2Bros Parts

PISTON KIT 94-00 KTM125 54.25, WOSSNER 8029DA FORGED 50330007000

$138.57

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Wossner piston kit with a 54.25mm bore designed for KTM 125cc two-stroke models from 1994 to 2000. This forged piston from Germany offers reliable performance and optimal heat transfer. Features include a forged piston construction for strength and longevity, engineered design for efficient combustion heat transfer, and an elliptical shape for uniform pressure distribution and reduced piston collapse. Specifications include a bore size of 54.00mm, actual piston size of 54.25mm, 125cm³ displacement, 54.10mm stroke, 0.06mm clearance, 2-stroke compression ratio, and 28.00mm compression height. OEM part numbers cross-referenced are 50330007000, 09104750, and 740M05425. Included components are Wossner Piston PN# 8029DA, Lock PN# CW15, Pin PN# WP032, Ring Set PN# RSB5425, and Rod PN# P2011.

Specifications
SKU
56-W740.A.WO
Brand
Wossner
Availability
In Stock (3)

Fitments (37)

MakeModelYear
KTM125 EGS1994
KTM125 EGS1995
KTM125 EGS1996
KTM125 EGS1997
KTM125 EXC1994
KTM125 EXC1995
KTM125 EXC1996
KTM125 EXC1997
KTM125 EXC1998
KTM125 EXC1999
KTM125 EXC2000
KTM125 EXC2001
KTM125 EXC2002
KTM125 EXC2003
KTM125 EXC2004
KTM125 EXC2005
KTM125 EXC2006
KTM125 EXC2007
KTM125 EXC2008
KTM125 EXC2009
KTM125 EXC2010
KTM125 EXC2011
KTM125 EXC2012
KTM125 EXC2013
KTM125 EXC2014
KTM125 EXC2015
KTM125 GS1994
KTM125 GS1995
KTM125 GS1996
KTM125 GS1997
KTM125 SX1994
KTM125 SX1995
KTM125 SX1996
KTM125 SX1997
KTM125 SX1998
KTM125 SX1999
KTM125 SX2000
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.25mm
Variant Id
257568
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit for KTM 125cc

Enhance your KTM 125cc two-stroke engine's performance with this high-quality Wossner forged piston kit. Precision engineered in Germany, this kit is designed for durability and optimal engine function under demanding conditions.

Key Features:

  • Forged Piston: Offers superior strength, increased resistance to heat and stress, and a longer service life.
  • Optimized Heat Transfer: Engineered to efficiently transfer combustion heat to the cylinder walls, contributing to better engine cooling and performance.
  • Elliptical Design: Promotes uniform pressure distribution across the piston, reducing the risk of piston collapse and ensuring consistent operation.
  • German Engineering: Manufactured to exacting standards for reliability and precision.

Specifications:

  • Bore Size: 54.00 mm
  • Actual Piston Size: 54.25 mm
  • Displacement: 125 cm³
  • Stroke: 54.10 mm
  • Clearance: 0.06 mm
  • Compression Ratio: 2-stroke (Wossner and OEM compatible)
  • Compression Height: 28.00 mm

Included Components:

  • Wossner Piston (PN# 8029DA)
  • Lock (PN# CW15)
  • Pin (PN# WP032)
  • Ring Set (PN# RSB5425)
  • Rod (PN# P2011)

Cross-Reference OEM Part Numbers:

  • 50330007000
  • 09104750
  • 740M05425
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call us+44 330 133 3748
Email us[email protected]

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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