Mad Biker Designs

Mad Biker Designs Welcome to Mad Biker Designs
WWW.MB-DESIGNS.CO.UK
2 stroke performance parts and tuning

The end of the road! Keihin have recently discontinued the PWK 35mm, PWK 38mm air striker and PWM 38mm with immediate ef...
05/06/2026

The end of the road!

Keihin have recently discontinued the PWK 35mm, PWK 38mm air striker and PWM 38mm with immediate effect. Once our stock of these models is gone we will no longer be able to supply, but spares will still be available for existing users.

If you have been thinking about these for a while, now is the time.

https://www.mb-designs.co.uk/webshop/keihin-mikuni-carburetor-carb-accessories/

03/06/2026

We have been through a few designs of billet clutch pressure plate for the Yamaha RD350 YPVS and Banshee. While its easy to carve holes in it for a different look, its also easy to weaken it......

The bike’s running hot!It happens every year. The temperature creeps up a few degrees and, before you know it, the bike ...
30/05/2026

The bike’s running hot!
It happens every year. The temperature creeps up a few degrees and, before you know it, the bike starts running hotter than it should. You meant to sort it over the winter… but back in January, summer feels miles away.
Well, now it’s here, and so are the panic phone calls every time the thermometer nudges past 25°C.
Good news: we’ve just had a fresh batch of 50°C stat kits land, ready to go for the RD350 YPVS and TZR 250.

https://www.mb-designs.co.uk/webshop/road-and-road-racing-bike-specific/yamaha-rd250lc-350lc-350ypvs/engine-top-end/50-degree-thermostat-conversion-kit/

TZR250 shock linkage available from Mark Bailey this weekend at Cadwell Park.
29/05/2026

TZR250 shock linkage available from Mark Bailey this weekend at Cadwell Park.

Address

London

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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+447791447305

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