Rotax 912 crankshaft, Rotax 912 S crankshaft, Rotax 914 pistons and parts diagram.

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Rotax 912, 912 S, and Rotax 914 pistons and parts diagram.

No.	Part#	Description	912 UL	912 A	912 F	912 ULS	912 S	914 UL	914 F	Price in Canadian Funds.
1	996 583	Crankshaft set	1a	1a	1a			1a	1a	$5076.00
	888 164	Crankshaft set				1i	1i	1i	1i	$5076.00
2	834 120	Free wheel gear 50T	1	1	1	1	1	1	1	$388.85
3	933 310	Bearing bushing	1	1	1	1	1	1	1	$76.90
4	852 401	Sprag clutch housing	1	1	1	1	1	1	1	$273.20
5	958 856	Sprag clutch 51.710x68.377x13	1	1	1	1	1	1	1	$362.90
6	845 420	Circlip 68	1	1	1	1	1	1	1	$7.80
7	842 570	Hex nut M34x1.5LH	1	1	1	1	1	1	1	$68.60
8	996 548	Piston assembly 79.5/79.51mm	4b	4b	4b					$284.30
	996 549	Piston assembly 79.5/79.51mm						4c	4c	$290.90
	888 381	Piston assembly 84/84.01mm				4d	4d			$325.20
9	215 400	Oil scraper ring 79.5mm	4	4	4			4	4	$32.70
	815 230	Oil scraper ring 84/76.5x3				4	4			$43.75
10	215 420	Tapered compr ring 79.5mm	4	4	4			4	4	$20.20
	815 280	Tapered compr ring 84/77x1.25				4h	4h			$30.85
11	215 590	Rectangular ring 79.5/72.9/1.5	4	4	4			4	4	$37.45
	815 251	Rectangular ring 84/77x1.5				4h	4h			$56.45
12	916 355	Piston pin 20x13.4/15.8x56	4	4	4					$55.70
	916 420	Piston pin 20x12x56						4	4	$99.45
	916 356	Piston pin 20x12x55.3				4	4			$55.40
13	845 106	Monohook circlip 20	8e	8e	8e	8e	8e	8e	8e	$2.10
14	250 510	O ring 87x2	4	4	4	4	4	4	4	$17.25
15	913 220	Cylinder	4f	4f	4f			4f	4f	$503.75
	913 221	Cylinder	4f	4f	4f			4f	4f	$503.75
	913 225	Cylinder				4g	4g			$539.70

Rotax 912 crankshaft, Rotax 912 S crankshaft, Rotax 914 pistons and parts diagram.

Stroke is 61mm, parts are marked with serial#

On 914, use only up to 914UL #4417790, 914F #4420163

b, c

Red dot - 79.50, green dot - 79.51mm

Red dot - 84.00, green dot - 84.01mm

Use only once!

A-79.50-79.512, B-79.513-79.524

A-84.00-84.012, B-84.012-84.024

912ULS the entire piston has to be exchanged up to #4425123

Stroke is 61mm, parts are marked with serial#

Introduced as per engine serial# as follows:

914UL	4417791
914F	4420164
912ULS	4425001
912S	4922501

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