BOYESEN RAD VALVE 87-93 KX250, RAD-12
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
BOYESEN RAD VALVE RAD-12. Features carbon fiber reeds for enhanced performance. Maintains flow velocity and redirects intake charge for even distribution to intake ports, resulting in sharper throttle response. Increases torque for improved performance on hills, through corners, and over jumps. Boosts horsepower across low, middle, and top-end ranges. Constructed from a one-piece aluminum casting with no trimming or plastic inserts needed.
- SKU
- 05-R12
- Brand
- Boyesen
- Availability
- Out of Stock
Fitments (7)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 250 | 1987 |
| KAWASAKI | KX 250 | 1988 |
| KAWASAKI | KX 250 | 1989 |
| KAWASAKI | KX 250 | 1990 |
| KAWASAKI | KX 250 | 1991 |
| KAWASAKI | KX 250 | 1992 |
| KAWASAKI | KX 250 | 1993 |
- General Product Group
- Carburettor & Intake
- General Product Type
- Reeds - Valve
- Variant Id
- 208744
FULL DESCRIPTION
Boyesen RAD Valve - RAD-12
The Boyesen RAD Valve is engineered to significantly enhance your motorcycle's intake performance. This advanced reed valve system is designed to optimize the flow of your air-fuel mixture, leading to noticeable improvements across the entire RPM range.
Key Features:
- Enhanced Performance: Now delivered with carbon fiber reeds for even greater performance gains.
- Optimized Flow Dynamics: Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports.
- Improved Throttle Response: Experience a sharper, quicker throttle response.
- Increased Torque: Added torque improves performance on hills, through corners, and over technical jumps.
- Wider Powerband: Increases horsepower in low-, middle-, and especially the top-end ranges.
- Durable Construction: Features a one-piece aluminum casting, requiring no trimming or plastic inserts.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
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.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.