2Bros Parts

BOYESEN RAD VALVE 09-19 KTM65, BLOCK RAD-40B, TC 65 17-18, RAD40B

£207.94

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

BOYESEN RAD VALVE 09-19 KTM65, BLOCK RAD-40B, TC 65 17-18, RAD40B. 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. 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. REPLACEMENT REEDS PSR-040.

Specifications
SKU
05-R40B
Brand
Boyesen
Availability
In Stock (3)

Fitments (39)

MakeModelYear
KTM65 EXC2009
KTM65 EXC2010
KTM65 EXC2011
KTM65 EXC2012
KTM65 EXC2013
KTM65 EXC2014
KTM65 EXC2015
KTM65 EXC2016
KTM65 EXC2017
KTM65 EXC2018
KTM65 EXC2019
KTM65 EXC2020
KTM65 EXC2021
KTM65 SX2009
KTM65 SX2010
KTM65 SX2011
KTM65 SX2012
KTM65 SX2013
KTM65 SX2014
KTM65 SX2015
KTM65 SX2016
KTM65 SX2017
KTM65 SX2018
KTM65 SX2019
KTM65 SX2020
KTM65 SX2021
KTM65 XC2009
KTM65 XC2010
KTM65 XC2011
KTM65 XC2012
KTM65 XC2013
KTM65 XC2014
KTM65 XC2015
KTM65 XC2016
KTM65 XC2017
KTM65 XC2018
KTM65 XC2019
KTM65 XC2020
KTM65 XC2021
General Product Group
Carburettor & Intake
General Product Type
Reeds - Valve
Variant Id
208794
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Boyesen RAD Valve - RAD-40B

Experience enhanced engine performance with the Boyesen RAD Valve, now featuring carbon fiber reeds for superior gains. This innovative intake system is engineered to maintain flow velocity and evenly distribute the intake charge to the ports, resulting in a crisper throttle response.

The Boyesen RAD Valve delivers tangible improvements across your riding experience:

  • Improved Torque: Conquer hills, navigate corners with greater confidence, and power over technical jumps more effectively.
  • Increased Horsepower: Achieve significant gains in low-, mid-, and especially top-end power ranges.
  • Precision Engineering: Constructed from a durable one-piece aluminum casting, requiring no trimming or plastic inserts for a seamless installation.

Replacement Reeds: PSR-040

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

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.

Apply for Trade
1