Stihl MS 171 Manual page 12

4.4 Rewind Starter
Condition
Starter rope broken
Starter rope does not rewind
Starter rope cannot be pulled out
far enough
Starter rope can be pulled out
almost without resistance
(crankshaft does not turn)
Versions with ErgoStart
Starter rope is difficult to pull
and rewinds very slowly
MS 171, MS 181, MS 211
All manuals and user guides at all-guides.com
Cause
Rope pulled out too vigorously as
far as stop or over edge, i.e. not
vertically
Normal wear
Very dirty or corroded
Insufficient spring tension
Rewind spring worn
Spring overtensioned
Guide peg on pawl or pawl itself is
worn
Spring clip on pawl fatigued
Spring worn or fatigued
Carriers or pawls on flywheel faulty Install new ErgoStart carriers or
Starter mechanism is very dirty
Lubricating oil on rewind spring
becomes viscous at very low
outside temperatures (spring
windings stick together)
Remedy
Fit new starter rope
Fit new starter rope
Clean or replace rewind spring
Check rewind spring and increase
tension
Fit new rewind spring
Check rewind spring and reduce
tension
Fit new pawl
Fit new spring clip
Fit new ErgoStart spring housing
pawls
Thoroughly clean complete starter
mechanism
Coat rewind spring with a little
standard solvent-based degreasant
(containing no chlorinated or
halogenated hydrocarbons), then
pull rope carefully several times
until normal action is restored
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