The 1000cc OSSA (BYRA)
David Gallego eamil: DavidGallego@Telefonica.net
|" Known as the "Ossa Mayor"
("The big Bear"), this bike is one
of the most charismatic in the history
of Spanish motorcycles, and masterpiece from
the engineer Fernando Batlló.
Starting from the base of a Yankee engine, to which he added two extra cylinders, one either side, making it to a 977 cc. four cylinders. Driven by his sons, Jesus
and Javier, the bike showed great potential, after electrical problems were solved first and traction (transmission of power to the ground) afterwards.
The frame was inspired on the Yankee one due to the
almost 100HP delivered."
Personal note: I have read that
with cylinders from a Phantom and special
exhausts the bike delivered 115 HP.
The OSSA 1000 was designed and built by the brothers Batlló,
friends of OSSA first enginer Mr. Giró (his son Carlos race in 125
cc GP just 1995) with his colaboration. This bike was not named OSSA, but
"BYRA 1000". I remember one of Batlló brothers, riding the BYRA
in the streets of Barcelona.
The BYRA was build with a frame of YANKEE SCRAMBLER (first version built only for USA, type trail, color silver, with double cuna frame) and a twin engine . For street, the exhaust pipe are four of Sport 250
Only one bike was build. At these time, in Spain are not problem for circulation with a prototype
BYRA was the comercial name of aeromodelism engines, built by brothers
At the 1974 24 h. of Montjuich, the rider Cufi crashed against a tree and died, at Font del Gat virage. The Batlló friends never repair your bike...
I was one of the "controles" (marshalls?) of circuit. The first picture is taken just after the accident. Sorry for my absolutly bad english...
Saludos de un OSSISTA
Francesc Mengual Barcelona email: firstname.lastname@example.org
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