Athena Replacement Cylinder for Yamaha YZ125 1997-2004 with Athena Cylinder Kit

(4 reviews)

Item: 388366-453172

$333.86

Select Your Vehicle - Fitment Guaranteed

Athena Replacement Cylinder for Yamaha YZ125 1997-2004 with Athena Cylinder Kit


  • Only fits Athena cylinder heads, does not fit stock
  • Does not fit stock cylinder head
  • Aluminum cylinder with galvanic coating design
  • Sold individually
  • Made in Italy

Product Note: Only fits when used with Athena cylinder head. Does not fit stock head.

Specification Details
Bore 54 mm
Compression Ratio 14.3:1
Country of Origin Italy
Displacement 125cc
Material Aluminum
Size Over Standard Stock

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Yamaha
  • YZ125 1997-2004

Customer Reviews


Athena cylinder

By  Raymond W.  on  Verified Purchaser

Great piece.


Good product

By  Jamie K.  on  Verified Purchaser

It was a good product and great price for a brand name.


Athena cylinder

By  Matthew K.  on  Verified Purchaser

This cylinder fits like it should and performs the same.


No surprises

By  william t.  on  Verified Purchaser

High quality product, packaged well, came as advertised.


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Questions & Answers


Will my oem head bolt to this cylinder

By Steven S.

Athena cylinders are designed to work with all remaining OEM engine components. You shouldn't have any problems fitting them to any machine listed in our fit guide.

By Tom

Do the cylinders come cross hatched?

By Anon.

We have a bike that a kid had put together and are not sure if he crosshatched it,without A tear down. Thank you 🙏 for any help

Yes, these cylinders do come honed to create that cross hatch.

By Andy

is this cylinder a chrome bore?

By Anon.

Athena states these cylinders have a nickel-carbide coating.

By Andy

Have a question? Please ask our experts and customers who own this product.