2Bros Parts

2001 KX125 BOYESEN RAD VALVE, BLOCK RAD-11H, RAD11H

£207.94Only 1 left

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 RAD-11H / RAD11H. 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.

Specifications
SKU
05-R11H
Brand
Boyesen
Availability
In Stock (1)

Fitments (1)

MakeModelYear
KAWASAKIKX 1252001
General Product Group
Carburettor & Intake
General Product Type
Reeds - Valve
Variant Id
208738
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Boyesen Rad Valve - RAD-11H

The Boyesen Rad Valve is engineered to significantly enhance your motorcycle's intake performance. This advanced intake manifold system is designed to optimize the flow of the air-fuel mixture into the engine, resulting in noticeable improvements across the entire RPM range.

Key Features:

  • Enhanced Performance: Delivers increased horsepower in low, middle, and top-end ranges for a broader powerband.
  • Improved Torque: Boosts torque for better performance on hills, through corners, and over challenging terrain.
  • Sharper Throttle Response: Provides quicker and more precise throttle response, giving you better control.
  • Optimized Flow Distribution: Maintains flow velocity and redirects the intake charge for more even distribution to the intake ports.
  • Carbon Fiber Reeds: Now includes carbon fiber reeds for even greater performance gains.
  • Durable Construction: Features a one-piece aluminum casting for robust durability.
  • Easy Installation: Designed for direct fitment with no trimming or plastic inserts required.
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