Compact Radial Engines MZ201 Instruction And Maintenance Manual page 17

5. PROBLEM: THE PERFORMANCE OF THE ENGINE
Likely cause:
The recommended fuel mix has not been used.
Insufficient fuel feed.
The air filter is dirty.
The air inlet is leaking.
Carburettor diaphragm fuel pump (for engines
fitted with diaphragm carburettors).
No ignition.
Bad carburation.
IS UNSATISFACTORY
Remedy:
Check the fuel mix.
Check the fuel feed and clean the fuel filter if
necessary.
Clean or replace the air filter.
Tighten all joints, check the carburettor joints
for air-tightness.
Replace the diaphragm.
The ignition system is faulty. Check the ignition
circuit. Adjust the ignition.
Check the carburettor adjustments.
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