HONDA marine BF135 User Manual

Fuel
injector 1
Fuel
injector 2
Fuel
injector 3
Fuel
injector 4
IGNITER
PGM
Buzzer
CHG
Bat
12V
M
IGNITER
IGP1
IGP2
CRK
TDC
VCC1
PB
SG1
VCC2
PA
SG2
THL
TA
TE
TOH1
TOH2
TOH3
OPSH
OPSL
WASW
KS
INJ1
INJ2
INJ3
INJ4
IGN1
IGN2
IGN3
IGN4
EACVP
EACVM
V/T SOL
SVS
SCS
KLN
VCC3
PGML
OPL
OHL
BUZZ
EMS1
EMS2
TAC HO
LAFR
FLR1
FLR2
AFV1
PG1
PG2
LG1
LG2
IGNITE RIGNITE R
AFHT
AFHT+
NTSW
AFC1
ACGL
M
Fuel pump
Main relay
10A 10A15A 15A 30A 10A 30A
Starter
motor
90A
M
A
I
N
FUEL
S
T
A
R
T
E
R
Tachometer
Trim Meter Volt Meter
Hour Meter
to
Light
Switch
E
C
M
A/F
Sensor
Ignition
coil 1
Ignition
coil 2
Ignition
coil 3
Ignition
coil 4
VTEC
solenoid
valve
BF150 only
Dual-stage
intake
solenoid
valve
IAC
valve
Neutral
Switch
Trim
Angle
Sensor
Power
Trim
Switch
Data
Link
Tach
Pulse
Power Trim Relay
Power Trim
Switch
Emergency Stop Switch
AC
Gen
CKP
CMP
MAP
BARO
TP
IAT
ECT 1
ECT 2
ECT 3
ECT 4
EOP (H)
EOP (L)
KS
Water Separator
Switch
SENSORS
On fuse
terminal
BF135/150 Wiring Diagram
WHITE/BLUE (W/BU)
WHITE/GREEN (W/G)
WHITE/BLACK (W/BL)
WHITE/YELLOW (W/Y)
GREEN/BLACK (G/BL)
LIGHT GREEN/BLUE (LG/BU)
GREEN/RED (G/R)
LIGHT GREEN/RED (LG/R)
WHITE/RED (W/R)
RED/WHITE (R/W)
BLACK/WHITE (BL/W)
BROWN/YELLOW (BR/Y)
BROWN/WHITE (BR/W)
LIGHT GREEN/WHITE (LG/W)
YELLOW/LIGHT GREEN (Y/LG)
YELLOW/RED (Y/R)
BLUE/WHITE (BU/W)
GREEN/WHITE (G/W)
BLUE/RED (BU/R)
RED/BLUE (R/BU)
BLUE/YELLOW (BU/Y)
WHITE (W)
RED (R)
GREEN (G)
BLUE (BU)
YELLOW (Y)
BLACK (BL)
GRAY (GR)
PINK (P)
LIGHT GREEN (LG)
LIGHT BLUE (LB)
BROWN (BR)
BLUE/BROWN (BL/BR)
BLACK/YELLOW (BL/Y)
BLUE/YELLOW (BL/Y)
YELLOW/BLACK (Y/BL)
(Blue)
(Black)
(Black)
(Blue)
(Green)
(Green)
(Blue)
(Red)
E
IGNITION SWITCH
IG BAT
COLOR
LOAD ST
OFF
START
ON
Bl/WBl/YW/BlBl/RBl
DOWN
UP
NORMAL
Lb
W/Bl
POWER TRIM/TILT SWITCH
Lg
Bl/R
EMERGENCY STOP SWITCH
Bl
Bl/G
NEUTRAL SWITCH
GEAR IN
Bl
NEUTRAL
Power
Trim
Motor
Indicator
Light
Indicator
Light
Ignition
Switch
1
2
3
4
5
6
7
FUP
A/F
Sensor
Relay
Shown with Standard Gauges and Top/Panel-mount Control
For
Digital
Instruments
(Green)
SAE* Sensor Nomenclature
A/F Air/fuel ratio
BARO Ambient air pressure
CKP Crankshaft position
CMP Camshaft position
MAP Manifold absolute pressure
ECT Engine coolant temperature
EOP (H) Engine oil pressure (high)
EOP (L) Engine oil pressure (low)
IAC Idle air control
IAT Intake air temperature
KS Knock sensor
TP Throttle position
* SAE J1930
PSV53657-A
IPC 1200.2004.04
Printed in U.S.A
Date of Issue: April, 2004
TM048
PUSH or
SWITCH CLIP OFF
RUN
No part of this publication may be reproduced, stored in a retrieval system, or transmitted,
in any form by any means, without prior permission of American Honda Motor Co., Inc.

HONDA marine BF135 Specifications

General

Displacement	2354cc
Full Throttle RPM Range	5000-6000 RPM
Valve Train	SOHC
Ignition System	MicroComputer Programmed
Starting System	Electric
Lubrication System	Wet Sump
Cooling System	Water Cooled
Trim Range	-4° to +16°
Gear Ratio	2.14:1
Exhaust	Through Propeller
Gear Shift	F-N-R
Recommended Fuel	Unleaded Gasoline (86 Octane)
Bore & Stroke	87 mm x 99 mm
Rated Power	135 HP
Fuel Delivery	Programmed Fuel Injection
Propeller	Optional
Shaft Length	L (20 in), X (25 in)
Recommended Engine Oil	10W-30
Engine Type	4-stroke
Dry Weight	220 kg (485 lbs) - lightest version

Summary

Operator Controls and Instrumentation

Ignition and Safety Switches

Controls for starting, stopping, and powering the engine, including the emergency stop switch.

Gauges and Meters

Displays for engine speed, trim angle, voltage, and operating hours.

Power Trim/Tilt Control

Switch for adjusting outboard motor angle and position.

Core Electrical Systems

Engine Control Module (ECM)

The central processor managing engine operations, diagnostics, and fuel/ignition timing.

Starting and Power Distribution

Components like the starter motor, main relay, and fuses for electrical power.

Fuel Pump and Relays

Components responsible for fuel delivery and system power control.

Engine Sensors and Actuators

SAE Sensor Nomenclature

Glossary of abbreviations used for engine sensors in the diagram.

Engine Condition Sensors

Monitors critical engine parameters like position, temperature, and pressure.

Fuel Injection and Ignition

Fuel injectors and ignition coils for precise combustion control.

Solenoid Valves and Switches

Controls for VTEC, intake, and water separator systems.

Component Identification and Location

Sensor Locations

Visual identification of various engine sensors on the outboard motor.

Component Locations

Visual identification of major engine components and parts on the outboard motor.