http://www.mossgreen-webbs.co.nz/m/view ... log/id/73/
"Description:
1962 BULTACO 250CC TSS 6-SPEED WORKS RACER
With a victorious race history in 1963 and 1964 in Europe, this racing motorcycle was comprehensively updated both mechanically and cosmetically for competitive racing in the 1990's. These upgrades resulted in lap records being set in the 250cc class at Phillip Island in Victoria, Australia, becoming unbeatable in its 250cc class and achieving race wins in the 350cc class, triumphantly ridden again by Ginger Malloy in his 66th year.
Performance enhancements include: alloy fuel tank; larger diameter swingarm; works lightweight rear shocks; front fork stanchions with internal damping; 230mm Oldani 2 shoe leading brakes; new machine fabricated crankshaft with 22mm crankpin; Yamaha TZ conrod and a balance factor of 60). The bike has also been fitted with a new TT industries 6-speed gearbox; Wisco piston; Ignitek self-generating ignition with advance / retard and a modern expansion chamber and muffler. The cylinder is cast with 4 modern transfer ports and the head has a modern interior shape. These enhancements are complimented with a 42mm Dell Orto SSI carburettor and float. The rear wheel hp is 55 with 31lbs of torque at 10,000rpm. It has a Smith’s rev counter and is set up to run on Methanol, but can be re-jetted to run on race fuel.
This genuine historic racing Bultaco 250cc, with its more recent track achievements unbeaten in Australia and New Zealand, has a wonderful International racing provenance, making it a true historic racer which presents a unique opportunity for a discerning collector to acquire a bike that has also undergone thorough racing mechanical enhancements. The vendor advises this bike is in running order."
10,000rpm. and 55 RWHP ain't bad for a single cylinder 250cc twoee
