Yamaha GP800R WaveRunner 2003, Service Manual

Page: 41 / 247

3-10
INSP
ADJ
E
POWER UNIT/ELECTRICAL
3. Measure:
●
Spark plug gap
a
Out of specification
→
Regap.
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
4. Tighten:
●
Spark plug
NOTE:
●
Before installing the spark plug, clean the
gasket surface and spark plug surface.
Also, it is suggested to apply a thin film of
anti-seize compound to the spark plug
threads to prevent thread seizure.
●
If a torque wrench is not available, a good
estimate of the correct tightening torque
for a new spark plug is to 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)
ELECTRICAL
Battery inspection
WARNING
Battery electrolyte is dangerous; it contains
sulfuric acid which is poisonous and highly
caustic.
Always follow these preventive measures:
●
Avoid bodily contact with electrolyte as it
can cause severe burns or permanent eye
injury.
●
Wear protective eye gear when handling
or working near batteries.
Antidote (EXTERNAL):
●
SKIN - Wash with water.
●
EYES - Flush with water for 15 minutes
and get immediate medical attention.