Chapter 72-20-00 : Crankcase up to S/N 27811

See product table below

These illustrations and parts listings serve only as a guide, the selection of complex parts should be done by an approved iRMT to ensure that the correct parts are ordered. All maintenance and repairs should be carried by an appropriately rated iRMT. Comet Aviation Supplies will not be held responsible for parts incorrectly supplied. Refer to www.flyrotax.com and www.rotaxirmt.com for further information.

*Please pay attention to the footnotes as designated by an alphabet in the columns below.

*Please contact us directly to order parts for a Rotax certified engine.

*PPE – Parts Per Engine ; AR – As Required

*Please note that the price of PRE-ORDER items are subject to change due to fluctuating exchange rates. A sales representative will get back to you with an updated quote.

a. marked with S/N

b. Only for model 2 and 4

c. Tolerance group „C“ 1.820 – 1.829 mm

d. Tolerance group „D“ 1.830 – 1.839 mm

e. depending on configuration use 14 studs part no. 840752 M8x201 or 8 studs M8x201 and 6 studs part no. 840754 M8x210.

f. see Overhaul Manual of the respective engine type, current issue.

g. only for use with new cylinders 913221 with countersunk. With the cylinder 913225 the countersunk was already introduced starting from beginning of the production.

h. following Service Instruction has to be noticed:

  • SI-912-019 current issue
  • SI-914-021

i. 431570 introduced as per engine S/N as follows:

  • 912 UL: S/N 06,770.893
  • 914 UL: S/N 07,682.596
  • 912 A: S/N 04,410.977
  • 912 S: S/N 04,924,497
  • 912 F: S/N 04,413.018
  • 912 ULS: S/N 06,781.191
  • 914 F: S/N 04,421.170

j. Wrench size A/F 11

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