BMW
K1200RS
BMW K1200RS yellow / black paint work |
BMW
had already gone a long way towards shedding its reputation for
building competent but rather dull bikes when the K1200RS was
launched in 1997, but even so the big four-cylinder sports-tourer was
a revelation. With its swoopy styling, aluminium frame, Telelever
front suspension system and potent liquid-cooled, four-cylinder
powerplant, the RS was every bit a modern superbike.
And
with a claimed 13()bhp on tap, it blew wide open the self-imposed
lOObhp limit that had handicapped the German marque for years.
The BMW K1200RS was still very much a BMW, for all that. Unlike the majority
of sports-tourers, it placed as much emphasis on the touring side of
the equation as the sports. Typical BMW touches included handlebars,
seat and footrests that could all be adjusted. The screen could also
be set in one of two positions, which further added to the rider's
comfort at speed.
BMW
K1200RS
Tuned
16-valve engine
But
it was for the stunning performance of its engine, a revamped version
of the longitudinally mounted 16-valve four from the K1100RS, that
the RS was most memorable. Capacity was increased from 1092 to l
I7lcc by use of a new. longer stroke crankshaft. Lightweight pistons
and valvegear, higher compression ratio and a ram-air intake system
all contributed to its peak output of I30bhp at 8750rpm.
That
made the Kl2 by far BMW's most powerful bike ever, and the German
firm's engineers had managed to combine its new-found high-rev power
with the K-series motors' traditionally strong mid-range torque.
BMW K1200RS |
The K12's
chassis was also impressive. The frame was an aluminium spine design,
much more substantial than previous steel structures because the
rubber-mounted K12 motor was not a stressed member of the chassis.
Weighing 5731b (260kg) dry, and with a long wheelbase, the BMW K1200RS
was a big and heavy bike, but was well-suited to maintaining a fast
pace on curving main roads. Its steering was quite slow but neutral
and precise, and high-speed stability was good even when loaded with
luggage.
Front
suspension was by a revised, frame- mounted version of the Telelever
system fitted to the R1100RS flat twin, and worked well. Twin- piston
Brembo front calipers and large floating discs combined with an ABS
system to give powerful and reliable braking. The single-sided
Paralever rear swingarm pivoted on the frame and worked a single
shock, placed diagonally on the right of the bike. The RS was too
soft and heavy to be
much fun in tight turns, but it could corner respectably rapidly when
requested.
Ironically,
arguably the RS's only real weakness, apart perhaps from a high price
and its sheer size and weight, was the mediocre fuel range provided
by its combination of high-speed thirst and too-small tank. That
untypical BMW fault did little to lessen the appeal of a very fast
and refined long-distance machine.
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