Os-engines 21VZ-B V-Spec Manuel d'utilisateur télécharger pdf (Page 25)

Fitting Dust

Caps

When storing the engine, fit it to exhaust

port, carburetor, etc. to prevent dust entering

inside the engine.

CHECKING THE ENGINE

Engine will not develop normal performance

after long time running due to wearing of parts.

It is suggested to replace necessary parts when

the following symptoms are detected.

Engine sound changes and easily overheats.

Power has dropped extremely.

Idling is unstable and/or engine tends to stop

at idling.

In most cases, ball bearings, cylinder & piston

assembly, connecting rod and/or crankcase have

become worn out or abnormal. Check the

parts carefully and replace them if necessary.

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Os-engines 21VZ-B V-Spec Manuel d'utilisateur Page 25