2Bros Parts

PISTON KIT 05-07 CR125 54.00 A, WOSSNER 8170DA HONDA MX 13110-KSR-730

$126.95

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Delivery to United States 5–8 business days

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Wossner 8170DA standard bore forged piston kit with a 54.00mm diameter. This kit is designed for optimal heat transfer from the combustion chamber to cylinder walls, and features an elliptical design that improves bearing surface and load distribution, preventing localized pressure and reducing the risk of piston collapse. Manufactured in Germany. Specifications include a bore diameter of 54.00 mm, 125 cm³ displacement, 54.50 mm stroke, 0.05 mm clearance, 2-stroke compression ratio (Wossner and OEM specification), and 28.00 mm compression height. This piston kit includes circlip CW15, wrist pin WP032, ring set RSB5400, and connecting rod P2009. Cross-reference OEM part numbers include 13110-KSR-730, 13120-KSR-730, 13111-KV3-000, 13111-KZ4-000, 13121-KSR-731, and 94601-15000.

Specifications
SKU
56-W859.A.WO
Brand
Wossner
Availability
In Stock (2)

Fitments (119)

MakeModelYear
GAS-GASEC 1252009
GAS-GASEC 1252010
GAS-GASEC 1252011
GAS-GASME 1252000
GAS-GASME 1252001
GAS-GASME 1252002
GAS-GASME 1252003
GAS-GASME 1252004
GAS-GASME 1252005
GAS-GASME 1252006
GAS-GASME 1252007
GAS-GASME 1252008
GAS-GASME 1252009
GAS-GASME 1252010
GAS-GASME 1252011
GASGASEC 1252000
GASGASEC 1252001
GASGASEC 1252002
GASGASEC 1252003
GASGASEC 1252004
GASGASEC 1252005
GASGASEC 1252006
GASGASEC 1252007
GASGASEC 1252008
HONDACR 1252004
HONDACR 1252005
HONDACR 1252006
HONDACR 1252007
HONDACR 125R2005
HONDACR 125R2006
HONDACR 125R2007
HUSQVARNACR 1251997
HUSQVARNACR 1251998
HUSQVARNACR 1251999
HUSQVARNACR 1252000
HUSQVARNACR 1252001
HUSQVARNACR 1252002
HUSQVARNACR 1252003
HUSQVARNACR 1252004
HUSQVARNACR 1252005
HUSQVARNACR 1252006
HUSQVARNACR 1252007
HUSQVARNACR 1252008
HUSQVARNACR 1252009
HUSQVARNACR 1252010
HUSQVARNACR 1252011
HUSQVARNACR 1252012
HUSQVARNACR 1252013
HUSQVARNACR 1252014
HUSQVARNASM 1251998
HUSQVARNASM 1251999
HUSQVARNASM 1252000
HUSQVARNASM 1252001
HUSQVARNASM 1252002
HUSQVARNASM 1252003
HUSQVARNASM 1252004
HUSQVARNASM 1252005
HUSQVARNASM 1252006
HUSQVARNASM 1252007
HUSQVARNASM 1252008
HUSQVARNASM 1252009
HUSQVARNASM 1252010
HUSQVARNASM 1252011
HUSQVARNASM 1252012
HUSQVARNASM 1252013
HUSQVARNASM 1252014
HUSQVARNASM S 1251998
HUSQVARNASM S 1251999
HUSQVARNASM S 1252000
HUSQVARNASM S 1252001
HUSQVARNASM S 1252002
HUSQVARNASM S 1252003
HUSQVARNASM S 1252004
HUSQVARNASM S 1252005
HUSQVARNASM S 1252006
HUSQVARNASM S 1252007
HUSQVARNASM S 1252008
HUSQVARNASM S 1252009
HUSQVARNASM S 1252010
HUSQVARNASM S 1252011
HUSQVARNASM S 1252012
HUSQVARNASM S 1252013
HUSQVARNASM S 1252014
HUSQVARNAWR 1251997
HUSQVARNAWR 1251998
HUSQVARNAWR 1251999
HUSQVARNAWR 1252000
HUSQVARNAWR 1252001
HUSQVARNAWR 1252002
HUSQVARNAWR 1252003
HUSQVARNAWR 1252004
HUSQVARNAWR 1252005
HUSQVARNAWR 1252006
HUSQVARNAWR 1252007
HUSQVARNAWR 1252008
HUSQVARNAWR 1252009
HUSQVARNAWR 1252010
HUSQVARNAWR 1252011
HUSQVARNAWR 1252012
HUSQVARNAWR 1252013
HUSQVARNAWR 1252014
HUSQVARNAWRE 1251998
HUSQVARNAWRE 1251999
HUSQVARNAWRE 1252000
HUSQVARNAWRE 1252001
HUSQVARNAWRE 1252002
HUSQVARNAWRE 1252003
HUSQVARNAWRE 1252004
HUSQVARNAWRE 1252005
HUSQVARNAWRE 1252006
HUSQVARNAWRE 1252007
HUSQVARNAWRE 1252008
HUSQVARNAWRE 1252009
HUSQVARNAWRE 1252010
YAMAHAYZ 1251997
YAMAHAYZ 1251998
YAMAHAYZ 1251999
YAMAHAYZ 1252000
YAMAHAYZ 1252001
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.00mm
Variant Id
258078
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 54.00mm Standard Bore Piston Kit for Honda CR125R

This Wossner 8170DA standard bore piston kit features a 54.00mm diameter and is designed for Honda CR125R models. Engineered from forged material, this piston kit offers enhanced strength, superior heat dissipation, and exceptional resistance to thermal stress, making it ideal for demanding two-stroke engine applications.

Key Features:

  • Standard bore forged piston specifically for Honda CR125R two-stroke engines.
  • Designed for optimal heat transfer from the combustion chamber to cylinder walls.
  • Elliptical design enhances bearing surface and improves load distribution.
  • Helps prevent localized pressure buildup and reduces the risk of piston collapse.
  • Precision manufactured in Germany for high-quality performance.

Specifications:

  • Bore Diameter: 54.00 mm
  • Stroke: 54.50 mm
  • Clearance: 0.05 mm
  • Compression Height: 28.00 mm
  • Compression Ratio: 2-stroke (Wossner and OEM specification)

Included Components:

  • Piston Kit
  • Circlip: CW15
  • Wrist Pin: WP032
  • Ring Set: RSB5400
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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