In warehouse stock

Wiseco Piston Kit — 74.00 mm — Yamaha

Wiseco · #0910-4164 · Top End / Engine

Designed and built for 4 stroke engine models
Kit includes piston, piston rings, wrist pin(s) and circlips
Made in the USA

$243.95

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

Description & features3 features

Kit Includes:

• 1x Piston

• 1x Ring Set #2913XA

• 1x Wrist Pin #S688

• 1x Circlip Set #CW17

Designed and built for 4 stroke engine models
Kit includes piston, piston rings, wrist pin(s) and circlips
Made in the USA

Specifications15 specs

Units: Kit
Skirt Coating: ArmorGlide®
Compression Ratio: 9.5:1
Model: Forged Series
Bore - Oversize: Standard
Bore Size: 74.00 mm
Stroke Length: 58.00 mm
Riding Style: ATV, Off-Road
Engine Type: 4-Stroke
Piston Diameter: 73.95 mm
Displacement: 249 cc
Piston Material: Forged 2618 Aluminum
Shipping weight: 0.75 lb
Package size: 4.6 × 4.4 × 4.4 in
Country of origin: USA

Fitment5 models · Yamaha

Yamaha5 models

XT2502013–2025
YFM250 Raptor2008–2012
YFM250 Raptor SE2008
YFM250 Raptor SE Custom2008
YFM250R Raptor2011

Fitment comes from the distributor’s catalog. 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 #: 0910-4164
Wiseco part #: 40078M07400

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse 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?: The distributor lists it 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 Wiseco?: Yes. It ships new from the same distributors the big online stores buy from — Wiseco part #40078M07400.