Stihl 064 User Manual

STIHL 064, 066 10
Always check and, if necessary, repair the following parts before looking for faults on the engine:
- Air filter
- Fuel system
- Carburetor
- Ignition system
Condition Cause Remedy
Engine does not start Oil seals in crankcase Replace oil seals
easily, stalls at leaking
idle speed, but
operates normally Manifold leaking Seal or replace manifold
at full throttle
Cylinder base gasket Replace gasket
leaking
Crankcase damaged (cracks) Replace crankcase
Engine does not Secondary air seepage Mount manifold correctly or
deliver full power through poorly mounted replace
or runs erratically or faulty manifold
Piston rings leaking Fit new piston rings
or broken
Muffler carbonized Clean muffler (inlet and
exhaust), replace spark
arrestor screen (if fitted)
Engine overheating Insufficient cylinder Thoroughly clean all cooling
cooling. Air inlets in air openings
fan housing blocked or
cooling fins on cylinder
very dirty
Intake air preheating Remove intake air preheating
being used at too high components; close rotary
an outside temperature shutter
2.2 Engine

Stihl 064 Specifications

General

Brand	Stihl
Model	064
Category	Chainsaw
Language	English