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97-04 Yamaha YZ125 Athena Standard Bore Replacement Cylinder 54mm S410485301003

Customer Ratings

4.9/5 (546 Reviews)

4.81/5 (1,689 Reviews)

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

97-04 Yamaha YZ125 Athena Standard Bore Replacement Cylinder 54mm S410485301003

Name: 97-04 Yamaha YZ125 Athena Standard Bore Replacement Cylinder 54mm S410485301003
Brand: Athena
SKU: S410485301003-Athena
Price: 400.97 USD
Availability: OutOfStock

$400.97

Questions? Call or text us at:1-888-927-3076

Item is in stockOnly 0 left in stockItem is out of stock Item is unavailable

Fitment

Notes:

Athena supplies the widest range of spare gaskets available on the market. Athena gaskets are the result of over forty years of experience in the sector, solid know-how and advanced technical skills in design and production. Athena praises a constant technological development carried out by an in-house team of engineers and designers and a production Made in Italy performed following the strict parameters required by OEMs.

This kit is exclusively for use with the Athena racing kit and is not compatible with standard bikes; it requires the complete Athena race kit for proper installation.This kit is designed to fit YZ125 models from 1997 to 2004, but please note that the exhaust specifications for the 1997 and 1998 models differ. If you're installing this kit on a 1997 or 1998 YZ125, you'll need to use 1999 to 2003 pipe. Ensure you confirm the correct year of your bike before proceeding.

Standard Bore Cylinder Only

BRAND: Athena
MPN: S410485301003
SIZE: 54.00mm Bore, 14.8:1 Compression

97-04 Yamaha YZ125 Athena Standard Bore Replacement Cylinder 54mm S410485301003

$400.97

Customer Ratings

4.9/5 (546 Reviews)

4.81/5 (1,689 Reviews)

5 stars: 1 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

Need to return this items

Was purchased and not needed for my bike and also were not correct

Is this for a two stroke yamaha yz125

Lionparts Powersports

Yes, it is for a two-stroke 125cc (YZ125)

the Athena Cylinder part number S410485301003 corresponds to a standard bore 54.0 mm cylinder for the Yamaha YZ125 125 cc engine (years 1997-2004).

Does this cylinder use the stock head and stock power valve

Lionparts Powersports

This kit is exclusively for use with the Athena racing kit and is not compatible with standard bikes; it requires the complete Athena race kit for proper installation.

What size piston goes in this cylinder

Lionparts Powersports

Stock Bore 54, power HR.RPM Compression: 35.3/11000 14.3:1