ROTAX 125 MAX evo, Junior MAX evo, Mini MAX evo, Micro MAX evo
4.3. Exchange of the clutch drum with chain sprocket fitted
Remove spark plug connector and spark plug.
Fit locking bolt (part no. 277380) right down to stop in spark plug thread.
Remove hex. nut (pos. 14) and thrust washer (pos.13). See fig. 3.
Remove clutch drum (pos.7) with fitted chain sprocket.
Clear thread of crankshaft and hex. nut (pos.14) from remains of bonding agent and
degrease.
Fig. 3
Note: Only sprockets with the ROTAX logo are GENUINE ROTAX parts!
Note: For the chain sprocket with 11 teeth, use the plain bearing (pos. 9) instead of the
needle cage (pos. 10). The plain bearing has to be pressed flush into the bore of
the chain sprocket with chamfered end leading.
If not absolutely necessary on a certain track try not to use a chain sprocket with 11
teeth because of the heavy wear of the plain bearing (pos. 10) used only with this
sprocket.
Apply grease on needle cage (pos. 9) at use of chain sprocket with 12, 13 and 14
teeth or on plain bearing (pos. 10) for chain sprocket with 11 teeth.
Fit the assembled clutch drum with the selected number of teeth.
Apply LOCTITE 221 on the thread of hex.nut (pos. 14).
Note: A smaller thrust washer (pos. 13) is required for the chain sprocket with 11 teeth,
than when using the chain sprocket with 12, 13 and 14 teeth.
Seite/page 81/98
Ausgabe/Edition 11/2014
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