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PERIODIC MAINTENANCE
3-4
EAS32024
CHECKING THE VEHICLE USING THE
YAMAHA DIAGNOSTIC TOOL
Use the Yamaha diagnostic tool and check the
vehicle according to the following procedure.
1. Remove:
•
Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
2. Remove the protective cap “1”, and then con-
nect the Yamaha diagnostic tool to the cou-
pler.
3. Check:
•
Fault codes
TIP
Use the “Diagnosis of malfunction” function of
the Yamaha diagnostic tool to check the fault
codes. For information about using the Yamaha
diagnostic tool, refer to the operation manual
that is included with the tool.
Fault code number is displayed
Check and
repair the probable cause of the malfunction.
Refer to “TROUBLESHOOTING DETAILS
(FAULT CODE)” on page 8-37.
4. Perform:
•
Dynamic inspection
TIP
Use the “Dynamic inspection” function of the
Yamaha diagnostic tool version 3.0 and after to
perform the dynamic inspection. For information
about using the Yamaha diagnostic tool, refer to
the operation manual that is included with the
tool.
5. Install:
•
Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
EAS30619
CHECKING THE FUEL LINE
The following procedure applies to all of the fuel,
drain and breather hoses.
1. Remove:
•
Air scoop
Refer to “GENERAL CHASSIS (1)” on page
4-1.
•
Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
•
Fuel tank cover
Refer to “GENERAL CHASSIS (1)” on page
4-1.
•
Fuel tank
Refer to “FUEL TANK” on page 7-1.
2. Check:
•
Fuel hose “1”
•
Fuel tank breather hose “2”
•
Fuel tank drain hose “3”
Cracks/damage
Replace.
Loose connection
Connect properly.
NOTICE
ECA14940
Make sure the fuel tank breather hose is rout-
ed correctly.
TIP
Before removing the fuel hoses, place a few
rags in the area under where it will be removed.
3. Install:
•
Fuel tank
Refer to “FUEL TANK” on page 7-1.
•
Fuel tank cover
Refer to “GENERAL CHASSIS (1)” on page
4-1.
•
Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
•
Air scoop
Refer to “GENERAL CHASSIS (1)” on page
4-1.
Yamaha diagnostic tool USB
90890-03250
Yamaha diagnostic tool (A/I)
90890-03252
1
1
2
3
Summary of Contents for MTN850-A 2017
Page 1: ...2017 SERVICE MANUAL MTN850 A MTN850 AH BS2 28197 E0 ...
Page 2: ......
Page 8: ......
Page 55: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 18 ...
Page 58: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 21 EAS30021 LUBRICATION DIAGRAMS 1 2 3 4 ...
Page 60: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 23 4 7 7 8 9 5 6 2 3 1 ...
Page 62: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 4 5 6 2 3 1 ...
Page 64: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 6 5 3 2 7 4 1 ...
Page 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 9 8 7 6 3 3 2 5 4 1 ...
Page 68: ...COOLING SYSTEM DIAGRAMS 2 31 EAS20020 COOLING SYSTEM DIAGRAMS 1 1 2 3 ...
Page 69: ...COOLING SYSTEM DIAGRAMS 2 32 1 Water pump 2 Thermostat 3 Radiator ...
Page 70: ...COOLING SYSTEM DIAGRAMS 2 33 1 2 3 4 5 6 ...
Page 72: ...CABLE ROUTING 2 35 EAS20021 CABLE ROUTING Handlebar top view ...
Page 74: ...CABLE ROUTING 2 37 Handlebar front view ...
Page 76: ...CABLE ROUTING 2 39 Radiator front side view and right side view ...
Page 78: ...CABLE ROUTING 2 41 Fuel tank left and bottom view ...
Page 80: ...CABLE ROUTING 2 43 Canister top view and left side view ...
Page 82: ...CABLE ROUTING 2 45 Air filter case and throttle body top view and left side view ...
Page 84: ...CABLE ROUTING 2 47 Air cut off valve left side view ...
