The Yamaha TZ 250 was a commercially available racing motorcycle with a watercooled, two-stroke, 250 cc engine produced by the Japanese manufacturer Yamaha.

The TZ250A came out in June 1973 and, like the 350, was virtually unchanged porting wise from the previous aircooled racer apart from a slight widening of the main transfers, also, the exhausts were unchanged. Picture: Jerry Smith's brand new TZ250A, straight after he wheeled it out of it's shipping crate in October 1973 !

The TZ250A enjoyed a smaller crankcase and a more robust water pump. There were a few new issues, such as vibration problems and motor mount cracking, but on the whole the A model was a popular design.

Mar 1, 2021 · The next day I got on the waiting list for a brand new Yamaha TZ250A, the company’s first 250 cc water-cooled production road racer. The TZ250A fresh out of the crate the day it was purchased. Photo by Jerry Smith. The TZ was a …

This 1974 Yamaha TZ250A is offered by the second owner who states that the first owner raced it at Daytona in 1975. It was apparently put away into storage while in running condition, Find it here on the seller’s own website in Northern California for $12,500 OBO.

Nov 23, 2019 · 1990 Yamaha TZ250A Marboro Team Roberts machine ridden to second place in the Unlimited Class of Formula USA by Rich Oliver. The "A" model was the last model to use the parallel twin motor design.

tz250.com is the place to be if you're interested in real GP Motorcycle Racing. For over 20 years we've been the number one resource on the internet for 2-Stroke GP Racers around the world. …

This model was the successor to the “World's most competitive production racer,” the 250cc TD-3. To improve performance stability and power unit durability, liquid cooling was added to the 2-stroke piston intake valve, in-line 2-cylinder engine, and …

Vehicle history and comps for 1973 Yamaha TZ250A VIN: TD10000148 - including sale prices, photos, and more.

The TZ range of water-cooled race bikes was introduced in 1973 with the TZ250A and changed the face of GP racing for ever; The model range was gradually developed and improved over the years and production ceased in 1982 with the TZ250J; The TZ250A was Yamaha's first example of an 'over the counter' production racer