WISECO 491P4 Nos Piston .040

( Brand: Wiseco ), ( Manufacturer Part Number: 491P4 ), ( Type: Piston Kit ), ( Country/region Of Manufacture: United States )

Review WISECO Nos Vintage Suzuki Motocross Piston .040 Oversize fits RM125 1981–1983

The WiseCo 491P4 NOS (New Old Stock) piston is a high-quality replacement option for Suzuki RM125 motorcycles with engines produced between the years 1981 and 1983, carrying the part number 040. This piston is manufactured by WiseCo, a trusted name in the aftermarket automotive and motorcycle parts industry, ensuring reliable and durable performance.

This piston is designed to fit perfectly in the RM125 engine, allowing for seamless integration with the existing components. It is made from forged material, ensuring superior strength and durability compared to cast pistons. The forged construction also provides better resistance to engine heat and the inherent pressures within the cylinder, contributing to extended engine life.

The piston features a compact and symmetric design that reduces friction and promotes smooth engine operation. The piston skirt is finished with a skirt oil spray collar to ensure optimal piston-to-crank oil lubrication, thereby reducing wear and heat build-up. Additionally, this piston includes a ring groove of the correct size and design for the stock compression rings, ensuring correct ring fitment and sealing.

The top ring land area on the piston has a concentric design, allowing it to maintain the correct relationship with the cylinder wall and ring groove, ensuring proper ring function and engine compression. The piston's crown is finished with a honed and polished surface to ensure optimal compression and excellent fuel-air mixture combustion.

The piston comes complete with a gudgeon pin to ensure a secure and reliable connection between the piston and the connecting rod. The gudgeon pin is also provided with the correct diameter to ensure proper clearance within the connecting rod small end bearing.

This WiseCo 491P4 NOS piston is an ideal replacement option for Suzuki RM125 motorcycles with engines of the specified age and part number. It offers excellent performance and durability, as well as a close fit to the OEM (Original Equipment Manufacturer) part. By selecting this piston, motorcycle owners can rest assured that they are investing in a high-quality upgrade that will provide reliable service for their Suzuki RM125.

Wiseco 491P4 NOS Piston for 1981-1983 Suzuki RM125: A Wise Investment?

The Wiseco 491P4 NOS (New Old Stock) piston for the 1981-1983 Suzuki RM125 is a popular upgrade for enthusiasts seeking power improvements. Let's examine the potential advantages and disadvantages of investing in this aftermarket part.

1. Enhanced Performance: A forged Wiseco piston is known for increased strength and durability, allowing for higher compression ratios, improved engine breathing, and enhanced power output compared to the stock piston.

2. Improved Engine Life: The forged design provides better resistance to detonation, thereby reducing the likelihood of engine damage and extending the engine life.

3. Consistent Quality: NOS components often come with the original packaging and without any signs of use, ensuring consistent quality, original specs, and peace of mind.

1. Cost: Wiseco parts may be pricier than stock options. However, the increased performance and potential reduction in replacement costs due to extended engine life can offset the initial investment.

2. Installation Complexity: Installing the piston, ring set, and associated components may require some expertise and special tools. Professional installation is generally recommended to minimize any risk and ensure proper installation.

3. Potential Clearance Issues: The new piston may have different clearances compared to the stock piston, and adjustments may be required to maintain optimal engine performance, which may require additional time and resources.

The Wiseco 491P4 NOS piston offers considerable benefits, including improved performance, enhanced engine life, and consistent quality. These benefits can outweigh the downsides, such as higher costs, installation complexity, and potential clearance issues. If you're an experienced mechanic, confident in handling the installation process, or seeking a performance upgrade for your Suzuki RM125, the Wiseco 491P4 NOS piston can be a wise investment. For inexperienced individuals, opting for professional installation services is recommended to minimize any potential complications.

For those seeking to add a high-performance Wiseco piston to their 1981-1983 Suzuki RM125, consider partnering with a trusted motorcycle repair shop. Their expertise and experience in working with Wiseco components can ensure a seamless installation process and optimal results. Additionally, they can address any potential installation challenges and provide guidance on adapting to the new piston clearances. Overall, this upgrade can prove to be a worthwhile investment for those who desire the increased power and longevity offered by this top-tier aftermarket racing piston manufacturer.

Details:

This kit has the piston, piston rings, it wrist pin clips, and NO. This is a P4, 4rd oversize / .040 Wiseco 491P4 Piston. NO pin, Forged from high-silicon alloy for maximum strength and dependability Wiseco offers a complete range of popular piston model's years both trail racing applications, 1981 1983 Suzuki RM125 Motocrosses This is #491P4 Piston.

part #: 491p4 price

• $84.99

specifications pistondon:

• for models: Rm125
• for makes: Suzuki
• for years: 1981-1983
• brand: Wiseco
• mpn: 491p4
• type: Piston Kit
• country/region of manufacture: United States

seller pistondon:

• rating: 97.1%
• city: Bettendorf, Iowa
• # reviews: 32

general pistondon:

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

payments pistondon:

• wallet: Paypal
• other
• credit card: Mastercard

returns pistondon:

• policy: No Returns

shipping pistondon:

• type: Fixed
• class: Freight
• cost: $12.00
• service: Flat Rate Freight

offer pistondon:

• best offers: True
• started: January 2, 2025
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

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