2Bros Parts

PISTON KIT 88-07 YFS200 67.00, WOSSNER 8101D100 YAMAHA ATV

$123.07

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

Wossner 8101D100 forged piston kit with a 67mm bore size (+1.00mm oversize). This piston is designed for high-performance applications, optimizing combustion heat transfer, preventing piston collapse, and improving engine durability. Features an elliptical design for even thrust load distribution and uniform bearing surface under high thermal expansion. Manufactured in Germany. Features include a forged piston design for enhanced strength and durability, superior heat transfer, an elliptical piston shape to reduce localised pressure, and resistance to piston collapse. Specifications include a bore size of 67.00 mm, actual bore diameter of 66.94 mm, stroke of 57.00 mm, displacement of 199 cm³, clearance of 0.06 mm, compression height of 29.90 mm, and a 2-stroke type compression ratio. Cross-reference OEM part numbers: Piston Kit 8101D100, Lock CW16, Pin WP027, Ring Set RSB6700 (x2), Rod P2030. Weight 304 grams.

Specifications
SKU
56-W573+100.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
67mm
Variant Id
256944
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 8101D100 Forged Piston Kit - 67.00mm (+1.00mm Oversize)

Upgrade your Yamaha YFS200 Blaster with the Wossner 8101D100 forged piston kit. This high-performance component is precision-engineered in Germany to optimize combustion, enhance durability, and provide superior performance for your ATV.

The forged construction offers exceptional strength, while the unique elliptical piston design ensures even thrust load distribution and prevents piston collapse under high thermal stress. This results in improved engine longevity and consistent power delivery.

Key Features:

  • Forged piston design for enhanced strength and durability.
  • Optimized for superior heat transfer from the combustion chamber.
  • Elliptical piston shape minimizes localized pressure for uniform bearing surface.
  • Engineered to resist piston collapse under extreme operating conditions.
  • Manufactured to the highest standards in Germany.

Specifications:

  • Bore Size: 67.00 mm
  • Actual Bore Diameter: 66.94 mm
  • Stroke: 57.00 mm
  • Displacement: 199 cm³
  • Piston Clearance: 0.06 mm
  • Compression Height: 29.90 mm
  • Compression Ratio: 2-stroke type (compatible with Wossner and OEM specifications)
Before you buy

QUESTIONS? JUST ASK

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

Call or email us with your make, model and year 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.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1