Yamaha YP125R Service Manual

EAS28740
WIRING DIAGRAM
YP125R/YP250R 2010
1. AC magneto
2. Crankshaft position sensor
3. Rectifier/regulator
4. Backup fuse (immobilizer unit
and meter assembly)
5. Main switch
6. ECU fuse
7. Radiator fan motor fuse
8. Turn signal/hazard fuse
9. Ignition fuse
10.Headlight fuse
11.Signaling system fuse
12.Battery
13.Main fuse
14.Starter relay
15.Starter motor
16.Diode
17.Frame ground
18.Sidestand switch
19.Fuel pump
20.Starting circuit cut-off relay
21.Right handlebar switch
22.Start switch
23.Hazard switch
24.Front brake light switch
25.Coolant temperature sensor
26.Throttle position sensor
27.Intake air pressure sensor
28.Intake air temperature sensor
29.Lean angle sensor
30.Speed sensor
31.ECU (engine control unit)
32.Ignition coil
33.Spark plug
34.Fuel injector
35.O
2
sensor
36.ISC (idle speed control) unit
37.Auxiliary DC jack (OPTION)
38.Horn
39.Turn signal/hazard relay
40.Headlight relay
41.Left handlebar switch
42.Dimmer switch
43.Pass switch
44.Turn signal switch
45.Horn switch
46.Rear brake light switch
47.Right tail/brake light assembly
48.Right rear turn signal light
49.Tail/brake light
50.Left tail/brake light assembly
51.Left rear turn signal light
52.Right front turn signal light
53.Left front turn signal light
54.Headlight assembly
55.Headlight
56.Auxiliary light
57. License plate light
58. Fuel sender
59. V-belt replacement indicator re-
set coupler
60. Meter assembly
61. Immobilizer system indicator
light
62. Multifunction meter
63. Speedometer
64. Tachometer
65. Engine oil change indicator
66. V-belt replacement indicator
67.Engine trouble warning light
68.Meter light
69. High beam indicator light
70.Right turn signal indicator light
71. Left turn signal indicator light
72.Air temperature sensor
73.Radiator fan motor
74.Radiator fan motor relay
75. Self-diagnosis signal coupler
76.Immobilizer unit
A. YP250R only
EAS28750
COLOR CODE
BBlack
Br Brown
Ch Chocolate
Dg Dark green
GGreen
Gy Gray
LBlue
Lg Light green
O Orange
PPink
RRed
Sb Sky blue
WWhite
Y Yellow
B/L Black/Blue
B/R Black/Red
B/W Black/White
Br/L Brown/Blue
Br/R Brown/Red
Br/W Brown/White
G/B Green/Black
G/L Green/Blue
G/R Green/Red
G/Y Green/Yellow
Gy/B Gray/Black
Gy/G Gray/Green
Gy/R Gray/Red
L/B Blue/Black
L/R Blue/Red
L/W Blue/White
L/Y Blue/Yellow
O/B Orange/Black
O/R Orange/Red
P/W Pink/White
R/B Red/Black
R/G Red/Green
R/L Red/Blue
R/W Red/White
R/Y Red/Yellow
W/B White/Black
W/R White/Red
W/Y White/Yellow
Y/G Yellow/Green
Y/L Yellow/Blue

Yamaha YP125R Specifications

General

Engine Type	Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore x Stroke	52.4 mm x 57.9 mm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Front Suspension	Telescopic fork
Rear Suspension	Unit Swing
Front Brake	Hydraulic single disc, Ø267 mm
Starter System	Electric
Rear Tyre	140/70-14M/C 62P (Tubeless)