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, CRANKSHAFT and PISTON - A12ZN5EFF (49ATVCRANKSHAFT09SPXP550)

#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
3090301
Asm., Crankshaft [Incl. 4-10,12,20]
1
1
2
3090174
Piston, Set, .25 OS [Incl. Piston, Qty 2 of #13]
1
1
2
3090175
Piston, Set, .50 OS [Incl. Piston, Qty 2 of #13]
1
1
3
3090176
Ring, Piston Set, .25 OS [Incl. Qty 1 Top, Middle, Lower Ring]
1
1
3
3090110
Ring, Piston Set, Std. [Incl. Qty 1 Top, Middle, Lower Ring]
1
1
4
3090172
Rod, Connecting
1
1
5
3085400
Bearing, Large End (replaces 3085343)
1
1
6
3085024
Ball Steel
1
1
7
3090211
Gear, Balancer, Drive
1
1
8
3080676
Bearing, Ball
1
1
10
3090302
Crankshaft 1
1
1
11
3090109
Pin, Piston
1
1
12
3090170
Crankshaft 2
1
1
13
3085534
Clip
2
1
16
3081543
Key, Woodruff
1
1
17
3090113
Nut
1
1
18
3090114
Washer
1
1
19
3087976
Bearing, Needle
1
1