Yamaha RD350 Bike EXIF

8 Апр 2015 | Author: | Комментарии к записи Yamaha RD350 Bike EXIF отключены
Yamaha RD 350

Yamaha RD350

By guest Tom Stewart. Hard core racers are generally built for and go—there aren’t many for daily commuting and long-distance But this air-cooled Yamaha purchased new in 1975 by the late racer Howard Lees. stay in standard trim for

As an engineering under-graduate teenager, quickly tore it apart in a for the perfect yet affordable road-going

History doesn’t relate why RD’s frame was replaced by an very similar item a 250 DS7. (A major shunt be one reason.) But the Koni rear and two-inch longer Dresda swing arm with tapered bearings are obvious improvements standard. Lees added forks, brakes and engine from an RD400 a year or two along with a pattern /350 race fairing—modified to twin endurance-style Cibié Then came a Lees-designed and tank, seat, front oil/battery box and rear-sets.

To keep pace with the of the day, and inspired by US tuning Denco, Lees tuned the motor by modifying the crankcases, pistons and heads. He substituted the 28mm Mikunis for 34mm Mk IIs, delivering their through big, six-petal reed valves.

A Lucas CDI ignition with a of large coils provided a beefed-up RD clutch, Lees-designed pipes (originally minus the end cans) and substantially taller gearing completed the mechanical Horsepower isn’t known, but 50bhp seems reasonable. is known is that this could cruise all day at 100 mph, by luggage—hit a max of 125 mph (200 kph).

Impressively, a more moderate 85 mph speed would yield 55mpg.

As was always intended, the transported south Londoner far and wide, from the Isle of Man TT to the TT at Assen, and from Circuit Ricard to the Italian Riviera to the beer festival—the latter once involving a detour Switzerland via Austria, as Swiss guards declared the the unsilenced to be too noisy for their country.

The bike was the topic of a feature Renegade Racer in the July issue of the UK’s Bike Inevitably it occasionally felt the of club-level competition at Brands and elsewhere during the very 1980s. Unfortunately a seizure and in the south of France, coupled Lees’ burgeoning racing his untimely … aged 34 in ’92—meant that the broken RD in various sheds.

In the mid-noughties it was eventually repaired and put on the road; more recently, new Ian Martin won the Post Classic air-cooled class on it at the CRMC 2010 meeting at South Pembrey circuit. Not too shabby a for a home-built, unrestored, 35 year-old ‘tourer’. [Check the Howard website for more details of the race bikes.]

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