Ypvs Cable Adjustment - Yamaha WaveRunner GP1300R Service Manual

INSP
ADJ
POWER UNIT
a
4. Tighten:
• Spark plugs
Spark plug:
25 N • m (2.5 kgf • m, 18 ft • lb)
NOTE:
• Before installing a spark plug, clean the gas-
ket surface and spark plug surface. Also, it is
suggested to apply a thin coat of anti-seize
compound to the spark plug threads to pre-
vent thread seizure.
• If a torque wrench is not available, a good
estimate of the correct tightening torque for a
new spark plug is to first finger tighten a the
spark plug and then tighten it another 1/4 to
1/2 of a turn b.

YPVS cable adjustment

1. Check:
• YPVS valve position
Incorrect position → Adjust YPVS
cables 1 and 2.
Checking steps:
• Start the engine, and then turn it off.
NOTE:
• Immediately after the engine stop switch
is pushed, the YPVS valves extend and
retract two times to clean the exhaust
ports.
• If the engine is stopped without the engine
stop switch being pushed, the YPVS
valves extend and retract two times to
clean the exhaust ports 30 seconds after
the engine is stopped.
• Check that the hole a in the pulley is
aligned with the hole in the cylinder when
the YPVS valve is fully closed.
3-10
E