Vintage AJS

This blog is about restoring vintage OHC AJS and Velocette motorcycles

Thursday, 6 August 2026

WELCOME to my blog about restoring vintage overhead camshaft AJS and Velocette motorcycles

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  Apologies to anyone that has come to this page expecting to see exclusively vintage AJS motorcycles .....scroll down the page a bit and ...

Final Builds of KTT 305 and the DOHC 250

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It took a bit longer than expected to complete the final build of the DOHC 250 because the UK (and much of Europe) has experienced temperatu...
Monday, 20 July 2026

Final Builds: Completing KTT 305 and Starting the DOHC 250

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It has taken me around 5 weeks from stripping the dry build, completing the metal finishing – painting, plating, chemical blacking and powde...
Friday, 3 July 2026

Supercharging pre-WW2 MG Midgets – 130 MPH!

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  A slight digression from the current bike projects…. I was recently thumbing through an ancient copy – June 1935 - of The Motor when...
Saturday, 6 June 2026

Completing the Build of KTT 305: Part 2 – Metal Finishing

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So far, I have stripped the bike, segregated all the bits into boxes and sprayed the frame, forks, petrol and oil tanks black – see previous...
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Contact Richard at vintage.ajs.uk@gmail.com

Vintage AJS
Richard Johns spent 45 years in the engine industry, starting in 1969 as a student with Perkins Engines. After completing a PhD at Imperial College, London in 1980 he subsequently worked for AVL in Graz, Austria, Ricardo Consulting Engineers and CD-adapco (now a division of Siemens) developing and applying Computational Fluid Dynamics software to IC engines before retiring in 2015. Since retiring, he spends his time restoring vintage motorcycles.
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