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Wiseco Pistons PK1223 Piston Kit Honda Bore Compression - 86-04 XR250R 77mm 10.5 1

(1991-1996 Honda XR250L; 1986-2004 Honda XR250R)

Part of: Wiseco Pistons Compression ATV Piston Kit

Other options in this family: Wiseco Pistons 4939M08500 Wiseco Pistons 4939M08550 Wiseco Pistons 4963M08000 Wiseco Pistons 40046M09300 Wiseco Pistons 4962M08000

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

PK1223
11 reviews
Sale Price

$267.99

2 left at this price

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Product Details

The Wiseco PK1223 piston kit delivers high-performance engine rebuilding for 1986-2004 Honda XR250R motorcycles. This complete top-end kit features a 77.00mm bore piston with 10.5:1 compression ratio, engineered to restore or enhance your engine's power and reliability.

Premium Forged Construction:

Wiseco manufactures this piston using an in-house forging process that creates a condensed grain structure aligned to the part's features. This forging technique produces superior mechanical properties compared to cast pistons, delivering exceptional resistance to impact, fatigue, and the extreme conditions of off-road riding. The forged aluminum construction provides an optimized strength-to-weight ratio that cast pistons cannot match.

Complete Top-End Kit Includes:

  • Forged aluminum piston with skirt coating
  • Piston rings
  • Wrist pin and circlips
  • Complete top-end gasket kit

Key Specifications:

  • Bore Size: 77.00mm
  • Compression Ratio: 10.5:1
  • Fitment: 1986-2004 Honda XR250R
  • Piston Model: 4466M

Wiseco's integrated design, testing, and manufacturing process ensures precision-engineered components that meet the demanding requirements of off-road motorcycle applications. Each piston is designed to withstand high-performance conditions while maintaining durability and longevity.

Products specifications

Fits

1991-1996 Honda XR250L; 1986-2004 Honda XR250R

Size

77

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Just got to wait and see if it the right part

Lowest overall price beat the competition with shipping and handling also.

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Awsome website

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