2Bros Parts

PISTON 73-81 MAICO 400 77.00, FORGED WOSSNER 8047DA KIT

$216.51Only 1 left

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Wossner 77.00mm forged piston kit for Maico 400 models (1973-1981). Features superior strength, optimized heat transfer for improved combustion efficiency, and an elliptical design for uniform bearing surface and reduced localized pressure. Precision-engineered to prevent piston collapse. Made in Germany. Specifications: Bore Size 77.00mm (76.92mm), Standard Size (STD), Displacement 386cc, Stroke 83.00mm, Clearance 0.08mm, Compression Ratio 2-stroke, Compression Height 41.70mm, Lock Part Number CW18, Pin Part Number WP039, Ring Set Part Number RSC7700. Weight 412g.

Specifications
SKU
56-W142+0.00
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77mm
Variant Id
254686
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 77.00mm Forged Piston Kit for Maico 400

Enhance the performance and longevity of your Maico 400 motorcycle with this high-quality forged piston kit from Wossner. Engineered for strength and precision, this piston is designed to ensure optimal engine operation. The advanced design promotes efficient heat transfer to the cylinder walls, leading to uniform expansion and minimizing localized pressure points. Its unique elliptical shape effectively distributes thrust loads, preventing piston collapse and ensuring consistent contact. Manufactured in Germany, this piston kit represents a commitment to superior quality and reliable performance for your vintage Maico.

Key Features:

  • Wossner Forged Piston: Provides exceptional strength and durability for demanding riding conditions.
  • Optimized Heat Transfer: Ensures efficient heat dissipation to the cylinder walls, promoting consistent engine temperatures and improved combustion.
  • Elliptical Design: Distributes thrust loads evenly, creating a uniform bearing surface and reducing localized stress.
  • Piston Collapse Prevention: Precision engineering safeguards against piston distortion under high operating pressures.
  • German Manufacturing: Built to rigorous quality standards for dependable performance.
  • Standard Size (STD): Designed as a direct replacement for standard bore sizes.

Specifications:

  • Bore Size: 77.00mm (Nominal), 76.92mm (Actual)
  • Displacement: 386cc
  • Stroke: 83.00mm
  • Piston Clearance: 0.08mm
  • Compression Ratio: 2-stroke
  • Compression Height: 41.70mm
  • Lock Part Number: CW18
  • Pin Part Number: WP039
  • Ring Set Part Number: RSC7700
Before you buy

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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

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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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