1. Pistons, Rings & Piston Kits Products
  2. sku: 12543260096439751
  3. WISECO JOK6IIYQHP

WISECO JOK6IIYQHP Piston Kit 74MM 11.5

fits model: Klr250. make: Kawasaki. year: 1985–1986.

Jok6iiyqhp Wiseco Hp Piston Kit 74mm 11.5 1 Kawasaki Klr250 85-86

( Brand: Wiseco ), ( Manufacturer Part Number: JOK6IIYQHP ), ( Type: Piston Kit ), ( Material: Forged Aluminum ), ( California Prop 65 Warning: Warning, And Birth Defects Or Other Reproductive Harm. ), ( Item Weight: 2.0000 ), ( Compatible Model: Forged Series ), ( Length: 3.700 ), ( Package Quantity: Each ), ( Riding Style: Atv, Street Motorcycle )

Review WISECO Hp Piston Kit 74mm 11.5 Kawasaki fits KLR250 1985–1986

The WiseCo JOK6IIYQHP HP Piston Kit is specifically designed for the Kawasaki KLR250 motorcycles manufactured between 1985 and 1986. This high-performance piston kit is an excellent upgrade for riders seeking increased power and durability for their off-road adventures.

Each piston in this kit is meticulously crafted from forged aluminum alloy, ensuring superior strength and reliability. The piston crown is machined to a 74mm bore size, which is larger than the stock piston. This larger bore size allows for increased combustion volume, leading to more power output from your engine.

The piston skirt is designed with a full-skirted, oil-cooled, gun-drilled, and honed finish. This design helps reduce friction between the piston and cylinder wall, improving engine efficiency and reducing heat buildup. The oil cooling feature also helps prevent piston overheating, extending the piston's lifespan.

The piston rings included in this kit are made from high-quality, low-friction materials. The compression ring is designed to provide maximum sealing force, ensuring optimal engine performance. The oil control ring and the secondary oil control ring work together to prevent oil from leaking past the piston rings and into the crankcase.

The piston kit also comes with a set of wrist pins, piston pin bushings, and circlips. These components are essential for securing the piston to the connecting rod and ensuring proper engine function.

In summary, the WiseCo JOK6IIYQHP HP Piston Kit is an ideal upgrade for Kawasaki KLR250 riders who want to boost their motorcycle's power output and reliability. Its forged aluminum pistons, full-skirted design, and high-quality piston rings make it a top choice for off-road enthusiasts seeking a robust and efficient engine solution.

Pros and Cons of Buying Wiseco JOK6IIYQHP HP Piston Kit for Kawasaki KLR250 (85-86)

Introduction:

The Wiseco JOK6IIYQHP HP Piston Kit is designed for the Kawasaki KLR250 motorcycles manufactured between 1985 and 1986. This piston kit is known for its high performance and durability. In this analysis, we will discuss the benefits and drawbacks of purchasing this piston kit to help you make an informed decision.

Pros:

1. Enhanced Performance: The Wiseco piston kit is designed to increase power and torque, making your KLR250 more responsive and agile.

2. Improved Durability: Wiseco pistons are made from high-quality materials and undergo rigorous testing to ensure longevity.

3. Customizable: This piston kit is available in various sizes and designs to cater to different riding styles and conditions.

4. Reduced Engine Wear: The piston kit helps reduce engine wear and tear, leading to a longer engine life.

5. Better Thermal Efficiency: Wiseco pistons have an improved cooling design that allows the engine to run cooler, reducing the risk of overheating.

Cons:

1. Cost: The Wiseco piston kit is more expensive than OEM pistons, making it a significant investment.

2. Installation Complexity: Installing a piston kit requires specialized tools and knowledge, which may result in additional labor costs.

3. Potential Engine Modifications: Installing high-performance pistons might necessitate further engine modifications to ensure compatibility and optimal performance.

Conclusion:

The Wiseco JOK6IIYQHP HP Piston Kit offers numerous advantages such as enhanced performance, improved durability, and better thermal efficiency. However, it comes with a higher price tag and installation complexities. If you are an experienced rider looking to improve your KLR250's performance and are willing to invest in a high-quality piston kit, this could be an excellent option for you. Alternatively, if you are a casual rider or new to motorcycles, you might consider sticking with the stock pistons for a more cost-effective and less complex solution.

Details:

Wiseco went on to making a plethora of innovative motor sports equipment from clutch covers valve kits, including High Performance Piston Kit 74mm 11.5:1, that will not have you questioning the quality or care was put in them. Item must be in original undamaged unopened packaging. Sold in Units of: Kit. Engine Type: 4-Stroke, 4 Stroke.

Material: Forged Aluminum. Model: Forged Series. Riding Style: ATV, Street Motorcycle. Any fitment provided is for US Spec model's.

Piston Over Bore Amount: Standard. Use our shipping packaging to ship back the item, DO NOT tape label directly original manufacturers box. Oem Piston Bore Size: 74mm. Bore Size: 74mm, 74.00mm.

After almost a century in the business, Wiseco has been identified as piston manufacturer, but they didn't stop there. All Wiseco pistons are priced with rings and cir clips. Forged from high-silicon alloy for maximum strength and dependability. Wiseco offers a complete range of popular piston model's and years for both trail racing applications.

Piston Skirt Coated: No, Non Coated.

part #: jok6iiyqhp price

  • $198.04

specifications pistondon:

  • for models: Klr250
  • for makes: Kawasaki
  • for years: 1985-1986
  • brand: Wiseco
  • mpn: Jok6iiyqhp
  • type: Piston Kit
  • material: Forged Aluminum
  • california prop 65 warning: Warning, And Birth Defects Or Other Reproductive Harm.
  • item weight: 2.0000
  • compatible model: Forged Series
  • length: 3.700
  • package quantity: Each
  • riding style: Atv, Street Motorcycle

returns pistondon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller pistondon:

  • city: Parkersburg, West Virginia
  • # reviews: 36758
  • rating: 99.6%

offer pistondon:

  • quantity: 2
  • options: Ship-to-home
  • availability: In Stock
  • started: May 23, 2026
  • sold: 0

shipping pistondon:

  • type: Fixed
  • service: Standard
  • transit: 5-8 Days
  • class: Standard
  • cost: $0.00

payments pistondon:

  • wallet: Apple-pay
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general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: klr250, for makes: kawasaki, for years: 1985-1986, type: piston kit, california prop 65 warning: warning, and birth defects or other reproductive harm., item weight: 2.0000, compatible model: forged series, length: 3.700, package quantity: each, riding style: atv, street motorcycle,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, material: forged aluminum, sku: 12543260096439751,

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2 offers $198.04–$198.04 USD
  • Offer #1: $198.04 price + $0.00 shipping estimate = $198.04* total. Sold in Units of: Kit 1986 Kawasaki KLR250 --.FREE SHIPPING
  • Offer #2: $198.04 price + $0.00 shipping estimate = $198.04* total. Wiseco leads the performance aftermarket by producing the highest quality forged pistons for Dirt Bikes, ATVs, Snowmobiles, Marine Vehicles, and Motorcycles right here in the USA.FREE SHIPPING

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