8-56
ELECTRICAL COMPONENTS
NOTICE
ECA27250
• Be careful not to lose or damage the fuse
box cover. If the fuse box cover is lost or
damaged, replace it with a new one.
• Be sure to install the fuse box cover. Water
may get inside the fuse box and cause mal-
function.
EAS31006
REPLACING THE ECU (Engine Control Unit)
1. Turn the main switch to “OFF”.
2. Replace the ECU (Engine Control Unit).
TIP
Fix the ECU “1” with the claw of air filter case
cover “2” properly.
3. Clean the throttle bodies and reset the ISC
(idle speed control) learning value.
Refer to “CHECKING AND CLEANING THE
THROTTLE BODIES” on page 7-7.
4. Check:
• Engine idling speed
Start the engine, warm it up, and then mea-
sure the engine idling speed.
EAS30552
CHECKING AND CHARGING THE BATTERY
TIP
Refer to “CHECKING AND CHARGING THE
BATTERY” in “BASIC INFORMATION” (sepa-
rate volume).
1. Remove:
• Rider seat
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
2. Disconnect:
• Battery lead
(from the battery terminals)
NOTICE
ECA13700
First, disconnect the negative battery lead,
and then the positive battery lead.
3. Remove:
• Battery
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
4. Check:
• Battery charge
5. Charge:
• Battery
6. Install:
• Battery
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
7. Connect:
• Battery lead
(to the battery terminals)
NOTICE
ECA26980
First, connect the positive battery lead, and
then the negative battery lead.
8. Check:
• Battery terminal
Dirt
→
Clean with a wire brush.
Loose connection
→
Connect properly.
9. Lubricate:
• Battery terminal
10.Install:
• Rider seat
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
EAS30553
CHECKING THE RELAYS
Check each switch for continuity with the digital
circuit tester. If the continuity reading is incor-
rect, replace the relay.
1. Disconnect the relay from the wire harness.
Engine idling speed
1200–1400 r/min
2
1
Recommended lubricant
Dielectric grease
Digital circuit tester (CD7
3
2)
90890-0
3
24
3
Model 88 Multimeter with ta-
chometer
YU-A1927
Summary of Contents for MT-09 2021
Page 1: ...2021 SERVICE MANUAL MT 09 MT 09SP B7N 28197 E0 MTN890 MTN890D ...
Page 2: ......
Page 6: ......
Page 8: ......
Page 26: ...1 17 SPECIAL TOOLS ...
Page 41: ...2 14 TIGHTENING TORQUES ...
Page 46: ...2 19 CABLE ROUTING Steering head left and right view 5 2 6 4 5 5 7 2 6 7 8 6 9 B A B 1 2 3 B ...
Page 60: ...2 33 CABLE ROUTING Main switch left side view A C B 6 1 D 6 1 6 1 2 3 4 5 5 6 1 ...
Page 66: ...2 39 CABLE ROUTING ABS ECU top view 1 8 9 10 11 6 11 5 12 A 2 B D 7 G 7 H 3 C 4 5 6 7 E F I ...
Page 68: ...2 41 CABLE ROUTING IMU top view 7 7 2 3 4 5 8 1 1 7 9 A B 6 D 6 C 9 10 ...
Page 78: ...2 51 CABLE ROUTING Fuel tank left side view 1 2 3 4 5 6 A 1 7 C 4 5 B 4 D E F 8 1 9 4 5 G H 5 ...
Page 80: ...2 53 CABLE ROUTING Canister 1 2 5 3 4 6 A B C D D E F G H I J ...
Page 86: ...2 59 CABLE ROUTING Radiator right side view 3 2 1 B A D C 4 ...
Page 88: ...2 61 CABLE ROUTING Radiator right side view C B A D E 1 F G I H ...
Page 92: ...2 65 CABLE ROUTING Water pump left side view 3 4 A 2 C D B F 1 E ...
Page 94: ...2 67 CABLE ROUTING ...
Page 306: ...5 79 CONNECTING RODS AND PISTONS a ...
Page 338: ...6 15 WATER PUMP ...
Page 352: ...7 13 THROTTLE BODIES ...
Page 355: ......
Page 363: ...8 8 IGNITION SYSTEM ...
Page 369: ...8 14 ELECTRIC STARTING SYSTEM ...
Page 377: ...8 22 CHARGING SYSTEM ...
Page 422: ...8 67 ELECTRICAL COMPONENTS ...
Page 441: ...9 11 SYSTEM DIAGRAM ...
Page 465: ...9 35 CRUISE CONTROL SYSTEM for MTN890D ...
Page 736: ...9 306 89_ABS 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 742: ...9 312 91_ABS 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 746: ......
Page 747: ......
Page 748: ......