the stem head [C] clear the projection [D] of the
• ignition switch.

the claws [A] of the washer .
• Straighten
Remove:
• Steering Stem Locknut [B]
Claw Washer

the steering using the steering stem nut wrench
• Adjust
[A].
Special Tool - Steering Stem Nut Wrench: 57001-1100

If the steering is too tight, loosen the stem nut [B] a fraction
of a turn.
If the steering is too loose, tighten the stem nut a fraction
of a turn.

NOTE

○Turn the stem nut 1/8 turn at time maximum.

2-64 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
the claw washer [A] so that its bent side [B] faces
• Install
upward, and engage the bent claws with the grooves of

•
•
•
•

stem locknut [C].
Hand tighten the stem locknut until it touches the claw
washer.
Hand tighten the stem locknut clockwise until the claws
are aligned with the second groove of stem nut [D], and
bend the 2 claws downward [E].
Install the steering stem head.
Install the washer, and temporary tighten the stem head
bolt.

NOTE

○Tighten the upper front fork clamp bolts first, next the
stem head bolt.
Torque - Upper Front Fork Clamp Bolts: 20 N·m (2.0 kgf·m,
15 ft·lb)
Steering Stem Head Bolt: 108 N·m (11.0 kgf·m,
79.7 ft·lb)

WARNING
If the handlebars do not turn to the steering stop,
they may cause an accident resulting in injury or
death. Be sure the cables, harnesses and hoses are
routed properly and do not interfere with handlebar
movement (see Cable, Wire, and Hose Routing section in the Appendix chapter).
the steering again.
• Check
If the steering is still too tight or too loose, repeat the ad-

•

justment.
Install the removed parts (see appropriate chapters).

Steering Stem Bearing Lubrication

the steering stem (see Stem, Stem Bearing Re• Remove
moval in the Steering chapter).
a high flash-point solvent, wash the upper and
• Using
lower ball bearings [A] in the cages, and wipe the upper

•
•
•
•

and lower outer races, which are press-fitted into the
frame head pipe, clean off grease and dirt.
Visually check the outer races and the ball bearings.
Replace the bearing assemblies if they show wear or
damage.
Pack the upper and lower ball bearings in the cages with
grease, and apply a light coat of grease to the upper and
lower outer races.
Install the steering stem (see Stem, Stem Bearing Installation in the Steering chapter).
Adjust the steering (see Steering Play Adjustment).

PERIODIC MAINTENANCE 2-65
Periodic Maintenance Procedures
Electrical System
Lights and Switches Operation Inspection
First Step
Set the gear position in the neutral position.
Turn the ignition switch on.
The following lights should go on according to below table.

•
•
•

City Light [A]

Goes on

Taillight (LED) [B]

Goes on

License Plate Light [C]

Goes on

Meter Panel Illumination (LED) [D]

Goes on

Meter Panel LCD [E]

Goes on

Green Neutral Indicator Light (LED) [F]

Goes on

Oil Pressure Warning Indicator Light [G] and
Red Warning Indicator (LED) [H]

Goes on

Yellow ABS Indicator Light (LED) [I] (ABS
Equipped Models)

Goes on

If the light does not go on, inspect or replace the following
parts.
Battery (see Charging Condition Inspection in the Electrical System chapter)
City Light Bulb (see City Light Bulb Replacement in the
Electrical System chapter)
License Plate Light Bulb (see License Plate Light Bulb
Replacement in the Electrical System chapter)
Meter Panel LCD (see Meter Unit Inspection in the Electrical System chapter)
Green Neutral Indicator Light (LED) (see Meter Unit Inspection in the Electrical System chapter)
Red Warning Indicator Light (LED) (Oil Pressure Warning) (see Meter Unit Inspection in the Electrical System
chapter)
Meter Panel Illumination (LED) (see Meter Unit Inspection in the Electrical System chapter)
ECU (see ECU Power Supply Inspection in the Fuel System (DFI) chapter)
Main Fuse 30 A, Meter Fuse 10 A and Brake Light/Horn
Fuse 10 A (see Fuse Inspection in the Electrical System
chapter)
Ignition Switch (see Switch Inspection in the Electrical
System chapter)
Oil Pressure Switch (see Switch Inspection in the Electrical System chapter)
Gear Position Sensor (see Gear Position Sensor Inspection in the Electrical System chapter)
Harness (see Wiring Inspection in the Electrical System
chapter)
Yellow ABS Indicator Light (LED) (ABS Equipped Models) (see Yellow ABS Indicator Light (LED) Inspection in
the Brakes chapter)
the ignition switch off.
• Turn
all lights should go off.
• The
If the light does not go off, replace the ignition switch.

