Connecting Rod; Bottom End - Vortex MINI ROK Owner's Manual

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5.14. Connecting Rod

Every 60 hours the roller cage must be changed. During this operation is good use to check, and
eventually replace the connecting rod, too.
Due to special tools required, this operation must be performed by the Vortex technicians or
qualified mechanics only.

5.15. Bottom End

Bearings must be checked, and eventually replaced, after 60 hours of use.
Bearings must be assembled or reassembled, with name and type facing each others.
Due to special tools required, this operation must be performed by the Vortex technicians or
qualified mechanics only.
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pin circlips may cause important damage.
14.Place the piston ring in the piston and check
both ends close properly against the brass pin
inserted in the piston.
15.Place a new gasket (9) into the four studs
(10).
16.Insert the cylinder into the four studs
carefully.
17.Check the rubber O.R. (6) and the copper
gasket (5) and eventually re place them with
new ones. Brass gasket may provoke changes in
the combustion chamber volume.
18.Re-place the cylinder head carefully in the
four studs.
19.Insert brass washers (2) and nuts (3).
20.Tighten cylinder head with proper tool and
torque.
Important: After changing the piston, the
engine must go through another break-in
period. See "Starting and Break-in".
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