2Bros Parts

PISTON KIT 94-00 KTM125 54.75, WOSSNER 8029D050 FORGED

$127.41

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Delivery to United States 5–8 business days

Out of Stock

Wossner forged piston kit with a 54.75mm bore (+0.50mm oversize) designed for 125cc two-stroke motorcycles. Precision-forged in Germany, this piston is optimized for durability, thermal efficiency, and reliable performance in high-revving applications. Features include forged construction for enhanced strength and engine longevity, optimized heat transfer from the combustion chamber to the cylinder wall, and an elliptical shape for even load distribution and to prevent piston collapse during thermal expansion. Specifications: Bore size 54.75 mm, actual piston size 54.69 mm, display (cm³) 125, stroke 54.10 mm, clearance 0.06 mm, compression ratio 2-stroke (Wossner and OEM), and compression height 28.00 mm. Included components: Piston (Wossner PN# 8029D050), Lock (PN# CW15), Pin (PN# WP032), Ring Set (PN# RSB5475), Rod (PN# P2056).

Specifications
SKU
56-W740_050.WO
Brand
Wossner
Availability
Out of Stock
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.75mm
Variant Id
257575
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 54.75mm for KTM 125cc

This Wossner piston kit is precisely engineered for durability and peak performance in high-revving two-stroke engines. With a 54.75mm bore, this kit is designed to optimize thermal efficiency and provide reliable power output.

Key Features

  • Forged Construction: Enhances strength and extends engine longevity.
  • Optimized Heat Transfer: Engineered to efficiently transfer heat from the combustion chamber to the cylinder wall.
  • Elliptical Piston Design: Ensures even load distribution and prevents piston collapse under thermal expansion.
  • German Manufacturing: Built with precision and quality assurance in Germany.

Specifications

  • Bore Size: 54.75 mm
  • Actual Piston Size: 54.69 mm
  • Engine Displacement: 125 cm³
  • Stroke: 54.10 mm
  • Clearance: 0.06 mm
  • Compression Ratio: 2-stroke (Wossner and OEM)
  • Compression Height: 28.00 mm

Included Components

  • Piston: Wossner PN# 8029D050
  • Lock: PN# CW15
  • Pin: PN# WP032
  • Ring Set: PN# RSB5475
  • Rod: PN# P2056
Before you buy

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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

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Out of stock