WSM 010-901-04 Ring .25MM

( Brand: Wsm ), ( Manufacturer Part Number: 010-901-04 ), ( Part Type: Ring ), ( Material: Aluminum ), ( Piston Size: 0.25 Mm ), ( Alt Mpn 1: 328514 ), ( Alt Mpn 2: 78-90104 ), ( Category 1: Top End Kits / Pistons / Rings ), ( Ride Type 1: Watercraft Personal Watercraft ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 1.4300 ), ( Package Length: 7.00 ), ( Warranty: 90 Days )

Review WSM Over Ring For Yamaha .25mm fits 500

Introducing the WSM 010-901-04 ring, a precision-engineered component designed specifically for Yamaha 500 engines with a 25mm bore size. This ring is an essential upgrade for those seeking improved engine performance and longevity.

Crafted from high-quality steel material, this ring ensures a perfect seal between the engine's cylinder and piston. Its 25mm diameter caters to the specific needs of Yamaha 500 engines, allowing for a proper fit and optimal engine function.

The WSM 010-901-04 ring features a unique ring land design, which ensures even compression and distribution of engine pressure across the entire piston surface. This not only enhances engine efficiency but also reduces the likelihood of piston ring failure, prolonging the engine's life.

The ring's precision-machined surface ensures a perfect fit and finish, which translates to minimal clearance between the piston and cylinder walls. This reduced clearance results in improved sealing, reduced blowby, and reduced engine oil consumption.

Moreover, the WSM 010-901-04 ring is designed to withstand the rigors of high-performance applications. Its robust construction and superior materials enable it to handle increased engine temperatures and pressures, making it an excellent choice for those seeking to extract maximum performance from their Yamaha 500 engines.

In conclusion, the WSM 010-901-04 ring is a high-performance component designed to enhance the functionality and longevity of Yamaha 500 engines with a 25mm bore size. Its precision engineering, superior materials, and unique design features make it an essential upgrade for those seeking improved engine performance and durability.

The WSM 010-901-04 ring is a replacement exhaust ring designed for Yamaha 500 model engines with a 25mm exhaust pipe diameter. Here are some potential pros and cons of purchasing this part:

1. Improved Performance: This exhaust ring is designed to provide a better seal around the exhaust pipe, which can lead to improved engine performance. A tighter seal can reduce exhaust gas leaks, allowing more exhaust gases to be expelled from the engine, resulting in better fuel efficiency and increased power output.

2. Durability: The WSM ring is made from high-quality materials, including stainless steel, which is known for its durability and resistance to corrosion. This means that the ring is less likely to fail or wear out quickly, providing long-lasting performance and reducing the need for frequent replacements.

3. Easy Installation: The WSM ring is designed to be easy to install, with a simple slip-on design that requires no special tools or complicated procedures. This makes it a convenient option for DIY enthusiasts or those who want to save on installation costs.

1. Cost: The WSM 010-901-04 ring may be more expensive than some other aftermarket exhaust rings on the market. However, its durability and potential performance benefits may outweigh the additional cost for some buyers.

2. Availability: Depending on your location, it may be more difficult to find this specific exhaust ring in local auto parts stores. You may need to order it online, which could take some time for delivery.

3. Compatibility: While the WSM ring is designed for Yamaha 500 engines with a 25mm exhaust pipe diameter, it's important to double-check your engine model and specifications to ensure compatibility. Installing the wrong part could lead to potential problems and decreased performance.

The WSM 010-901-04 exhaust ring offers several potential benefits for Yamaha 500 engine owners, including improved performance, durability, and easy installation. However, it may come with a higher cost and potential availability issues, and it's important to ensure compatibility before making a purchase. Ultimately, if you're looking for a high-quality exhaust ring that can provide long-lasting performance and potential fuel efficiency and power gains, the WSM ring may be a worthwhile investment.

Details:

Combined shipping available. WSM Over Ring for Yamaha 500 - .25mm 010-901-04:: Replacement Set. PISTON SIZE 0.25mm. RIDE TYPE 1Watercraft - Personal Watercraft.

PART TYPE Other. 100% satisfaction guaranteed.

part #: 01090104 prices

• $15.82-$17.93

specifications perwatercraft:

• for models: 500
• for makes: Yamaha
• brand: Wsm
• mpn: 010-901-04
• part type: Ring
• material: Aluminum
• piston size: 0.25 Mm
• alt mpn 1: 328514
• alt mpn 2: 78-90104
• category 1: Top End Kits / Pistons / Rings
• ride type 1: Watercraft Personal Watercraft
• average delivery time: 2-3 Days
• package weight: 1.4300
• package length: 7.00
• warranty: 90 Days

seller perwatercraft:

• rating: 99.4%
• # reviews: 493323
• city: Hilliard, Ohio

offer perwatercraft:

• started: November 24, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1

payments perwatercraft:

• credit card: Discover
• wallet: Paypal
• other

shipping perwatercraft:

• carrier: FedEx
• class: Standard, Expedited, One-day
• transit: 2-5 Days
• cost: $0.00
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight

general perwatercraft:

• Parts Accessories > Personal Watercraft Parts > Other Parts
• condition: New

returns perwatercraft:

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

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