutch lever ............................................. 4-1
Clutch lever free play, adjusting ............ 7-17
Coolant.................................................. 7-10DDrive chain, cleaning and lubricating .... 7-23
Drive chain slack ................................... 7-22EEngine break-in ....................................... 6-3
Engine idling speed............................... 7-14
Engine, starting a warm .......................... 6-1
Engine stop button .................................. 4-1FFront and rear brake pads, checking .... 7-19
Front fork, adjusting ................................ 4-7
Front fork, bleeding ................................. 4-9
Front fork, checking .............................. 7-26
Fuel ......................................................... 4-3
Fuel cock................................................. 4-5 Fuel tank breather hose.......................... 4-5
Fuel tank cap .......................................... 4-3
HHandlebar switch .................................... 4-1IIdentification numbers .......................... 10-1KKickstarter............................................... 4-6LLabels, location....................................... 1-1MMatte color, caution ................................ 8-1
Model label ........................................... 10-1PParking ................................................... 6-4
Part locations .......................................... 3-1
Periodic maintenance and
lubrication chart .................................... 7-2RRear suspension, lubricating ................ 7-25SSafety information................................... 2-1
Seat ........................................................ 4-7
Shifting.................................................... 6-2
Shift pedal............................................... 4-1
Shift pedal, checking ............................ 7-19
Shock absorber assembly, adjusting ...... 4-9
Sidestand.............................................. 4-12
Spark plug, checking .............................. 7-8
Specifications ......................................... 9-1
Starter (choke) knob ............................... 4-6
Starting and warming up a cold engine ........................................ 6-1
Steering, checking ................................ 7-26 Storage.................................................... 8-3
Supporting the motorcycle .................... 7-27
Swingarm pivots, lubricating ................. 7-25
TThrottle grip and cable,
checking and lubricating ..................... 7-24
Throttle grip free play, adjusting ............ 7-15
Tires ...................................................... 7-15
Transmission oil ...................................... 7-9
Troubleshooting .................................... 7-30
Troubleshooting charts.......................... 7-32VVehicle identification number ................ 10-1WWheel bearings, checking ..................... 7-27
Wheel (front) ......................................... 7-28
Wheel (rear) .......................................... 7-29
Wheels .................................................. 7-17
U1SN80E0.book Page 1 Thursday, June 9, 2011 11:24 AM

U1SN80E0.book Page 2 Thursday, June 9, 2011 11:24 AM

PRINTED ON RECYCLED PAPERPRINTED IN JAPAN
2011.06-0.6 ×1 CR
(E)
U1SN80E0.book Page 1 Thursday, June 9, 2011 11:24 AM