PISTON KIT 89-95 RM250 67.00 B, NAMURA NX-30025-B SUZUKI
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Namura Piston Kit B - 67mm Bore - NX-30025-B. High-performance Namura pistons are engineered in the USA and manufactured in Taiwan using high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower, and fuel economy. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures. Teflon/Molybdenum coated skirts perform at the highest standards, reducing friction and wear for increased power and longevity. Namura rings match the OEM design. Fractional oversize pistons are available for some applications. Piston assemblies include ring(s), wrist pin, and circlips.
- SKU
- 56-W642.00B.NT
- Brand
- Namura Technologies
- Availability
- In Stock (3)
Fitments (18)
| Make | Model | Year |
|---|---|---|
| SUZUKI | RM 250 | 1989 |
| SUZUKI | RM 250 | 1990 |
| SUZUKI | RM 250 | 1991 |
| SUZUKI | RM 250 | 1992 |
| SUZUKI | RM 250 | 1993 |
| SUZUKI | RM 250 | 1994 |
| SUZUKI | RM 250 | 1995 |
| SUZUKI | RMX 250 | 1989 |
| SUZUKI | RMX 250 | 1990 |
| SUZUKI | RMX 250 | 1991 |
| SUZUKI | RMX 250 | 1992 |
| SUZUKI | RMX 250 | 1993 |
| SUZUKI | RMX 250 | 1994 |
| SUZUKI | RMX 250 | 1995 |
| SUZUKI | RMX 250 | 1996 |
| SUZUKI | RMX 250 | 1997 |
| SUZUKI | RMX 250 | 1998 |
| SUZUKI | RMX 250 | 1999 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 67.00mm
- Variant Id
- 257220
FULL DESCRIPTION
Namura Piston Assembly B - 67mm Bore
Enhance your motorcycle's performance and longevity with the Namura Piston Assembly. Engineered in the USA and manufactured in Taiwan, this high-performance piston is designed for durability and efficiency.
Key Features:
- Material: Constructed from high-silicon content, hypereutectic cast aluminum for reduced heat expansion, tighter clearances, increased hardness, and a longer lifespan.
- Surface Finish: Features precisely machined, smooth piston crowns that minimize carbon buildup, leading to increased horsepower and improved fuel economy.
- Hard Anodized Crowns: These crowns are 75% stronger than non-anodized versions, offering minimal expansion and significantly reducing the risk of cold seizures, especially when paired with the skirt coatings.
- MOS2 Coated Skirts: Equipped with Teflon/Molybdenum (MOS2) coated skirts that perform at the highest standards by reducing friction, enhancing power delivery, and ensuring extended longevity.
- Oversize Options: Available in fractional oversize pistons (-B and -C) to renew original cylinder clearance if slightly worn, saving on expensive cylinder sleeving.
- Complete Assembly: Each piston assembly includes the necessary ring(s), wrist pin, and circlips for a straightforward installation.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
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