Vintage AJS

This blog is about restoring vintage OHC AJS and Velocette motorcycles

Friday, 12 September 2025

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 ...

The DOHC 250 Velo Engine: The Resurrection Plan

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  It’s always good to have a plan. In practice, most plans usually don’t work out exactly as anticipated and need modifying along the way be...
Saturday, 30 August 2025

KTT 55: The Dry Build

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The dry build of KTT 55 followed pretty well exactly the same format as that of KTT 305, detailed here . There were a few minor di...
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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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