Other information:
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the spark plug is normal.
If the electrode is wet, check the damage and electrode gap as below.
[ ...
Components
1. Crank shaft upper bearing2. Thrust bearing3. Crankshaft4. Crankshaft lower bearing5. Main bearing cap
...