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 and BONNET - R12WH90DG (49RGRCYLINDERHD11DCREW)

#REQ indicates the total pieces used to complete the assembly. PACK QTY indicates the number of pieces per package. Price shown is per package.
1
3070039
Protector, Nozzle
3
1
2
3070040
Gasket, Nozzle
6
1
3
3070041
Cap, Valve
6
1
4
3070042
Asm., Cylinder Head [Incl. 5-13]
1
1
5
3070043
Plug
2
1
6
3070011
Plug
1
1
9
3070046
Spring, Valve
6
1
10
3070047
Retainer, Spring
6
1
11
3070048
Cotter
12
1
12
3070049
Seal, Valve Stem
3
1
13
3070050
Seal, Valve Stem
3
1
14
3070051
Asm., Arm Support [Incl. 15-22]
1
1
15
3070052
Asm., Rocker Shaft
1
1
16
3070053
Shaft, Rocker Arm
3
1
17
3070054
Spring, Shaft
2
1
18
3070055
Asm., Rocker Arm [Incl. 19,20]
6
1
19
3070056
Screw, Valve Adjust
6
1
20
3070057
Nut
6
1
21
3070058
Circlip
2
1
22
3070059
Screw
1
1
23
3070060
Bolt
3
1
24
3070061
Cover, Filler
1
1
25
3070062
Asm., Head, Bonnet [Incl. 26-37]
1
1
26
3070063
Plate, Baffle [Qty. 1 of 27]
1
1
27
3070064
Baffle, Breather
1
1
28
3070066
Asm., Diaphragm [Incl. 29-32]
1
1
29
3070067
Plate, Center
1
1
30
3070068
Cover, Diaphragm
1
1
31
3070069
Diaphragm
1
1
32
3070070
Spring, Diaphragm
1
1
33
3070071
Gasket, Bonnet
1
1
34
3070072
Cover, Bonnet
1
1
35
3070073
Gasket, Bonnet Cover
1
1
36
3070074
Screw
8
1
38
3070077
O-Ring
1
1
39
3070078
Bolt
3
1
40
3070079
Bolt
6
1
41
3070372
Lifter, Engine, Rear
1
1
42
3070080
Bolt
2
1
43
3070081
Plug, Glow
3
1
44
3070082
Connector, Glow Plug
1
1
45
3070083
Guide, Valve
6
1
46
3070373
Lifter, Engine, Front
1
1