Yamaha's RD250 two stroke twin was the first production bike to use reed valves to help deliver some midrange without killing performance elsewhere. But they were viewed with suspicion...
Kawasaki's blisteringly fast two stroke 750 triple lit the tarmac when launched in 1972. It was the ultimate white knuckle ride...
Bridgestone motorcycles established a reputation for solid engineering. The disc valve engines were well designed, simple to service and used the very best cutting edge materials including chromium plated bores in alloy cylinder castings...
Honda’s CB750F was a desperate attempt to keep its ageing SOHC 750 in the ring with the new DOHC contenders from Kawasaki and Suzuki...
Honda's six cylinder 24-valve CBX was ground breaking when launched. And even now, its tech spec is rarely bettered...
A box of engine parts arrives in Rod Gibson’s workshop masquerading as a 1973 Triumph triple engine...
Rod Gibson finishes his rebuild of the complicated three cylinder engine with work on the transmission. A hugely satisfying job - but Japanese bikes are easier to work on he says...
Rod Gibson gets to grips with the science of camshaft design, and enters a world full of ramps, overlap, lift and durations. But will it make the bike go faster?
A few big bore Yamaha XS650 versions found their way into sidecar outfits but, as far as solo racing was concerned, other more suitable machines were available. However, such rules do not necessarily apply in the world of the classic clubman...
Rod Gibson’s tips on how to keep your four cylinder engine running smoothly...
Current Issue: Issue 40-07 - July 2013
• For various budgets (vintage machines)
• Archive photograph
• Which model? (OHV Brough Superiors)
• Sunbeam S7 super profile
• Norton Manx at Daytona – history and test
• Reader’s restoration – BSA A65 Spitfire
• Straight from the plate – Donington Park, 1933
• ISDT Royal Enfield and sidecar
• Greeves Ranger
• John Tickle profile
• Restoration Guide – Matchless G9/AJS Model 20
Issue 40-07 - July 2013
Where legends come to life...
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