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2013 Rotax Engines Crankcase Update

2013 Rotax Engines Crankcase Update

2013 Rotax Engines Crankcase Update

crank4

Engines sold from 2013 onwards will have a new crankcase, which provides a new serial number plate on each engine. Reliability should also be slightly improved because the fixation of the crankshaft oil seals has been improved to avoid the seals popping out.

The older crankcase with part number 295911 is replaced by the new crankcase part number 295913

Specification of the new crankcase 295913:

1. Both crankcases (new and existing) are 100% interchangeable.

2. New crankcase is designed for equal performance compared to the existing
crankcase
.

3. Material accumulations in different areas have been eliminated to improve the casting
process (lower risk of porosity leaks).

4. The fixation of the crankshaft oil seals in the crankcase is improved to avoid the
popping out of the oil seals.

5. At the engine assembly the new crankcase will be stamped with the engine serial no.
(see following picture no. 1) and in addition a type plate with the engine serial no.
(+ serial no. in bar code) will be fixed to the crankcase (see picture no. 2).

Crank Plate

Crank Plate

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