Liquid cooled, four stroke, parallel twin
cylinder, DOHC, 4 valves per cylinder
Capacity
798
Bore x Stroke
82 x 75.8 mm
Compression Ratio
12.0:1
Induction
Electronic intake injection
Ignition /
Starting
knock control and oxygen sensors.
/ electric
Clutch
Cable-operated multiplate-plate wet clutch
Max Power
62.5 KW 85 hp @ 8000 rpm
Max Torque
80 Nm @ 5800 rpm
Transmission /
Drive
6 Speed / belt
Frame
Bridge-type aluminium frame
Front Suspension
43mm Telescopic forks, 140mm wheel travel.
Rear Suspension
Die-cast aluminium single sided swinging arm
with rear wheal axle and eccentric adjustment, central spring stud , spring
pre-loaded hydraulically adjustable to continuously variable levels by means
of handwheel, rebound damping adjustable, 140mm wheel travel.
The F 800 ST, the new medium
category sports touring bike, also has touring-oriented equipment. Unlike
the sporty F 800 S there is full trim, a high windshield, an aluminium
luggage bridge as standard. The raised handlebars of the F 800 ST ensure an
ergonomically favourable seating position. This model's comfort defines new
standards in the medium category and means it is predestined for lengthy
trips - either singly or with a pillion passenger.
The dry weight of the F 800 ST is under 190 kg, with a road-ready (DIN
empty) weight below 210 kg. The two F models only differ in these technical
specifications.
The newly designed 2-cylinder in-line engine, developed in collaboration
with Bombardier-Rotax GmbH as a 4-valve unit, is also installed in the F 800
ST. A top performance figure above 60 kW (more than 80 bhp) and the
corresponding revving capacity ensure that more ambitious sporty
requirements are fulfilled. The high compression ratio of 12:1 and a
combustion chamber design based on the new K engine mean that combustion is
effective and low in emissions, as well as ensuring reduced fuel
consumption.
The already well-established toothed belt drive (F 650 CS) has been
chosen as the rear wheel drive for the new model series. Being maintenance
friendly, smooth-running and light, it provides the optimum in terms of
durability, efficiency, space requirements and weight in this performance
class. A closed-loop three-way catalytic converter, state-of-the-art digital
engine electronics and optional ABS are of course available too.
Features:
· New mid-range sports tourer
Differences compared to F 800 S mid-range sportsbike:
· Oriented towards touring due to full fairing, high windshield, aluminium
luggage rack and ergonomic touring seat position due to raised handlebars
Differing technical data of the F 800 S:
· Dry weight: less than 190 kg
· Road-ready weight: over 200 kg
Road Test
There's a certain feeling of exclusivity you get
when you own something expensive. Drive through town in a Ferrari, Mercedes or
Porsche, and you can't help but hold your head slightly higher. Same goes for
motorcycles. Whether you admit it or not, if you're a Harley-Davidson, Ducati or
BMW owner, you can't help but take a little pride in owning a machine with some
American or European character. Sure, it cost a lot of dough, but it's worth the
price of admission. In the case of BMW, it has the distinction of being in the
exclusivity market on both two wheels and four. Shell out some serious coin for
either of its offerings and you'll probably have something your neighbor
doesn't.
BMW has a loyal fan base which has helped it lead the market among European
motorcycle manufacturers. But challengers to the throne like KTM are
aggressively seeking to gain some of that market share. In the world of sports
they say that competition brings out the best (and worst) in people, and that’s
the same spirit that the boys in Bavaria have used to bring some of that market
back home. Looking at its current lineup, BMW brass realized that among its
650cc singles, 1,200cc boxer twins and in-line fours it had, well, nothing in
between. It needed a bike to fill that gap and attract more first-time buyers to
the BMW experience. The new F800ST (and its sportier brother, the F800S) is the
answer. Call them the affordable Beemers.
Rider Report
New touring riders are the target audience for the F800ST, as its compact
dimensions and 800cc engine are less intimidating than the bigger, more powerful
models in its lineup—though obviously the brand believes that experienced riders
will enjoy it as well. The BMW designed, Rotax-built parallel twin-cylinder
engine is liquid-cooled, has four valves per cylinder and was designed for solid
midrange punch. The all-new engine also utilizes a trick counterbalancing system
that employs a “dummy” connecting rod which moves opposite the direction of the
cylinders and helps to reduce vibration. Pity the poor soul who has to change
spark plugs on it, though—access to the cylinders requires a minor tear-down of
the entire front half of the motorcycle. That fact frustrated our efforts to get
a dyno reading in time for this story, but according to BMW the F800 pumps out
85 horsepower and 63 lb-ft of torque at 8,000 and 5,800 rpm, respectively, at
the crank. Our initial riding impressions left a good mark on us, as it’s
surprising how deceptively quick the bike is. The engine is mated to an
incredibly slick transmission that never skipped a beat and always found neutral
when I asked it to. Power is then transferred via an equally smooth belt drive
to the rear wheel and eventually to the ground. In that regard, the typical
German engineering we’ve come to know and love is clearly noticeable and much
appreciated.
