Ho­molo­ga­tion spe­cial

Old Bike Australasia - - OUT’ N’ ABOUT -

When Yamaha de­cided to take on the might of Har­ley-David­son, BSA, Tri­umph and Nor­ton on the US Flat Track scene in the early ‘sev­en­ties, it had the ser­vices of a tal­ented young­ster named Kenny Roberts to call upon. To be el­i­gi­ble un­der AMA rules, mo­tor­cy­cles had to be de­rived from gen­uine pro­duc­tion mod­els, and a min­i­mum of 200 pro­duced. To chal­lenge the es­tab­lished play­ers, more horse­power was needed from the XS1 twin, so Yamaha in USA set about pro­duc­ing a spe­cial 750 (ac­tu­ally 743cc). Whether 200 in­di­vid­ual bikes were ac­tu­ally built is a sub­ject of much con­jec­ture. Some knowl­edge­able peo­ple say only around 50 were made, as the AMA in­spec­tion process never re­quired 200 to be sighted at the same time. What is cer­tain is that this is per­haps the most prized of all the XS twins, and can be iden­ti­fied by the ‘G’ stamped in front of the en­gine num­ber, and the bar­rel hav­ing been restamped from 653cc to 743cc. One of th­ese ul­tra­rare mod­els is cur­rently be­ing re­stored in Syd­ney for the owner by model spe­cial­ists Ge­off’s XS.

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