Evolution-engines 152GX Manual do Utilizador descarregar pdf (Página 11)

Troubleshooting Guide

If the engine does not start:

- Check and use a new spark plug if needed.

(Check the spark: put the plug into the cable end and by turning

the engine you´ll see the necessary spark. Note: The plug must

touch a metal part of the engine.)

- Check fuel lines.

- Check for proper mechanical function by turning the

engine over.

- Check that the carburetor is correctly installed.

- Remove the carburetor cover from the feed side; check

the filter and blow off carburetor with compressed air

(Caution: When using compressed air, use eye protection.);

when re-assembling be

careful to maintain the proper order of

the components.

- Check the vacuum feed line.

Mechanical Faults

If the engine cannot be turned over easily:

- The piston in the cylinder may be seized: loosen and unscrew

the cylinder bolts.

- Carefully remove the cylinder.

- Visually examine the piston and crankcase to find the likely cause

of the engine’s mechanical problem.

NOTE: Mechanical repairs must always be completed by our

professional service department.

Replacing the reed valve:

– Loosen carb screws and remove the carburetor (be careful to not

damage the gasket).

– Loosen four M4 screws on the flange, remove the flange and take

off the reed valve (be careful to not damage the gasket).

– Loosen four M2 screws and remove the old valves, replace them

with new ones, replace all screws and tighten gently.

– Be sure the gaskets are in their proper places.

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Evolution-engines 152GX Manual do Utilizador Página 11