2Bros Parts

BOYESEN RAD VALVE 05-18 YZ125, BLOCK RAD-33J

£212.34

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Free UK delivery 2–4 business days

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Boyesen Rad Valve RAD-33J. Features carbon fiber reeds for enhanced performance. Maintains flow velocity through the valve and redirects intake charge for even distribution to intake ports. Provides sharper, quicker throttle response. Increases torque for improved performance on hills, through corners, and over technical jumps. Boosts horsepower in low, middle, and top-end ranges. Constructed from a one-piece aluminum casting, requiring no trimming or plastic inserts. Weight: 288 grams.

Specifications
SKU
05-R33J
Brand
Boyesen
Availability
In Stock (3)

Fitments (15)

MakeModelYear
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
General Product Group
Carburettor & Intake
General Product Type
Reeds - Valve
Variant Id
208784
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

BOYESEN RAD VALVE - RAD-33J

Experience enhanced engine performance with the Boyesen RAD Valve, now featuring carbon fiber reeds for superior gains. This advanced intake system is engineered to maintain optimal flow velocity through the valve and strategically redirects the intake charge. This precise redirection ensures a more even distribution of the air-fuel mixture to the intake ports, leading to significant improvements across your engine's performance spectrum.

Key Features:

  • Improved Throttle Response: Enjoy a sharper and quicker throttle response, making your machine more agile and reactive.
  • Increased Torque: Benefit from added torque, which translates to better performance when climbing hills, navigating corners, and tackling technical jumps.
  • Horsepower Gains: Achieve increased horsepower across all ranges, with a particular emphasis on significant improvements in the low-, mid-, and top-end power bands.
  • Durable Construction: Features a robust one-piece aluminum casting, eliminating the need for trimming or plastic inserts for a clean and reliable installation.
  • Carbon Fiber Reeds: Comes equipped with high-performance carbon fiber reeds, further boosting efficiency and power output.
Before you buy

QUESTIONS? JUST ASK

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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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