The 138mphKB1. Massimo Tamburini decided to revamp his MV
Agusta 600 back in 1970. This enthusiast from Rimini scrapped the bike's
original frame and substituted one of his own manufacture. He uprated the
engine and then made his own chain final Final Drive to replace the MV's shaft
system. So enthusiastic were press reports when the bike was unveiled that
Massimo soon had people begging him to manufacture rolling chassis for their
engines.
Thirty lucky Honda 750 owners were the first to benefit from the
engineer's skills and. when they announced that they were more than happy
with their bikes, Massimo decided to close down his plumbing business and
set up a bike factory. His factory not only produced rolling chassis,
but racing models too, and the Bimota company's frames sheathed the works
machines of Yamaha and Harley-Davidson, which Cecotto and Villa took to a
total of four World Championships between them. The first series
production bike built by the three directors of the company, Blanchi, Morri
and Tamburini,
Although quite straightforward in design compared to
the advanced SB2 and SB3 models, the Kawasaki based Bimota is still streets
ahead of most other Café-racers and of even racing bikes in its layout.
Chrome molybdenum tubing is used for the frame from which the engine hangs,
with much bracing around critical areas like the steering head for extra
rigidity.
With the frame finished in bright red, it stands out as one of the
most purposeful and neatly constructed chassis in motor cycling. A
cantilever rear end is used, featuring a single horizontal Corte and Cosso
spring/ damper unit, while cross-drilled cast iron discs are fitted on the
bike's Campagnolo wheels. Standard Kawasaki instruments and switchgear
are used on the KB1, while the machine is finished off with tank and
bodywork almost identical to that of the 1977 works Yamahas, themselves
noted for being particularly attractive and aerodynamically efficient.
Obviously, with a low set riding position and the aid of a fairing not to
mention the weight saving of almost 100 lb, the KB1 is a lot quicker than
the standard Kawasaki. The bike rockets away from the start right up to its
maximum speed of 138mph in almost no time at all.
Top speed is governed by
the gearing, for the engine soon pulls its red line in top gear, but with a
high top end anyway, longer-legged gearing would blunt the bike's
:celebration, and this is one of its main attractions. Of course, the
Bimota's other obvious attraction is s road manners, which are simply of the
highest order. The KB1 is a bike which would be quite at home on a race
track and this is brought home when the first road bend is encountered.
The bike it begs to be banked hard into corners
at seemingly impossible speeds, and it rewards the rider with fuss-free
handling and as secure a feel as :an be expected on two wheels. The ride is
firm without being hard and the suspension is very well damped with road
ripples being soaked up nicely, and any other irregularities making their
presence felt without upsetting the plot. Scraping any part of the bike in
turns without actually falling off is nearly impossible on public roads, and
only for the very capable on a race track.
But simply, the KB1's abilities
are above and beyond those of most of its potential riders, so there should
be no problems on that score. Braking, too, is of the highest order in all
conditions, just as you would expect.
The first KB1 bikes were a
little unwieldy about town due to their lack of steering lock, but later
models have large indentations in the upper frame tubes for a little more
movement. It looks crude to the eye and it may be a grotesque compromise to
an engineer who has lovingly scanned the bike's specification in the first
place. It must be remembered however, that the Bimota is a road bike and not
a racer, and about-town riding is a necessity. Something else which is a
compromise on the bike but which is appreciated by many is the seating. The
latest KB1's tail fairings can be unclipped to be removed, along with the
small saddle. A twin seat unit can then be clipped onto place, with rear
seat pegs then unfolding from the rear bodywork. Of course, the lucky
pillion may be uncomfortable but the pleasures of Bimota travel are worth
suffering a little for.