Yamaha XT660R 2004 Service Manual page 140

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2
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CHECKING THE FUSES
3
1
3 - 59
2. Check:
• fuse 1
• fuse box 1 2
• fuse box 2 3
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester to the fuse and
check the continuity.
NOTE:
_
Set the pocket tester selector to "Ω × 1".
Pocket tester
90890-03112
b. If the pocket tester indicates "∞", replace
the fuse.
L LLL L LLL L L LLL L L LLL L
3. Replace:
• blown fuse
M MMM M MMM M M MMM M M MMM M
a. Set the main switch to "OFF".
b. Install a new fuse of the correct amperage
rating.
c. Set on the switches to verify if the electrical
circuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
Fuses
Main
Headlight
Signaling system
Ignition
Fuel injection system
Parking lighting system
Radiator fan motor
Backup (immobilizer
unit, meter assembly)
Reserve
Reserve
Reserve
Reserve
CHK
ADJ
M MMM M M MMM M MMM
L LLL L L LLL L LLL
M MMM M M MMM M MMM
Amperage
Q'ty
rating
30 A 1
20 A 1
10 A 1
10 A 1
10 A 1
10 A 1
7.5 A 1
10 A 1
30 A 1
20 A 1
10 A 1
7.5 A 1