Yamaha MT-03 - Service manual > Electrical system

Checking and charging the battery

Checking the fuses

Replacing the headlight bulb

NOTE:

This model is equipped with a quartz bulb headlight.

1. Replace:

• Headlight bulb

a. Disconnect:

• Headlight coupler "1"

b. Remove:

• Headlight bulb cover "2"

c. Detach:

• Headlight bulb holder "1"

d. Remove:

• Defective bulb "2"

WARNING

Since the headlight bulb gets extremely hot, keep flammable products and your hands away from the bulb until it has cooled down.

e. Install:

• Headlight bulb

Secure the new headlight bulb with the headlight bulb holder.

CAUTION:

Take care not to damage the following parts:

Headlight bulb

• Do not touch the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the luminosity of the bulb, and the bulb life will be adversely affected. Thoroughly clean off any dirt and fingerprints on the headlight bulb using a cloth moistened with alcohol or thinner.

Headlight lens

• Do not affix any type of tinted film or stickers to the headlight lens.
• Do not use a headlight bulb of a wattage higher than specified.

f. Install:

• Headlight bulb cover

g. Connect:

• Headlight coupler

Replacing an auxiliary light bulb

1. Replace:

• Auxiliary light bulb

a. Remove:

• Headlight Auxiliary light socket "1" (together with the auxiliary light bulb)

b. Remove:

• Headlight Auxiliary light bulb "2" (by pulling it out)

c. Install:

• Auxiliary light bulb into the socket (by pushing it in)
• Auxiliary light socket (together with the bulb) by pushing it in.

Replacing the tail/brake light bulb

1. Replace:

• Tail/brake light bulb

a. Remove:

Tail/brake light bulb cover bolts "1"

Tail/brake light bulb cover "2"

b. Remove:

• Tail/brake light socket "1" (together with the tail/brake light bulb) Turn the socket counterclockwise.
• Tail/brake light bulb "2" Push in and turn the bulb counterclockwise.

c. Install:

• Tail/brake light bulb into the socket (by pushing it in and then turning it clockwise until it stops)
• Tail/brake light socket (together with the bulb) by turning it clockwise.
• Tail/brake light bulb cover
• Tail/brake light bulb cover bolts

d. Tighten:

• Tail/brake light bulb cover bolts

Tail/brake light bulb cover bolt 10 Nm (1.0 m*kg, 7.2 ft*lb)

Replacing a turn signal light bulb

1. Replace:

• Turn signal light bulb

a. Remove:

• Turn signal light lens screw "1"
• Turn signal light lens "2"
• Turn signal light bulb "3"

Push in and turn the bulb counterclockwise.

b. Install:

• Turn signal light bulb into the socket (by pushing it in and then turning it clockwise until it stops)
• Turn signal light lens
• Turn signal light lens screw

CAUTION:

Do not overtighten the screw, otherwise the lens may break.

Replacing the license plate light bulb

1. Replace:

• License plate light bulb

a. Remove:

• Reinforcement plate bolts and nuts
• Reinforcement plate "1"
• License plate light bulb socket "2" (by pulling it out)
• License plate light bulb "3" (by pulling it out)

NOTE:

When removing the license plate light bulb socket, be careful not to pull too hard.

b. Install:

• License plate light bulb into the socket (by pushing it in)
•  License plate light bulb socket (by pushing it in)
• Reinforcement plate
• Reinforcement plate bolts and nuts

c. Tighten:

• Reinforcement plate bolts and nuts

Reinforcement plate nut 7 Nm (0.7 m*kg, 5.1 ft*lb)

Reinforcement plate bolt (centre) 10 Nm (1.0 m*kg, 7.2 ft*lb)

Reinforcement plate bolt (upper) 10 Nm (1.0 m*kg, 7.2 ft*lb)

Adjusting the headlight beam

1. Adjust:

• Headlight beam (vertically)

a. Turn the adjusting screw "1" in direction "a" or "b"

Direction (a) Headlight beam is lowered Direction (b) Headlight beam is raised

See also: