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Athena Cylinder Kit — 72.00 mm — YZ250

Athena · #0931-0440 · Top End / Engine

Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
Specially designed, high performance, hard anodized power valves (cannot use OEM)
Kit also includes Athena top end gasket set with required seals and hardware
Piston kit includes a forged race piston, rings, clips and pin

$1651.95

Not in stock right now — special order. Order it now and we email the ship date before we charge you a cent.

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 & features4 features

Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
Specially designed, high performance, hard anodized power valves (cannot use OEM)
Kit also includes Athena top end gasket set with required seals and hardware
Piston kit includes a forged race piston, rings, clips and pin

Specifications12 specs

Style: Big Bore
Units: Kit
Displacement: 293 cc
Material: Aluminum
Engine Type: 2-Stroke
Color/Finish: Silver
Riding Style: Off-Road
Bore Size: 72.00 mm
Cylinder Bore Coating: Nickel-Carbide
Shipping weight: 9 lb
Package size: 13.1 × 9.8 × 9.2 in
Country of origin: Italy

Fitment1 models · Yamaha

Yamaha1 models

YZ2502003–2025

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 #: 0931-0440
Athena part #: P400485100104
UPC: 8055681301122

Shipping

Special order. We email the ship date when you order.

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?: It isn’t in stock right now, but we can special-order it. We confirm timing by email when you order, before anything is charged.
How fast will it get to me?: We confirm the ship date when you order. If anything changes, you hear it from us first.
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 #P400485100104.