WOSSNER RSB7150 Rings Rings. 71.50 Size.

( Brand: Wossner ), ( Manufacturer Part Number: RSB7150 ), ( Engine Type: 2-stroke ), ( Type: Piston Ring ), ( Machine Type: Off-road Motorcycle ), ( Items Included: Piston Rings, Wrist Pin ), ( Piston Diameter: 71.44 ), ( Cylinder Bore Diameter: 71.50 ), ( Country Of Origin: Germany ), ( Item Weight: 0.5 Lb )

Review WOSSNER Rings. For 71.50 Bore Size. Installed Never Run fits CR250M 1973

Introducing the Wossner RSB7150 rings for the 1973 CR250M, a high-performance upgrade for your two-stroke enduro motorcycle. These rings are specifically designed for the 71.50mm bore size of the CR250M engine.

The Wossner RSB7150 rings are made from a high-quality, heat-resistant material that ensures superior performance and durability. The rings consist of a compression ring, an oil control ring, and a transfer ring. Each ring is precision-machined to ensure perfect fitment and optimal engine performance.

The compression ring is designed to provide maximum power transfer from the transfer port to the piston. Its unique design allows for efficient combustion and optimal engine efficiency. The oil control ring, on the other hand, is responsible for preventing oil from entering the crankcase during the power stroke. Its tight seal ensures minimal oil consumption and maximum engine efficiency. Lastly, the transfer ring is designed to transfer oil from the crankshaft to the engine's power piston, ensuring the engine receives the necessary lubrication.

The Wossner RSB7150 rings are also designed with a superior ring gap, which allows for easier installation and superior sealing. The rings are also coated with a special anti-friction coating, which reduces wear and tear on the rings and the engine.

In summary, the Wossner RSB7150 rings for the 1973 CR250M are a high-performance upgrade for your enduro motorcycle. These rings are precision-machined from a heat-resistant material, ensuring superior performance and durability. The rings consist of a compression ring, an oil control ring, and a transfer ring, each designed for optimal engine efficiency. The rings are also coated with an anti-friction coating and have a superior ring gap for easy installation and superior sealing. Upgrade your CR250M with Wossner RSB7150 rings and experience improved engine performance and reliability.

Wossner RSB7150 piston rings are known for their high-quality design and durability. These rings are widely used in various applications, including motorcycles like the 1973 CR250M. Here are some pros and cons of using Wossner RSB7150 rings for your 1973 CR250M:

1. Superior quality: Wossner RSB7150 rings are made from high-quality materials, ensuring a long service life and excellent sealing properties.

2. Improved engine performance: These rings help to reduce compression losses and improve overall engine performance.

3. Reduced engine wear: Wossner rings are designed to reduce friction and wear between the piston and cylinder wall, leading to a more durable engine.

4. Enhanced reliability: The superior sealing properties of Wossner rings help to prevent oil leaks and other engine issues, increasing the reliability of your motorcycle.

1. Higher cost: Wossner RSB7150 rings are more expensive than some other aftermarket rings, which could be a deterrent for some riders.

2. Potential fitment issues: While Wossner rings are generally known for their excellent fitment, it's always a good idea to double-check that the RSB7150 rings will fit your specific 1973 CR250M engine.

3. Break-in period: New rings require a break-in period to seat properly and achieve optimal performance, which could result in some initial loss of power or reduced engine performance.

If you're looking to improve the performance and reliability of your 1973 CR250M engine, investing in Wossner RSB7150 piston rings could be an excellent choice. These rings offer superior quality, improved engine performance, reduced engine wear, and enhanced reliability. However, they come with a higher cost and potential fitment issues that should be carefully considered before making a purchase. Ultimately, if you're looking for a high-performance, long-lasting solution for your CR250M engine, Wossner RSB7150 rings are a solid recommendation.

Details:

2 RSB7150 Wossner rings. So they were never run.See Wossner web page for fitment and compatibility.

part #: rsb7150 prices

• $29.00-$239.52

specifications pistondon:

• for models: Cr250m
• for years: 1973
• brand: Wossner
• mpn: Rsb7150
• engine type: 2-stroke
• type: Piston Ring
• machine type: Off-road Motorcycle
• items included: Piston Rings, Wrist Pin
• piston diameter: 71.44
• cylinder bore diameter: 71.50
• country of origin: Germany
• item weight: 0.5 Lb

seller pistondon:

• rating: 100.0%
• city: Palm Coast, Florida
• # reviews: 76

payments pistondon:

• other
• wallet: Apple-pay
• credit card: Diners-club

offer pistondon:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: November 11, 2025
• best offers: True

general pistondon:

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

shipping pistondon:

• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• transit: 4-9 Days
• cost: $5.00
• type: Fixed

returns pistondon:

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

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