OEM Parts Finder

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Welcome to NCY Motorsports online Parts Fiche. Below are a few things you should consider before ordering parts online for your Yamaha motorcycle, dirt bike, scooter, KTM dirt bike and Polaris ATV or side by side. Please feel free to email us with any questions.

  • All available parts are genuine OEM Parts.
  • Online orders must be shipped. No in-store pickup.
  • For older vehicles not all parts may be available (If you see a part listed without a price, the part is not available).
  • You are responsible for what you order, so please be sure you are ordering the correct part(s).
  • Returns may be subject to a 15% restocking fee.
  • No returns on electrical parts.
  • Returns must be made within 15 days from day you received your order.

ENGINE, CYLINDER HEAD - A15YAK05AD/AF (49ATVCYLINDERHD11SP90)

#REQ indicates the total pieces used to complete the assembly. PACK QTY indicates the number of pieces per package. Price shown is per package.
0455395
ASM., ENGINE, 4 STROKE, W/O CARB (replaces 0454995)
1
1
1
0450880
NUT
2
1
2
0453573
STUD
2
1
3
0453520
BOLT
2
1
4
0453823
O-RING
2
1
5
0453537
CAP, VALVE
1
1
6
0452389
CLIP, RETAINER
4
1
7
0453443
RETAINER, VALVE SPRING
2
1
8
0453442
SPRING, VALVE, INNER
2
1
9
0453441
SPRING, VALVE, OUTER
2
1
10
0453444
SEAT, VALVE SPRING, OUTER
2
1
11
0453426
SEAL, VALVE
2
1
12
0454017
VALVE, INTAKE
1
1
13
0453575
GUIDE, VALVE INTAKE
1
1
call for price
14
0454937
ASM., HEAD, CYLINDER [INCL. 6-13,29,31]
1
1
16
0453932
ASM., MANIFOLD, INTAKE [INCL. 17]
1
1
17
0453563
O-RING
1
1
18
0453898
INSULATOR, MANIFOLD
1
1
19
0455379
GASKET, MANIFOLD (replaces 0453899)
1
1
20
0452342
PIN, DOWEL
2
1
21
0455336
GASKET, CYLINDER HEAD (replaces 0453900)
1
1
26
0455402
ASM., COVER, CYLINDER HEAD, SMALL, LH (replaces 0453582)
1
1
27
0453520
BOLT
1
1
28
0453828
STUD
2
1
29
0454018
VALVE, EXHAUST
1
1
30
0455478
GASKET-COVER,CYLINDER HEAD (replaces 0455337)
1
1
31
0453576
GUIDE, VALVE, EXHAUST
1
1
32
0453534
COVER, CYLINDER HEAD
1
1
33
0453510
WASHER
5
1
34
0453553
NUT
4
1
35
0453519
BOLT
2
1
36
0453723
BOLT
1
1
37
0453535
COVER, HEAD, RH
1
1
38
0455479
GASKET, COVER, CYLINDER HEAD, RH (replaces 0453539)
1
1
39
0455480
GASKET-COVER,CYL HEAD,LH (replaces 0455339)
1
1
40
0453034
PLUG, SPARK
1
1