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Home / Rotax Engines & Parts / Parts / 912/914 Series / Cylinder Head /Rotax 912 | 914 Ul Engine Cylinderhead | Valve Train | Valve Cover
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Rotax 912 | 914 Ul Engine Cylinderhead | Valve Train | Valve Cover

2 Reviews 0 Answered Questions
From $0.53 to $398.00
Reference Chart

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No. Rotax Number Description Qty 912 UL Qty 912 ULS Qty 914 UL PN Price Buy
8854-186VALVE SPRING RETAINER888
15-01652
$25.50
Quantity
16854-383ROCKER ARM LEFT ASSEMBLY4g4g4g
15-01669
$398.00
Quantity
18854-393ROCKER ARM RIGHT ASSEMBLY4g4g4g
15-01673
$398.00
Quantity
22927-942WASHER 6.0/12/1444
15-09601
$2.76
Quantity
26245-440RETAINING RING 8j8j8j
15-00236
$0.53
Quantity
Subtotal $0.00
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Overview

- Items not illustrated
  • 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: Use only 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-914-30


Explanations of symbols and statements in part number charts:
  • N = Newly introduced part number
  • s.v. = Still valid. Part was replaced by compatible component and can not be supplied any longer by the producer. Existing stock may be used.
  • AR = As required. This generally refers to shims, hose, wires, and cable. Measure the amount you need before ordering. Many times there will be multiple listings of different lengths with the same part number. Use individual part descriptions to determine the proper length needed.
  • n.a or NLA = No longer available, no replacement from Rotax. Part is no longer available due to incompatibility to current production or unavailability of part.
  • CALL = Please call for price, 800-247-9653

Notes

No.
Status
Part No.
 Description
912 UL
912 ULS
914 UL
Price
2
N
413-185
 CYLINDER HEAD 2/3 ASSEMBLY
2ap
*
5
n.a.
VALVE SPRING SUPPORT
8c
8c
NLA
8
n.a.
VALVE SPRING 37 MM
8c
8c
NLA
9
n.a.
VALVE SPRING 35 MM
8c
8c
8c
NLA
11
n.a.
VALVE SPRING RETAINER
8c
8c
8c
NLA
17
n.a.
ROCKER ARM LEFT ASSEMBLY
4e
4e
4e
NLA
18
n.a.
ROCKER ARM RIGHT ASSEMBLY
4e
4e
4e
NLA
19
s.v.
854-195
 ROCKER ARM SHAFT
4
4
4
NLA
21
  
933-397
 BUSHING VESPEL
(8)f
(8)f
(8)f
NLA
34
xxx-xxx
 SEE CHAPT. 75-20-00 FIG. 1
1
1
1
-

Reviews

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Fit perfectly

Brett B Verified Purchase

ROTAX 854-186 VALVE SPRING RETAINER
August 12, 2024

I have a bended heds

Jon
February 10, 2014

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