BOYESEN REEDS 643 RM250 91-92
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
Boyesen Power Reeds 643. Improves throttle response and fuel economy, enhances acceleration and top-end speed. Revolutionary dual-stage reeds outperform and outlast any stock reed. Part No. 05-643.
- SKU
- 05-643
- Brand
- Boyesen
- Availability
- In Stock (4)
- General Product Group
- Carburettor & Intake
- General Product Type
- Reeds - Petals
- Variant Id
- 208230
FULL DESCRIPTION
Boyesen Power Reeds - 643
Enhance your motorcycle's performance with Boyesen Power Reeds. These revolutionary dual-stage reeds are engineered to significantly improve throttle response, fuel economy, acceleration, and top-end speed.
Designed to outperform and outlast standard stock reeds, Boyesen Power Reeds offer a superior alternative for riders seeking maximum performance gains.
Key Features:
- Dual-stage reed design for optimal performance
- Improved throttle response
- Enhanced fuel economy
- Increased acceleration
- Boosted top-end speed
- Durable construction for extended lifespan
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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.


