Mitsubishi Evolution EVOMITS Original Instructions Manual page 223

Between 6 – 8 full turns of the bolt head
should be sufficient for the dog clutch to be
disconnected from the engine crankshaft. This
however may not be apparent to the operator as
the bolt may not withdraw from the dog clutch.
• Gently pull on the dog clutch and ease the
assembly from the engine.
The rubber coupling can now be inspected
in 'situ' or removed from the inside of the
dog clutch for closer inspection. For close
inspection, gently ease the rubber coupling
from the inside of the dog clutch by pulling it
outwards. A flat bladed screwdriver can be used
to help ease the rubber coupling from the dog
clutch, but exercise care so as not to score or
otherwise damage any of the parts.
Inspect the 6 'teeth' of the rubber element for
wear or damage.
Slight surface hairline fractures of the rubber
compound are to be expected and are acceptable.
Cracks or missing rubber is not acceptable, and if
detected the element must be replaced.
If you are at all doubtful of the serviceability of the
rubber element replace it as a matter of course.
http://www.evolutionpowertools.co.uk/evosystem
Replacement of the rubber element and dog
clutch is a reversal of the removal procedure.
However note the following:
• The rubber element is a precise fit within
the dog clutch.
• The rubber element within the dog clutch
must be aligned with the tri-lobed drive
sprocket on the engine crankshaft.
• The ø19 mm bolt must be screwed fully
'home' into the 'top hat bush'
• Gently push the dog clutch into place within
the engine.
• Hold the crankshaft so that it cannot rotate.
• Tighten the ø19 mm bolt using a 19mm
socket and tommy bar drawing the dog clutch
into its operational position on the output side
of the engine.
• Tighten the ø19 mm bolt to 'Hand Tightness'.
In operation the bolt is 'self tightening'.
• Replace the recoil starting system, which is a
reversal of the removal procedure.
• Ensure that the recoil system is re-fitted in the
same position it occupied prior to removal.
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