BOY.RD VALVE 02-03 KTM300, BOYESEN RAD-42C, RAD-42C
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Boyesen Rad Valve RAD-42C. Features carbon fiber reeds for increased performance. Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports. Provides sharper, quicker throttle response, added torque for improved performance on hills, through corners, and over technical jumps, and increased horsepower in low, middle, and top-end ranges. One-piece aluminum casting with no trimming or plastic inserts required.
- SKU
- 05-R42C
- Brand
- Boyesen
- Availability
- In Stock (2)
Fitments (8)
| Make | Model | Year |
|---|---|---|
| KTM | 250 EXC | 2002 |
| KTM | 250 EXC | 2003 |
| KTM | 300 EXC | 2002 |
| KTM | 300 EXC | 2003 |
| KTM | 300 SX | 2002 |
| KTM | 300 SX | 2003 |
| KTM | 300 XC | 2002 |
| KTM | 300 XC | 2003 |
- General Product Group
- Carburettor & Intake
- General Product Type
- Reeds - Valve
- Variant Id
- 208799
FULL DESCRIPTION
Boyesen RAD-42C Reed Valve System
Experience a significant upgrade in your motorcycle's engine performance with the Boyesen RAD-42C Reed Valve System. This innovative component is engineered to optimize the flow and distribution of the intake charge, leading to tangible improvements across the entire RPM range.
Key Features:
- Enhanced Performance: Delivers sharper, quicker throttle response for more precise control.
- Increased Torque: Provides added torque, benefiting performance on hills, through corners, and over technical terrain.
- Broader Horsepower Gains: Boosts horsepower in low-, middle-, and especially top-end ranges.
- Improved Intake Charge Distribution: Maintains flow velocity through the valve and redirects the intake charge for more even distribution to the intake ports.
- Carbon Fiber Reeds: Now delivered with high-performance carbon fiber reeds for maximum gains.
- Durable Construction: Features a one-piece aluminum casting for long-lasting reliability.
- Easy Installation: Designed for a straightforward fitment, requiring no trimming or plastic inserts.
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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
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