- EXUP valve pulley cover "1"
![](https://motoinstruction.ru/img/yamaha/3/111728.jpg)
2. Check:
- EXUP system operation
a. Activate the diagnostic mode and select the diagnostic code number "53". Refer to «Fuel injection system».
b. Set the engine stop switch to "q".
c. Check that the EXUP valve operates properly.
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)
![](https://motoinstruction.ru/img/yamaha/3/111729.jpg)
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).
![](https://motoinstruction.ru/img/yamaha/3/111730.jpg)
5. Install:
- EXUP valve pulley cover
EXUP valve pulley cover bolt — 14 Nm (1.4 m·kg, 10 ft·lb).