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Yamaha AS3
Race-bred stroker twin
Fast, furious and
just 125cc – these fabulous Yamaha two-stroke
twins were a teenage petrolhead girl or boy dream
back in 1972…
It might at first seem
like a bit of a stretch to draw a racing connection
from Yamaha's AS3 of 1972 – a two-stroke twin with a
modest 125cc – and racing, but there is a strong
connection. Many used road bikes were converted for
the track because they were such a good starting point
for someone on a budget.
In road form, they
developed around 16hp, weighed about 108kg (240lb) and
were good for about 120km/h (75mph). Under the engine
covers, there was a solid connection to the next-gen
RD version, and the TA125 racer sold to privateer
teams.
The AS3 was sold circa
1971-73.
If anyone out there
(Melbourne would be good, but we're willing to
travel) has a really nice example and is willing
to play, we'd love to do a story on the bike.
Contact me via guyallenaustralia@gmail.com.
More on early Yamaha
two-stroke twins: see our
YD1 and YDS-1 mini profile.
And see the wealth of Yamaha stories on our features index.
***
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