Yamaha
TZ750 Gallery
TZ750B
Intended to compete
with the likes of the Suzuki TR750 and Kawasaki
KR750, the Yamaha TZ750A production racer was
launched in March 1974. Displacing just 694cc,
its water-cooled two-stroke four-cylinder engine
produced 90bhp @ 10,500rpm. Tempered by twin
rear shock absorbers, its swing-arm frame also
cradled a six-speed gearbox. Weighing just 157kg,
it proved phenomenally quick but was upstaged
the following year by the arrival of an improved
'B' version. Bored out to 747cc (though reputedly
only after the initial forty-six TZ750Bs had
been assembled), the newcomer also boasted a
higher capacity water pump, gusseted exhaust
system expansion chambers and a strengthened
chain tensioner. Credited with 105bhp @ 10,500rpm,
it was honed by such greats as Kel Carruthers,
Giacomo Agostini and Kenny Roberts. Scoring
its first victory at the 1974 Daytona 200 (a
race it would win an amazing nine times), the
TZ750 recorded its last one at Pocono in 1983.
TZ750F
The ultimate
development of Yamaha's TZ750 production racer,
the 'F' version appeared in 1979. Featuring
the same shortened wheelbase and 'monoshock'
swing-arm frame as its 'D' and 'E' predecessors,
the new model was similarly marketed as a replica
of the awesome YZR750 (OW31) Works GP machines.
Benefiting from the adoption of six petal reed
valves, its 747cc four-cylinder water-cooled
two-stroke engine was credited with 120bhp @
11,000rpm. Reputedly capable of nigh-on 190mph
(depending upon the ratios fitted to its six-speed
gearbox), the 'F' tipped the scales at just
152kg. As dominant in Europe and Australia as
it was in America, the TZ750 was also ridden
to great effect in the British Championship
and Transatlantic Series by the likes of John
Newbold, Dave Potter and Roger Marshall.
| Bike |
Image |
Description |
| 1977 Yamaha TZ 750 D |
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This superb 1977 TZ 750 D is the first
TZ 750 model with a cantilever suspension.
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| 1979 Yamaha TZ750 |
 |
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| Yamaha TZ750 |
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