1. Pistons, Rings & Piston Kits Products
  2. sku: 7740758034335792
  3. PRO 01.1281.100

PRO X 01.1281.100 Piston Oversized 193564271457 4-STROKE 66.5MM 1.00MM 10.0

01.1281.100 Pro X 4-stroke Piston - Oversized / 66.5mm 1.00mm 10.0 1

( Brand: Pro X ), ( Manufacturer Part Number: 01.1281.100 ), ( Model: 4-STROKE ), ( Type: Piston ), ( Machine Type: Off-road Motorcycle ), ( UPC: 193564271457 )

Review PRO X 4-stroke Piston Oversized 66.5mm 1.00mm 10.0

Introducing the Pro 01.1281.100 4-stroke piston, a high-performance component designed for powerful and efficient engine operation. This oversized piston boasts impressive dimensions, with a diameter of 66.5mm and a compression height of 1.00mm, making it suitable for larger displacement engines seeking increased power and torque.

The Pro 01.1281.100 piston is manufactured using advanced 4-stroke technology, ensuring smooth and consistent combustion within the engine cylinder. The piston crown is designed to optimize the combustion process, providing improved fuel efficiency and reduced emissions. The piston skirt is engineered to minimize friction and enhance durability, ensuring optimal engine performance even under heavy load conditions.

This piston features an oversized design, which allows for increased volume within the cylinder. This increased volume results in more fuel being burned during each combustion cycle, leading to increased power output and improved engine responsiveness. The oversized design also allows for larger piston rings, which help to reduce piston-to-cylinder wall friction, further enhancing engine efficiency and durability.

The piston rings on the Pro 01.1281.100 are precision engineered to ensure a tight seal between the piston and cylinder wall. The top compression ring is designed to provide maximum compression efficiency, while the second and oil control rings are optimized to minimize oil consumption and prevent oil leakage. The piston rings are also designed to be self-adjusting, ensuring a consistent seal throughout the engine's operating temperature range.

The Pro 01.1281.100 piston is precision machined to ensure a perfect fit within the engine cylinder. The piston pin bore is engineered to provide a secure fit for the connecting rod, ensuring optimal power transfer between the piston and crankshaft. The piston pin is also designed with a full-floating design, which reduces friction and enhances durability, providing long-lasting performance for your engine.

In summary, the Pro 01.1281.100 4-stroke piston is a high-performance component designed for larger displacement engines seeking increased power and efficiency. Its oversized dimensions, advanced 4-stroke technology, and precision machining make it an excellent choice for those looking to maximize engine performance and durability.

Pro model (01.1281.100) is a 4-stroke, piston oversized engine with a 66.5mm bore and a 1.00mm stroke, producing a displacement of 10.0 cubic centimeters. Here are some potential pros and cons of buying this engine:

Pros:

1. Increased power: The oversized piston design offers more combustion space, allowing for increased power output.

2. Enhanced durability: A 4-stroke engine design ensures better durability and longevity as compared to a 2-stroke engine.

3. Smooth operation: The 4-stroke engine design provides smoother operation, reducing vibration and noise.

4. Better fuel efficiency: A larger bore size can lead to better fuel efficiency due to more complete combustion.

Cons:

1. Higher cost: The oversized piston design and larger bore size may result in a higher initial investment compared to smaller engines.

2. Complexity: The 4-stroke engine design is more complex than a 2-stroke engine, requiring more maintenance and potential for more issues.

3. Size and weight: The larger bore size and oversized piston design may result in a larger and heavier engine, making it less ideal for applications with limited space or weight constraints.

In conclusion, the pros of buying a (01.1281.100) engine include increased power, enhanced durability, smooth operation, and potentially better fuel efficiency. However, the cons include a higher cost, complexity, and larger size and weight.

Based on the information provided, it is recommended to consider the specific application requirements and budget before making a decision to purchase this engine. If power output and durability are top priorities, and the budget and size constraints allow, then the (01.1281.100) engine could be a good choice. Otherwise, a smaller and more cost-effective engine may be a better fit.

Details:

Style tin-coated pistons assist the wear-in Process as when you first started bike. Proxy pistons are precision machined on the latest, state of art CNC equipment. Cast piston puts engine back to standard specs without boring or replacing cylinder. Most but NOT all Proxy pistons come with a coating.

The black coating is made from a delicate mix of materials and will increase performance. Pro X 4-Stroke Piston - Oversized / 66.5mm 1.00mm 10.0:1 01.1281.100: Important note: This piston is for a stock sized bore. Proxy has developed a new skirt coating that not only assists the wear-in Process, but also helps reducing friction after. Proxy Piston Kits are a first class solution to replace the original piston in your machine.

The same low-expansion, low-friction piston alloy is used as for all major Japanese and European engine manufacturers.

part #: 011281100 prices

  • $95.77-$176.62

specifications pistondon:

  • brand: Pro X
  • mpn: 01.1281.100
  • model: 4-stroke
  • type: Piston
  • machine type: Off-road Motorcycle
  • upc: 193564271457

shipping pistondon:

  • service: Economy, Standard
  • transit: 3-7 Days
  • type: Fixed
  • class: Economy, Standard
  • cost: $0.00

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

payments pistondon:

  • other
  • wallet: Paypal
  • credit card: Mastercard

offer pistondon:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: August 11, 2025

seller pistondon:

  • city: Christiansburg, Virginia
  • # reviews: 14309
  • rating: 99.5%

returns pistondon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
type: piston, machine type: off-road motorcycle,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7740758034335792,

Pro X 01.1281.100 Is Similar To:

pistondon logo
5 offers $95.77–$176.62 USD
  • Offer #1: $95.77 price + $0.00 shipping estimate = $95.77* total. ProX has developed a new skirt coating that not only assists the wear-in process, but also helps reducing friction after the wear-in. Important note: This piston is for a stock sized bore.FREE SHIPPING
  • Offer #2: $159.99 price + $0.00 shipping estimate = $159.99* total. Sold as : KIT. Piston Kit, 1.00 Oversized to 66.50mm, 10.0:1 Compression.FREE SHIPPING
  • Offer #3: $176.62 price + $25.97 shipping estimate = $202.59* total. Product Details Pro X Piston Kit 66.50 STD Comp 10.0:1 Forged Piston.+$25.97 shipping
  • Offer #4: $176.62 price + $25.97 shipping estimate = $202.59* total.+$25.97 shipping
  • Offer #5: $176.62 price + $25.97 shipping estimate = $202.59* total.+$25.97 shipping

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