PRO-X 01.4221.C Piston 53.98MM

( Brand: Pro-x ), ( Manufacturer Part Number: 01.4221.C ), ( Part Type: Piston )

Review PRO X Prox Piston Size 53.98mm For Kawasaki fits KX125 2001–2002

Introducing the Pro-X 01.4221.C piston, a high-performance replacement option for the Kawasaki KX125 motorcycles manufactured between 2001 and 2002. Designed with precision engineering and top-tier materials, this piston aims to deliver exceptional power and reliability, enhancing your riding experience.

The Pro-X 01.4221.C piston is engineered with a 53.98mm bore size, ensuring a perfect fit for your Kawasaki KX125 engine. Its design features a state-of-the-art combustion chamber profile, optimized for improved combustion efficiency and power output. This results in smoother engine operation, better throttle response, and increased overall performance.

Manufactured using a high-strength forged aluminum alloy, this piston ensures durability and reliability even under the most demanding conditions. It also comes with a matched ring set, which includes a compression ring, oil control ring, and skirt oil scraper ring. These rings are precision machined to ensure optimal sealing and performance, further contributing to the piston's durability and efficiency.

Additionally, this piston has a balanced design, which reduces vibrations and engine harmonics. Its skirt geometry is optimized for reduced friction and improved piston ring sealing. These features contribute to a longer piston life and reduced engine wear.

The Pro-X 01.4221.C piston is an excellent choice for riders looking to extract maximum performance from their Kawasaki KX125 motorcycle. Its high-quality design and materials ensure reliable operation, while its optimized combustion chamber profile and balanced design contribute to improved power and efficiency. Upgrade your KX125 engine today with this premium piston from Pro-X.

Pros and Cons of Buying a PRO-X Piston (Part Number: 01.4221.C, 53.98mm) for a Kawasaki KX125 (2001-2002)

a. Enhanced Performance: This PRO-X piston is designed to provide improved engine performance. It may result in increased horsepower and torque, leading to better acceleration and top speed.

b. High-Quality Material: The piston is made of high-quality materials, ensuring durability and resistance to wear and tear. This is particularly important for off-road riding conditions.

c. Precise Fit: The piston is specifically designed for the Kawasaki KX125 (2001-2002), ensuring a precise fit in the engine cylinder.

d. Enhanced Cooling: The piston may provide improved cooling, preventing engine overheating and increasing the engine's lifespan.

a. Cost: The PRO-X piston may be more expensive than the OEM (Original Equipment Manufacturer) piston. This could be a significant investment for some riders.

b. Installation Complexity: Installing a new piston can be a complex process and may require specialized tools and knowledge. It is recommended to have the installation done by a professional mechanic.

c. Potential Engine Disassembly: Installing a new piston may require the engine to be partially or fully disassembled, which can be time-consuming and expensive.

The decision to buy a PRO-X piston (Part Number: 01.4221.C, 53.98mm) for a Kawasaki KX125 (2001-2002) depends on individual priorities. If you are looking for improved engine performance, enhanced cooling, and durability, then this piston may be a worthwhile investment. However, if cost is a significant factor or you are not comfortable with the installation process, then it may be best to stick with the OEM piston.

If you are an avid off-road rider who demands the best performance from your Kawasaki KX125 and are willing to invest in a high-quality piston, then the PRO-X piston (Part Number: 01.4221.C, 53.98mm) is a recommended option. If, however, you are looking for a more cost-effective solution or prefer a lower-risk upgrade, then it may be best to stick with the OEM piston.

Details:

Cast from a high-silicon content aluminum alloy that meets or exceeds OE specifications, then CNC machined to extremely close tolerances. Manufactured in Japan and designed as OE replacements. Standard B, C and sizes extend the life of expensive plated cylinders. The smart solution; save money on engine repairs.

Kawasaki KX125 2001 -2002. Available in standard sizes along with fractional increases. Pistons supplied in a kit package that includes rings, wrist pins and cir clips. Size Over Standard.

This item fits the following applications.

part #: 014221c prices

• $88.37-$121.95

specifications pistondon:

• for models: Kx125
• for makes: Kawasaki
• for years: 2001-2002
• brand: Pro-x
• mpn: 01.4221.c
• part type: Piston

seller pistondon:

• # reviews: 620131
• city: Grand Rapids, Michigan
• rating: 99.3%

shipping pistondon:

• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard
• transit: 3-8 Days

general pistondon:

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

payments pistondon:

• other
• wallet: Apple-pay
• credit card: Discover

returns pistondon:

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

offer pistondon:

• started: July 23, 2025
• options: Ship-to-home
• sold: 0
• quantity: 5
• availability: In Stock

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