2-66 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Second Step
Turn the ignition switch to hazard position.
The all lights should go off.
If the light goes on, inspect or replace the following item.
Ignition Switch (see Switch Inspection in the Electrical
System chapter)

•
•

Third Step
Turn the ignition switch on.
Turn on the turn signal switch [A] (left or right position).
The left or right turn signal lights [B] (front and rear) according to the switch position should blink.
The green turn signal indicator lights (LED) [C] in the meter unit should blink.
If the each light does not blink, inspect or replace the following parts.
Turn Signal Light Bulb (see Turn Signal Light Bulb Replacement in the Electrical System chapter)
Green Turn Signal Indicator Light (LED) (see Meter Unit
Inspection in the Electrical System chapter)
Turn Signal Relay Fuse 10 A (see Fuse Inspection in the
Electrical System chapter)
Turn Signal Switch (see Switch Inspection in the Electrical System chapter)
Turn Signal Relay (see Turn Signal Relay Inspection in
the Electrical System chapter)
Harness (see Wiring Inspection in the Electrical System
chapter)
Push the turn signal switch.
The turn signal lights and green turn signal indicator light
(LED) should go off.
If the light does not go off, inspect or replace the following
parts.
Turn Signal Switch (see Switch Inspection in the Electrical System chapter)
Turn Signal Relay (see Turn Signal Relay Inspection in
the Electrical System chapter)

•
•
•
•

•
•

Fourth Step
Set the dimmer switch [A] to low beam position.
Start the engine.
The low beam headlight should go on.
If the low beam headlight does not go on, inspect or replace the following parts.
Headlight Bulb (see Headlight Blub Replacement in the
Electrical System chapter)
Headlight Fuse 15 A (see Fuse Inspection in the Electrical System chapter)
Dimmer Switch (see Switch Inspection in the Electrical
System chapter)
Headlight Relay (see Relay Circuit Inspection in the
Electrical System chapter)
Harness (see Wiring Inspection in the Electrical System
chapter)

•
•
•

PERIODIC MAINTENANCE 2-67
Periodic Maintenance Procedures
the dimmer switch to high beam position.
• Set
The
high beam headlight should goes on.
• The blue
• on. high beam indicator light (LED) [A] should goes

•
•
•
•

If the high beam headlight and/or blue high beam indicator
light (LED) does not go on, inspect or replace the following
parts.
Headlight Bulb (see Headlight Bulb Replacement in the
Electrical System chapter)
Dimmer Switch (see Switch Inspection in the Electrical
System chapter)
Turn the engine stop switch to stop position.
The low beam and high beam headlights should stay going on.
If the headlight and blue high beam indicator light (LED)
go off, inspect or replace the headlight relay (see Relay
Circuit Inspection in the Electrical System chapter).
Turn the ignition switch off.
The headlight and blue high beam indicator light (LED)
should go off.

Headlight Aiming Inspection

the headlight beam for aiming.
• Inspect
If the headlight beam is off the point, adjust the headlight
aiming as following.

NOTE

○The left adjuster [A] and right adjuster [B] can move the
direction of the headlight beam to up, down, left and
right by turning each adjuster itself as the below table.
(In the photo, the headlight unit has been removed for
clarity.)

Left Adjuster
Right Adjuster

Turning Direction
of Adjuster

Moving Direction of
Headlight Beam

Clockwise

Left and Up

Counterclockwise

Right and Down

Clockwise

Right and Up

Counterclockwise

Left and Down

move the headlight beam leftward, turn the left ad• To
juster clockwise and turn the right adjuster [A] counter-

•
•
•

clockwise same number as the left adjuster was turned
until the beam points straight ahead.
To move the headlight beam rightward, turn the left adjuster counterclockwise and turn the right adjuster clockwise same number as the left adjuster was turned until
the beam points straight ahead.
To move the headlight beam upward, turn the both adjusters clockwise same number.
To move the headlight beam downward, turn the both adjusters counterclockwise same number.

2-68 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
NOTE

○On high beam, the brightest points should be slightly
below horizontal with the motorcycle on its wheels and
the rider seated. Adjust the headlight to the proper angle according to local regulations.
○For US model, the proper angle is 0.4 degrees below
horizontal. This is 50 mm (2 in.) drop at 7.6 m (25
ft) measured from the center of the headlight with the
motorcycle on its wheels and the rider seated.
50 mm (2 in.) [A]
Center of Brightest Spot [B]
7.6 m (25 ft) [C]
Height of Headlight Center [D]

Side Stand Switch Operation Inspection

the rear wheel off the ground with the stand (see
• Raise
Rear Wheel Removal in the Wheels/Tires chapter).
the side stand switch [A] operation accordance to
• Inspect
below table.
Side Stand Switch Operation
Side Stand

