In stock

Wiseco Piston Kit — 39.50 mm — KTM 50SX LC/50 Mini Adventure

Wiseco · #803M03950 · Bottom End / Engine

Designed for all-purpose 2-stroke riding
Durability, longevity and increased horsepower
Dedicated forging design for strength-to-weight optimization
Extra lightening operations for enhanced throttle response
Engineered, forged, and machined in the USA

$116.95

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 & features6 features

Kit Includes:

• 1x Piston

• 1x Ring Set #1555CS

• 1x Wrist Pin #S563

• 2x Circlips #CW12

Designed for all-purpose 2-stroke riding
Durability, longevity and increased horsepower
Dedicated forging design for strength-to-weight optimization
Extra lightening operations for enhanced throttle response
Engineered, forged, and machined in the USA
Piston is made in the USA

Specifications13 specs

Displacement: 49 cc
Model: Pro-Lite
Engine Type: 2-Stroke
Skirt Coating: Non-Coated
Bore Size: 39.50 mm
Piston Material: 4032 Aluminum Alloy, Forged
Riding Style: Off-Road
Stroke Length: 40.00 mm
Units: Kit
Bore - Oversize: Standard
Shipping weight: 0.35 lb
Package size: 3.5 × 3.1 × 3.1 in
Country of origin: USA

Fitment5 models · KTM

KTM5 models

50 Mini Adventure2002–2007
50 SX LC Pro Junior2001, 2008
50 SX LC Pro Senior2008
50 SX Pro Jr LC2002–2005
50 SX Pro Sr LC2001, 2003–2005

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 #: 803M03950
Wiseco part #: 803M03950

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 Wiseco?: Yes. It’s new and genuine, straight from Salto — Wiseco part #803M03950.