BRP-Rotax
REPAIR MANUAL
CRANK CASE INSPECTION
INSPECTION OF WATER PUMP DRIVE
General
NNOOTTEE
If the edges of the idle gear teeth (1) or the water pump pinion (2) show signs of
wear, both gears must be replaced.
Instructions See Figure: Water pump drive.
1. Inspect water pump gear (1), idle gear (2) and water pump pinion (3) for cracks (visual
inspection).
2. Inspect the teeth of the idle gear (2) and the water pump pinion (3) for wear.
3. Inspect the hole and the two axial surfaces of the idle gear (2) for signs of wear.
Figure 5.21: Water pump drive
1
Water pump gear 19 T
2
Idle gear 28/13 T
3
Water pump pinion 16 T
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Chapter 5
Page 26
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0
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