In stock

Vertex Piston Kit — 53.94 mm — Yamaha YZ125/X

Vertex · #0910-0966 · Top End / Engine

Piston is heat treated with a T-5 hardening and tempering cycle
Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Gravity-cast aluminum alloy (not forged) with 18% silicone content
Cast OE replacement piston
Kit includes piston, rings, wrist pin and circlips

$156.95

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

Kit Includes:

• Cast Replica Piston

• 1x Compression Ring

• Wrist Pin

• Circlips

Piston is heat treated with a T-5 hardening and tempering cycle
Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Gravity-cast aluminum alloy (not forged) with 18% silicone content
Cast OE replacement piston
Kit includes piston, rings, wrist pin and circlips

Specifications13 specs

Compression Ratio: Standard
Cylinder Diameter: 54.00 mm
Engine Type: 2-Stroke
Model: Cast Replica
Units: Kit
Piston Material: Aluminum Alloy, Cast
Skirt Coating: Molybdenum Disulphite
Piston Diameter: 53.94 mm
Riding Style: Off-Road
Displacement: 125 cc
Shipping weight: 0.4 lb
Package size: 3.3 × 2.2 × 2.2 in
Country of origin: Italy

Fitment2 models · Yamaha

Yamaha2 models

YZ1252005–2021
YZ125X2020–2022

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 numbersOEM cross-reference

Salto part #: 0910-0966
Vertex part #: 23119B
Replaces OEM #: 1C3-11631-03-D0

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 Vertex?: Yes. It’s new and genuine, straight from Salto — Vertex part #23119B.