In stock

Athena Piston Kit — 53.97 mm — Yamaha YZ125

Athena · #0910-3893 · Bottom End / Engine

High resistance to mechanical and thermal stresses
Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions
Equipped with piston rings that guarantee less friction with the OE cylinder producing a higher performance
Made by reverse extrusion
For OE cylinder.

$130.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features5 features

High resistance to mechanical and thermal stresses
Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions
Equipped with piston rings that guarantee less friction with the OE cylinder producing a higher performance
Made by reverse extrusion
For OE cylinder.

Specifications13 specs

Engine Type: 2-Stroke
Displacement: 124 cc
Riding Style: Off-Road
Compression Ratio: Stock
Piston Head Shape: Flat Top
Units: Kit
Bore Size: 53.97 mm
Piston Material: 4032 Aluminum Alloy
Style: Forged Race
Type: C
Shipping weight: 0.6 lb
Package size: 4.2 × 3.5 × 3.5 in
Country of origin: Italy

Fitment1 models · Yamaha

Yamaha1 models

YZ1252005–2021

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0910-3893
Athena part #: S4F05400017C
UPC: 8050444893913

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Athena?: Yes. It’s new and genuine, straight from Salto — Athena part #S4F05400017C.