Yamaha's TX500/750 – so right and yet so wrong

It had looks to kill, but Yamaha’s smooth-running and beautifully-styled TX750 harboured problematical technical issues.

Those who believe that Yamaha was late to join the four-stroke party have probably, and understandably, missed some of the earlier machinery.

For many classic enthusiasts, Yamaha’s all-time great, aka the XS650, is little more than a poppet-valved aberration sitting wraith-like in the background behind copious volumes of two-stroke smoke.

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Yet it was, and remains, one of Yamaha’s best early bikes regardless of valves, porting, megaphones or expansion chambers, and proved to be a seminal design even if a lot of its precepts were based upon two-stroke technology allied to some input from the sister musical instrument organisation and the Toyota car business.

Read more in February’s edition of OBM

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