Evolution Engines EVOE116GX2 - Manual (Page 7)

6
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 a
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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