Yamaha MX800 - Troubleshooting; Engine Starting Problems

20
Troubleshooting
Engine won’t start
1. Check the engine oil system.
a. Add engine oil, if the engine oil level is low.
b. Consult a Yamaha dealer, if the engine oil level
is correct.
2. Check the spark plug.
a. Clean the spark plug if it has excessive carbon
deposits.
b. Check the spark plug gap, and adjust it if it is
incorrect.
c. Replace the spark plug if it still does not spark.
• To prevent FIRE HAZARDS be sure fuel is not
present in the spark plug area.
• To prevent FIRE HAZARDS be sure to place the
spark plug as far away as possible from the
spark plug hole area.
• To prevent ELECTRIC SHOCK do not hold spark
plug lead with hand while testing.
WARNING
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Standard spark plug:
BPR6ES (NGK)
Spark plug tightening torque:
20 N·m (2.0 kgf·m, 14 lb·ft)
7UD-F8199-61-1E0.book 20 ページ ２０１６年６月１４日 火曜日 午前１１時３９分