2Bros Parts

BOYESEN RAD VALVE 84-97 KTM125, BLOCK RAD-41, RAD41

£207.94Only 1 left

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Boyesen Rad Valve RAD-41. Now delivered with carbon fiber reeds for even greater performance gains. Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports. Features sharper, quicker throttle response. Added torque improves performance on hills, through corners and over technical jumps. Increases horsepower in low, middle and especially the top-end ranges. One-piece aluminum casting, no trimming or plastic inserts required.

Specifications
SKU
05-R41
Brand
Boyesen
Availability
In Stock (1)

Fitments (42)

MakeModelYear
KTM125 EXC1984
KTM125 EXC1985
KTM125 EXC1986
KTM125 EXC1987
KTM125 EXC1988
KTM125 EXC1989
KTM125 EXC1990
KTM125 EXC1991
KTM125 EXC1992
KTM125 EXC1993
KTM125 EXC1994
KTM125 EXC1995
KTM125 EXC1996
KTM125 EXC1997
KTM125 SX1984
KTM125 SX1985
KTM125 SX1986
KTM125 SX1987
KTM125 SX1988
KTM125 SX1989
KTM125 SX1990
KTM125 SX1991
KTM125 SX1992
KTM125 SX1993
KTM125 SX1994
KTM125 SX1995
KTM125 SX1996
KTM125 SX1997
KTM125 XC1984
KTM125 XC1985
KTM125 XC1986
KTM125 XC1987
KTM125 XC1988
KTM125 XC1989
KTM125 XC1990
KTM125 XC1991
KTM125 XC1992
KTM125 XC1993
KTM125 XC1994
KTM125 XC1995
KTM125 XC1996
KTM125 XC1997
General Product Group
Carburettor & Intake
General Product Type
Reeds - Valve
Variant Id
208795
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

BOYESEN RAD VALVE - RAD-41

Enhance your motorcycle's performance with the Boyesen RAD Valve, engineered for superior power delivery. This advanced intake manifold system is designed to optimize airflow and fuel mixture distribution, resulting in a noticeable improvement across the entire RPM range.

Key Features:

  • Carbon Fiber Reeds: Now includes premium carbon fiber reeds for maximized performance gains.
  • Optimized Flow Velocity: Maintains crucial flow velocity through the valve and redirects the intake charge for more even distribution to the intake ports.
  • Sharper Throttle Response: Experience a quicker and more precise throttle response.
  • Increased Torque: Benefit from added torque, improving performance on challenging terrain, through corners, and over jumps.
  • Horsepower Gains: Achieves increased horsepower in low-, mid-, and especially top-end ranges.
  • Durable Construction: Features a robust one-piece aluminum casting. No trimming or plastic inserts are required for installation.
Before you buy

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

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More answers in our FAQ.

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