3-10
E
INSP
ADJ
POWER UNIT
4. Tighten:
• Spark plugs
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
.
T
R
.
.
Spark plug:
25 N • m (2.5 kgf • m, 18 ft • lb)
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.
1
2
a
Summary of Contents for WaveRunner GP1300R
Page 1: ...SUPPLEMENTARY SERVICE MANUAL GP1300R WaveRunner F1G 28197 1G 1X LIT 18616 02 90 LIT186160290...
Page 10: ...E TROUBLE ANALYSIS TROUBLE ANALYSIS 48 SELF DIAGNOSIS 48 WIRING DIAGRAM...
Page 61: ...YAMAHA MOTOR CORPORATION USA Printed in USA Dec 2004 0 0 1 CR E...
Page 62: ...SERVICE MANUAL GP1300R WaveRunner F1G 28197 1F 11 LIT 18616 02 44 LIT186160244...
Page 340: ...YAMAHA MOTOR CORPORATION USA Printed in USA Feb 2003 0 0 1 CR E...