Advertisement In order to meet the bike’s price point a conventional,
non-adjustable, 43mm telescopic fork sits in front instead of the trick Duolever
or even Telelever setups used on other BMWs. As is to be expected from
suspensions that are dictated by price, these units are undersprung and dive
considerably under braking. One tester even referred to the ST’s legs as the
“Greg Louganis fork” because of how much it likes to dive. The 498-pound F800ST
also takes some coaxing to turn in, although it does hold its line once leaned
over. It’s a shame the front suspension behaves like it does because the rear
shock unit, with its remote preload adjuster, was actually quite impressive in
how it kept the tail end under control.
Bringing everything to a stop is a pair of 320mm rotors in front paired with
four-piston Brembo calipers. Out back rests a single disc and single-piston
caliper; our test bike also came equipped with the optional ABS. Unlike other
systems on the market that pulse on and off, BMW’s ABS always applies some
pressure on the rotors when the brakes are engaged. The system’s computers
adjust the brake pressure several times a second to bring the bike to a stop
without locking the wheel. Other systems may completely engage and disengage the
brakes during a cycle to slow the bike, which creates a pulsing feeling in the
levers. Once you get over the dive from the suspension, the brakes do a good job
of slowing things down. The lever stays firm and modulation is easy, even with
one-finger braking. My only complaint is that the lever does get slightly mushy
after repeated stops, and occasionally the ABS will kick in sooner than
expected.
Rider Report
We’ve logged quite a few miles on F800STs. Between Editor Tuttle’s first taste
of the bike in South Africa (Rider November ’06), my first ride on the bike in
Hawaii earlier this year and the numerous miles we’ve logged with our test bike,
there’s a reason we named it 2007 Best Sport-Touring Bike. The seating position
is comfortable thanks to the higher bars on the ST (as opposed to the clip-on
type bars on the sportier S model), the pegs are slightly lower and the
windscreen is taller. From an average-sized rider’s perspective the windscreen
channeled the air right above my head with very little buffeting reaching my
chin. The 32.3-inch seat height is bordering on the tall side, but I was still
able to firmly place the balls of my feet on the ground. Shorter riders need not
worry as a lower seat that’s only 31 inches from the pavement is also available.
Two key ingredients for successful sport touring are fuel economy and the
functionality of the saddlebags. Despite its 800cc, the Beemer is surprisingly
efficient with fuel. We averaged just a tick above 46 mpg in a variety of riding
conditions, ranging from the quick canyon blast to the weekend getaway. That
efficiency could come in handy, too, as the tank only holds 4.1 gallons.
Something we noticed was that our ST’s fuel gauge would always show a full tank,
even after traveling more than 100 miles, which should put the bike at about
half a tank. It wasn’t until the 150-mile mark or so that the gauge would
suddenly drop and show a quarter of a tank remaining. Weird.
Rider Report
Speaking of weird, the standard saddlebags also take some getting used to as
they’re unlike most sport-touring hard side cases. To operate them you turn the
key to unlock the bag and pull up on the “Open” tab. This releases the
exoskeleton frame but doesn’t open the bag. To do that, pull on the “Open” tab
again and tug on the exoskeleton, and that should release the outer liner,
opening the bag. Confusing, yes, but it becomes second nature once you figure it
out. The bags themselves are nifty as they are hard, yet expandable and feature
removable waterproof liners that actually hold quite a bit. Fully expanded the
right bag actually fits a full-face helmet (the left bag is notched to clear the
exhaust). With it fully expanded it appears like the outer frame won’t close,
but give the tabs on the end of the exoskeleton a firm pull and they extend to
meet the locking mechanism. They’re also one-way adjustable so you can tailor
the bag to your particular need without fear of it backing out.
Something we really like is the optional on-board computer system that’s located
adjacent to the analog tach and speedo. Among its many neat features is a gear
indicator, tire pressure monitor, odometer, tripmeter and fuel reserve meter.
The most interesting feature I noticed was the built-in stopwatch! Lap times,
anyone?
Rider Report
Considering the F800ST is the “bargain” Beemer, it still comes with many of the
neat features of its more expensive siblings and performs almost as well as
them, too. Fit and finish on the bike is top notch as well. Expect to see the
standard F800ST in showrooms starting at $10,475. But don’t forget the heated
grips. That’ll cost you $235. ABS? That’s another $890. Two-hundred sixty
dollars gets the tire pressure monitor and another $250 nabs the on-board
computer. Oh, and don’t forget the centerstand for $120. Add it all up and to
get a bike like our tester will cost $12,230. That may sound steep, but consider
that this is a fully outfitted motorcycle that’s still thousands of dollars less
than the base models of other touring bikes on the market—not just BMWs. If
you’re new to touring or are just looking to be part of the BMW fraternity then
the F800ST is a steal.
NOTE:
Some of the photos on Motorcycle Specs are owned by somebody. If you see any of
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object to it, I can remove it altogether. If any copyright holder objects
to their articles being placed on Motorcycle Specs, it will be removed upon
request. Any correction or more info on these bikes will kindly be
appreciated.
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