RUBBER BOOT BOYESEN RB5
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 Replacement Boot RB5. This boot is designed as a replacement for the Boyesen Rad Valve. It can also be used as a universal carburetor boot. Please ensure this boot is fitted the correct way around. Approximate size: Inner Diameter 35mm / 36mm, Width 25mm. Part Number: 05-RB5.
- SKU
- 05-RB5
- Brand
- Boyesen
- Availability
- In Stock (3)
Fitments (128)
| Make | Model | Year |
|---|---|---|
| HUSQVARNA | TC 85 | 2014 |
| HUSQVARNA | TC 85 | 2015 |
| HUSQVARNA | TC 85 | 2016 |
| HUSQVARNA | TC 85 | 2017 |
| HUSQVARNA | TC 85 | 2018 |
| HUSQVARNA | TC 85 | 2019 |
| KAWASAKI | KX 100 | 2001 |
| KAWASAKI | KX 100 | 2002 |
| KAWASAKI | KX 100 | 2003 |
| KAWASAKI | KX 100 | 2004 |
| KAWASAKI | KX 100 | 2005 |
| KAWASAKI | KX 100 | 2006 |
| KAWASAKI | KX 100 | 2007 |
| KAWASAKI | KX 100 | 2008 |
| KAWASAKI | KX 100 | 2009 |
| KAWASAKI | KX 100 | 2010 |
| KAWASAKI | KX 100 | 2011 |
| KAWASAKI | KX 100 | 2012 |
| KAWASAKI | KX 100 | 2013 |
| KAWASAKI | KX 100 | 2014 |
| KAWASAKI | KX 100 | 2015 |
| KAWASAKI | KX 100 | 2016 |
| KAWASAKI | KX 100 | 2017 |
| KAWASAKI | KX 100 | 2018 |
| KAWASAKI | KX 100 | 2019 |
| KAWASAKI | KX 85 | 2001 |
| KAWASAKI | KX 85 | 2002 |
| KAWASAKI | KX 85 | 2003 |
| KAWASAKI | KX 85 | 2004 |
| KAWASAKI | KX 85 | 2005 |
| KAWASAKI | KX 85 | 2006 |
| KAWASAKI | KX 85 | 2007 |
| KAWASAKI | KX 85 | 2008 |
| KAWASAKI | KX 85 | 2009 |
| KAWASAKI | KX 85 | 2010 |
| KAWASAKI | KX 85 | 2011 |
| KAWASAKI | KX 85 | 2012 |
| KAWASAKI | KX 85 | 2013 |
| KAWASAKI | KX 85 | 2014 |
| KAWASAKI | KX 85 | 2015 |
| KAWASAKI | KX 85 | 2016 |
| KAWASAKI | KX 85 | 2017 |
| KAWASAKI | KX 85 | 2018 |
| KAWASAKI | KX 85 | 2019 |
| KTM | 65 EXC | 1998 |
| KTM | 65 EXC | 1999 |
| KTM | 65 EXC | 2000 |
| KTM | 65 EXC | 2001 |
| KTM | 65 EXC | 2002 |
| KTM | 65 EXC | 2003 |
| KTM | 65 EXC | 2004 |
| KTM | 65 EXC | 2005 |
| KTM | 65 EXC | 2006 |
| KTM | 65 EXC | 2007 |
| KTM | 65 EXC | 2008 |
| KTM | 65 SX | 1998 |
| KTM | 65 SX | 1999 |
| KTM | 65 SX | 2000 |
| KTM | 65 SX | 2001 |
| KTM | 65 SX | 2002 |
| KTM | 65 SX | 2003 |
| KTM | 65 SX | 2004 |
| KTM | 65 SX | 2005 |
| KTM | 65 SX | 2006 |
| KTM | 65 SX | 2007 |
| KTM | 65 SX | 2008 |
| KTM | 65 XC | 1998 |
| KTM | 65 XC | 1999 |
| KTM | 65 XC | 2000 |
| KTM | 65 XC | 2001 |
| KTM | 65 XC | 2002 |
| KTM | 65 XC | 2003 |
| KTM | 65 XC | 2004 |
| KTM | 65 XC | 2005 |
| KTM | 65 XC | 2006 |
| KTM | 65 XC | 2007 |
| KTM | 65 XC | 2008 |
| KTM | 85 SX | 2009 |
| KTM | 85 SX | 2010 |
| KTM | 85 SX | 2011 |
| KTM | 85 SX | 2012 |
| KTM | 85 SX | 2013 |
| KTM | 85 SX | 2014 |
| KTM | 85 SX | 2015 |
| KTM | 85 SX | 2016 |
| KTM | 85 SX | 2017 |
| KTM | 85 SX | 2018 |
| KTM | 85 SX | 2019 |
| KTM | 85 SX | 2020 |
| KTM | 85 SX | 2021 |
| SUZUKI | RM 100 | 2003 |
| SUZUKI | RM 100 | 2004 |
| SUZUKI | RM 100 | 2005 |
| SUZUKI | RM 85 | 2002 |
| SUZUKI | RM 85 | 2003 |
| SUZUKI | RM 85 | 2004 |
| SUZUKI | RM 85 | 2005 |
| SUZUKI | RM 85 | 2006 |
| SUZUKI | RM 85 | 2007 |
| SUZUKI | RM 85 | 2008 |
| SUZUKI | RM 85 | 2009 |
| SUZUKI | RM 85 | 2010 |
| SUZUKI | RM 85 | 2011 |
| SUZUKI | RM 85 | 2012 |
| SUZUKI | RM 85 | 2013 |
| SUZUKI | RM 85 | 2014 |
| SUZUKI | RM 85 | 2015 |
| SUZUKI | RM 85 | 2016 |
| SUZUKI | RM 85 | 2017 |
| SUZUKI | RM 85 | 2018 |
| SUZUKI | RM 85 | 2019 |
| YAMAHA | YZ 85 | 2002 |
| YAMAHA | YZ 85 | 2003 |
| YAMAHA | YZ 85 | 2004 |
| YAMAHA | YZ 85 | 2005 |
| YAMAHA | YZ 85 | 2006 |
| YAMAHA | YZ 85 | 2007 |
| YAMAHA | YZ 85 | 2008 |
| YAMAHA | YZ 85 | 2009 |
| YAMAHA | YZ 85 | 2010 |
| YAMAHA | YZ 85 | 2011 |
| YAMAHA | YZ 85 | 2012 |
| YAMAHA | YZ 85 | 2013 |
| YAMAHA | YZ 85 | 2014 |
| YAMAHA | YZ 85 | 2015 |
| YAMAHA | YZ 85 | 2016 |
| YAMAHA | YZ 85 | 2017 |
| YAMAHA | YZ 85 | 2018 |
- General Product Group
- Carburettor & Intake
- General Product Type
- Reeds - Boot
- Variant Id
- 208820
FULL DESCRIPTION
Boyesen Replacement Rubber Boot RB5
This is a direct replacement rubber boot designed for the Boyesen Rad Valve system. Ensure correct orientation during installation for optimal performance.
Key Features:
- Direct replacement boot for Boyesen Rad Valve systems.
- Can also be used as a universal carburetor boot.
- Approximate internal dimensions: 35mm - 36mm diameter.
- Approximate external width: 25mm.
- Note: Must be fitted the correct way around.
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.


