Customer Ratings
Customer Reviews
⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M.
⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy
⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis
⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric
Standard Bore Kit-Athena Cylinder/Wiseco Piston/Gaskets YZ125 2002-2004 54mm
$461.09
$516.90
Questions? Call or text us at:888-927-3076
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Customer Reviews
⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M.
⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy
⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis
⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric
Standard Bore Kit-Athena Cylinder/Wiseco Piston/Gaskets YZ125 2002-2004 *54mm*
Upgrade or rebuild your engine with this complete bolt-on top end kit, which includes premium components from trusted names like Athena and Wiseco. This kit is a hassle-free solution that eliminates the need for cylinder boring or replating while ensuring long-term reliability and performance.
Includes:
- Brand new Athena standard bore, Nikasil-plated cylinder
- Wiseco complete piston kit (standard bore/standard compression)
- Wiseco top end (wrist pin) bearing
- High-quality, comprehensive top end gasket kit
Features:
- Athena cylinders are ready to install with no machining or honing required
- Nickel silicon carbide (Nikasil) plating for long life and OEM-like finish
- Wiseco forged aluminum pistons are lightweight, reliable, and performance-tested
- Piston kit includes piston, rings, circlips, and wrist pin
- Gasket kit includes all essential gaskets for a full top end rebuild, including valve stem seals
- No core exchange or cylinder modifications necessary
Brand: Wiseco
Part Numbers:
1x S410485301003
1x 797M05400
Fitment:
- Yamaha YZ125 2002-2004
Note: Image is for reference only, actual product may vary slightly.