Page 86: ...CABLE ROUTING 2 49 Frame and engine right side view ...
Page 88: ...CABLE ROUTING 2 51 Frame right side view ...
Page 90: ...CABLE ROUTING 2 53 Frame left side view a ...
Page 92: ...CABLE ROUTING 2 55 Frame and engine left side view ...
Page 94: ...CABLE ROUTING 2 57 Frame and engine left side view ...
Page 96: ...CABLE ROUTING 2 59 Frame top view ...
Page 98: ...CABLE ROUTING 2 61 Frame top view ...
Page 100: ...CABLE ROUTING 2 63 Frame top view ...
Page 102: ...CABLE ROUTING 2 65 Front brake right side view and left side view ...
Page 104: ...CABLE ROUTING 2 67 Rear brake ...
Page 106: ...CABLE ROUTING 2 69 Hydraulic unit top view and left side view ...
Page 108: ...CABLE ROUTING 2 71 ...
Page 142: ...PERIODIC MAINTENANCE 3 32 ...
Page 253: ...CAMSHAFTS 5 18 TIP Install the ignition coils 1 in the direction shown in the illustration 1 ...
Page 320: ...TRANSMISSION 5 85 ...
Page 348: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 2 3 4 4 ...
Page 354: ...AIR INDUCTION SYSTEM 7 21 ...
Page 357: ......
Page 358: ...IGNITION SYSTEM 8 1 EAS20072 IGNITION SYSTEM EAS30490 CIRCUIT DIAGRAM ...
Page 364: ...ELECTRIC STARTING SYSTEM 8 7 EAS20073 ELECTRIC STARTING SYSTEM EAS30493 CIRCUIT DIAGRAM ...
Page 370: ...CHARGING SYSTEM 8 13 EAS20074 CHARGING SYSTEM EAS30496 CIRCUIT DIAGRAM ...
Page 373: ...CHARGING SYSTEM 8 16 ...
Page 374: ...LIGHTING SYSTEM 8 17 EAS20075 LIGHTING SYSTEM EAS30498 CIRCUIT DIAGRAM ...
Page 378: ...SIGNALING SYSTEM 8 21 EAS20076 SIGNALING SYSTEM EAS30500 CIRCUIT DIAGRAM ...
Page 385: ...SIGNALING SYSTEM 8 28 ...
Page 386: ...COOLING SYSTEM 8 29 EAS20077 COOLING SYSTEM EAS30502 CIRCUIT DIAGRAM ...
Page 389: ...COOLING SYSTEM 8 32 ...
Page 390: ...FUEL INJECTION SYSTEM 8 33 EAS20078 FUEL INJECTION SYSTEM EAS30504 CIRCUIT DIAGRAM ...
Page 462: ...FUEL PUMP SYSTEM 8 105 EAS20081 FUEL PUMP SYSTEM EAS30513 CIRCUIT DIAGRAM ...
Page 465: ...FUEL PUMP SYSTEM 8 108 ...
Page 466: ...IMMOBILIZER SYSTEM 8 109 EAS20084 IMMOBILIZER SYSTEM EAS30519 CIRCUIT DIAGRAM ...
Page 474: ...ABS ANTI LOCK BRAKE SYSTEM 8 117 EAS20085 ABS ANTI LOCK BRAKE SYSTEM EAS30843 CIRCUIT DIAGRAM ...
Page 476: ...ABS ANTI LOCK BRAKE SYSTEM 8 119 EAS30525 ABS COMPONENTS CHART 1 2 3 4 5 6 7 8 9 1 ...
Page 478: ...ABS ANTI LOCK BRAKE SYSTEM 8 121 EAS30844 ABS COUPLER LOCATION CHART 1 2 3 4 5 ...
Page 506: ...ELECTRICAL COMPONENTS 8 149 EAS20089 ELECTRICAL COMPONENTS ...
Page 508: ...ELECTRICAL COMPONENTS 8 151 ...
Page 532: ...ELECTRICAL COMPONENTS 8 175 ...
Page 557: ......
Page 558: ......