Gear
Position

Clutch
Lever

Engine
Start

Engine
Run

Up

Neutral

Released

Starts

Continue
running

Up

Neutral

Pulled in

Starts

Continue
running

Up

In Gear

Released

Does not
start

Continue
running

Up

In Gear

Pulled in

Starts

Continue
running

Down

Neutral

Released

Starts

Continue
running

Down

Neutral

Pulled in

Starts

Continue
running

Down

In Gear

Released

Does not
start

Stops

Down

In Gear

Pulled in

Does not
start

Stops

PERIODIC MAINTENANCE 2-69
Periodic Maintenance Procedures
If the side stand switch operation does not work, inspect
or replace the following parts.
Battery (see Charging Condition Inspection in the Electrical System chapter)
Main Fuse 30 A (see Fuse Inspection in the Electrical
System chapter)
Ignition Fuse 10 A (see Fuse Inspection in the Electrical
System chapter)
Ignition Switch (see Switch Inspection in the Electrical
System chapter)
Side Stand Switch (see Switch Inspection in the Electrical System chapter)
Engine Stop Switch (see Switch Inspection in the Electrical System chapter)
Starter Button (see Switch Inspection in the Electrical
System chapter)
Gear Position Sensor (see Gear Position Sensor Inspection in the Electrical System chapter)
Starter Lockout Switch (see Switch Inspection in the
Electrical System chapter)
Starter Relay (see Starter Relay Inspection in the Electrical System chapter)
Relay Box (see Relay Circuit Inspection in the Electrical
System chapter)
Starter Circuit Relay (see Relay Circuit Inspection in the
Electrical System chapter)
Harness (see Wiring Inspection in the Electrical System
chapter)
If the all parts are good condition, replace the ECU (see
ECU Removal/Installation in the Fuel System (DFI) chapter).

Engine Stop Switch Operation Inspection
First Step
Turn the ignition switch on.
Set the gear position in the neutral position.
Turn the engine stop switch to stop position [A].
Push the starter button.
The engine does not start.
If the engine starts, inspect or replace the engine stop
switch (see Switch Inspection in the Electrical System
chapter).

•
•
•
•
•

Second Step
Turn the ignition switch on.
Set the gear position in the neutral position.
Turn the engine stop switch to run position [A].
Push the starter button and start the engine.
Turn the engine stop switch to stop position.
Immediately the engine should be stop.
If the engine does not stop, inspect or replace the engine
stop switch (see Switch Inspection in the Electrical System chapter).
If the engine stop switch is good condition, replace the
ECU (see ECU Removal/Installation in the Fuel System
(DFI) chapter).

•
•
•
•
•
•

2-70 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Spark Plug Replacement

the stick coils (see Stick Coil Removal in the
• Remove
Electrical System chapter).
the spark plugs using the 16 mm (0.63 in.) plug
• Remove
wrench [A] vertically.
• Replace the spark plugs with new ones.
Standard Spark Plug
Type:
NGK CR9EIA-9

the spark plug vertically into the spark plug hole
• Insert
with the spark plug installed in the plug wrench [A], and
finger-tighten it first.

NOTICE
If tightening the spark plug with the wrench inclined, the insulator of the spark plug may break.

• Tighten:
Torque - Spark Plugs: 15 N·m (1.5 kgf·m, 11 ft·lb)

the stick coils (see Stick Coil Installation in the Elec• Install
trical System chapter).
installation, be sure the stick coils are installed se• After
curely by pulling up them lightly.

Others
Chassis Parts Lubrication

lubricating each part, clean off any rusty spots with
• Before
rust remover and wipe off any grease, oil, dirt, or grime.
• Lubricate the points listed below with indicated lubricant.

○Whenever

NOTE

the vehicle has been operated under
wet or rainy conditions, or especially after using a
high-pressure water spray, perform the general lubrication.

Pivots: Lubricate with Grease.
Brake Lever
Brake Pedal
Clutch Lever
Side Stand
Points: Lubricate with Grease.
Clutch Inner Cable Upper and Lower Ends [A]
Throttle Inner Cable Upper and Lower Ends

PERIODIC MAINTENANCE 2-71
Periodic Maintenance Procedures
Cables: Lubricate with Rust Inhibitor.
Clutch Cable
Throttle Cables
Lubricate the cables by seeping the oil between the cable
and housing.
○The cable may be lubricated by using a commercially
available pressure cable lubricator with an aerosol cable
lubricant.

•

the cable disconnected at both ends, the inner cable
• With
should move freely [A] within the cable housing.
If cable movement is not free after lubricating, if the cable
is frayed [B], or if the cable housing is kinked [C], replace
the cable.

Condition of Bolts, Nuts and Fasteners Tightness
Inspection