Chapter 72-20-00 : Cylinderhead, Valve Train, Valve Cover

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.

Description

*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.



Fig. NumberSKUProduct TitlePPE 914ULPPE 912ULPPE 912ULSPriceAction

100413236

Cylinder Head 2/3 Assy R36,824.10

Available on backorder

100413185

Cylinder Head 2/3 Assy R36,824.10

Available on backorder

100413195

Cylinder Head 1/4 Assy R37,692.89

Available on backorder

100413246

Cylinder Head 1/4 R36,824.10

Available on backorder

100854101

Intake Valve 38mm R1,735.27

13 in stock

100854113

Exhaust Valve 32mm R3,989.18

4 in stock

100926210

Shim 16/27.9/1 R59.98

Available on backorder

100230810

Valve Stem Seal R135.06

8 in stock

100838156

Valve Spring R506.32

Available on backorder

100854186

Valve Spring Retainer R471.35

Available on backorder

100253092

Valve Cotter R47.58

33 in stock

100924440

Oil Return Tube R503.78

8 in stock

100850930

O-Ring 16×5 R136.91

10 in stock

100854862

Valve Push Rod Assy R2,496.34

24 in stock

100854193

Rocker Arm Shaft R440.66

16 in stock

100854383

Rocker Arm Left R3,463.55

14 in stock

100933396

Bushing R1,322.39

Available on backorder

100854393

Rocker Arm Right R3,527.10

19 in stock

100612263

Valve Cover Black R3,629.73

Available on backorder

100612262

Valve Cover Red R4,600.47

Available on backorder

100612260

Valve Cover Green R3,629.73

Available on backorder

100881920

O-Ring Set R1,066.73

3 in stock

100430205

O-Ring 6.4 x 1.8 R138.06

8 in stock

100250285

O-Ring 105 x 2.5 R464.68

17 in stock

100927941

Washer 6.0/12/1 R26.45

12 in stock

100840887

Allen Screw M6x30 R38.18

8 in stock

100253114

Inlet Valve Guide R270.05

7 in stock

100854224

Inlet Valve Guide R1,677.44

Available on backorder

100245440

Retaining Ring A12 R19.88

15 in stock

100931920

Gasket Ring R523.93

4 in stock

100881832

Hydraulic Valve Lifter Tappet Set R12,652.55

3 in stock

100837196

Camshaft 227 deg. Assy R28,034.15

Available on backorder

100837418

Camshaft 230 deg. Assy R40,047.62

Available on backorder

a. for cylinder 2 and 3

b. for cylinder 1 and 4

c. Up to engine S/N

  • 912 A: 4,410.203
  • 912 F: 4,412.756
  • 912 UL: 4,401.879
  • 914 F: 4,420.038
  • 914 UL: 4,417.597
  • Single valve springs and double valve springs if required are allowed to be mounted in one engine.

 

d. From engine S/N

  • 912 A: 4,410.204
  • 912 F: 4,412.757
  • 912 UL: 4,401.880
  • 914 F: 4,420.039
  • 914 UL: 4,417.598

 

e. With sintered bronze bushing f Oversize +0.2 mm (0.008 in.)

g. Rocker arm version with vespel bushing

  • From engine S/N
  • 912 A: 4,410.472
  • 912 F: 4,412.817
  • 912 S: 4,922.768
  • 912 UL: 4,404.621
  • 912 ULS: 4,427.487
  • 914 F: 4,420.314
  • 914 UL: 4,418.104

 

h. for inlet valve, chafe up to new measurement

i. for outlet valve, chafe up to new measurement

j. NOTICE – ONLY USE ONCE!

k. for rework of exhaust port See Overhaul Manual of the respective engine type, current issue.

l. Marked with S/N

m. Without worm gear

n. pre-filled, 8 parts per set

o. Cylinder heads where the coolant temperature is measured.

p. see SI-914-3

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