Cylinder Components Inspection - Rotax 125 MAX evo Repair Manual

General
Components, which are found to be defective in the context of the visual inspection and
INSPECTION OF CYLINDER COMPONENTS
Instructions See
Preparation The following preparation is required before removal.
1. Remove lime deposits (1) from the water cooling of the cylinder.
2. Clean combustion residues from the exhaust valve and slider duct (2).
3. Clean O-ring groove (3).
4. Inspect all threads.
5. All sealing surfaces must be clean and smooth.
6. Inspect the cylinder bore for abnormal wear.
7. Inspect the impulse bore (4).
Figure 4.10: Cylinder
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Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0
BRP-Rotax
REPAIR MANUAL

CYLINDER COMPONENTS INSPECTION

Components, which have reached or exceeded their wear limits, must be replaced.
might influence the engine's performance, must also be replaced.
Figure: Cylinder.
1 Water duct
Groove for O-ring
3
ATTENTION
Exhaust valve port
2
Impulse bore
4
Chapter 4
Page 11