Chapter 72-20-00 : Crankshaft, Bearings, Piston

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. Piston for monohook circlip configuration, see also SI-2ST-001.

b. With 2 rings, standard: RED 75.94 mm (2.989 in.), GREEN 75.95 mm (2.990 in.).

c. With 2 rings, 1st oversize: RED 76.19 mm (2.999 in.), GREEN 76.20 mm (3.000 in.).

d. With 2 rings, 2nd oversize: RED 76.44 mm (3.0094 in.), GREEN 76.45 mm (3.0098 in.).

e. Standard size.

f. 1st oversize.

g. 2nd oversize.

h. In use with piston part no. 888590, see also SI-2ST-001.

i. NOTICE: Use only once

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