- Big Bore Kit
- Brand
- 50 Caliber Racing (48)
- Advantage Parts (28)
- Alpha Rider (36)
- Athena (92)
- Athena Az Quad Parts (24)
- Bbr Motorsports (70)
- Cylinder Works (81)
- Honda (39)
- Hyway (29)
- Niche (57)
- Polaris (25)
- Power Part Pros (57)
- S & S Cycle (122)
- Smm (26)
- Tb Parts (146)
- Tbparts (46)
- V-twin (36)
- Vertex (47)
- Wiseco (79)
- Yamaha (49)
- Other (2180)
- Compatible Make
- Engine Type
- Machine Type
- Piston Type
- Unit Type
Yamaha Wr 250r Athena Big Bore Kit 83mm 2008-2013
Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.