Checking The Exup Servo Motor; Checking The Coolant Level - Yamaha FZ1-N Service Manual

2. Check:
• EXUP system operation
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Activate the diagnostic mode and select
the diagnostic code number "53".
Refer to "FUEL INJECTION SYSTEM" on
page 8-31.
b. Set the engine stop switch to "
c. Check that the EXUP valve operates prop-
erly.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Check:
• EXUP cable free play (at the EXUP valve
pulley) "a" and "b"
Maximum EXUP cable free play
(at the EXUP valve pulley)
a: Less than 3 mm (0.12 in)
b: Less than 3 mm (0.12 in)
4. Adjust:
• EXUP cable free play
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the main switch to "ON"
b. Check the EXUP pulley position.
c. Loosen the locknut "1".
d. Loosen the locknut "3"
e. Turn the adjusting nut "2" in or out.
f. Tighten the locknut.
g. Turn the adjusting nut "4" in or out.
h. Tighten the locknut.
EXUP cable locknut
6 Nm (0.6 m·kg, 4.3 ft·lb)
".
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
5. Install:
• EXUP valve pulley cover
EAS28360

CHECKING THE EXUP SERVO MOTOR

1. Check:
• EXUP servo motor operation
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Check whether or not the EXUP valve is
• Disconnect the EXUP cable and check that
• When the valve is not moved smoothly,
b. When the EXUP valve is moved smoothly,
c. Perform the self-diagnosis mode and check
d. Check that the EXUP servo motor pulley
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS21110

CHECKING THE COOLANT LEVEL

1. Stand the vehicle on a level surface.
NOTE:
• Place the vehicle on a suitable stand.
• Make sure the vehicle is upright.
2. Check:
3-18
EXUP valve pulley cover bolt
14 Nm (1.4 m·kg, 10 ft·lb)
Out of specification → Replace.
seized.
the EXUP valve is moved smoothly by
hand.
repair or replace it.
Refer to "ADJUSTING THE EXUP
CABLES" on page 3-17.
replace the EXUP servo motor.
the operation of EXUP valve by visual
inspection (Code No: 53).
The operation should be carried out as 3-
second drive in the full open direction, 2-
second stop and 3-second drive in the full
close direction.
rotates several times.
ENGINE