Husqvarna 226R, Workshop Manual

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41
Cylinder and piston
The piston scored and worn from the piston
ring down on the inlet side.
Extensive damage to the lower part of the
piston’s inlet side.
Cause:
• Air fi lter incorrectly fi tted.
• Air fi lter damaged or missing.
Action:
Larger, harder particles that enter the engine cause serious damage to the underside of
the piston skirt.
Cause:
• Air fi lter damaged or missing.
• Parts from the carburettor or intake
system have come loose and entered
the engine.
Action:
Fit the air fi lter correctly.
Fit a new air fi lter.
Fit a new air fi lter.
Regular service and inspection.
Larger, softer particles that penetrate into the engine cause damage to the piston skirt
under the piston ring as the illustration shows.