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• Technical data Fischer MRX – Technical data Fischer MRX

Tom Riles

Driving report Fischer MRX

Fischerman`s Friend

His greatest wish was to build his own motorcycle one day. Now the American Dan Fischer has made it. A small, classy sports motorcycle with a previously unknown large-scale engine. For whom he had to travel far.

Everyone has a dream. Dan was able to fulfill his. The dream of a motorcycle that bears his name: Fischer. Just like Erik Buell, who implanted Harley engines in his sports chassis, he too wanted to build sports motorcycles “made in USA”. But with modern V-Twins, such as those powered by an Aprilia RSV 1000 R. The American contacted Rotax, which the Italians didn’t like at all. They vetoed Austria and Dan Fischer had to look for another engine.

So instead of competing with Italian sports motorcycles, Dan turned his back on the heels of his western boots and named Japanese high-volume products like a Suzuki SV 650 S as his opponents. That is why Fischer looked around in South Korea for an inexpensive drive and found Hyosung the object of his desire: the engine of the GT 650. A 79 hp 90-degree V2 with two overhead, chain-driven camshafts and four valves per cylinder, oil bath clutch and six-speed gearbox. It resembles the SV 650 engine like one egg to the next.

Oops! An Asian engine in an American motorcycle? Impossible! That would be like a Hyundai four-cylinder under the hood of a Corvette. Dan Fischer, on the other hand, remained intrepid, ignored all concerns and instead went all out. At Gemini Technologies in Wisconsin, who designed the chassis of the Superbike Harley VR 1000 in the early 1990s, he had a straight, delta-box-like aluminum frame constructed that almost completely embraces the cylinders of the Korean engine. A solid aluminum rear swing arm is supported by an Ohlins spring strut against the slim, steep frame rear, under which the elongated Micron silencer extends barely visible.

The upside-down fork with adjustable rebound and compression levels, the 17-inch front wheel including the brake discs and the six-spoke wheel at the rear come from the Korean athlete GT 650 R. Dan Fischer saw a need for action only with the front brake calipers and replaced them with two Four piston pliers from Tokico. The rear two-piston caliper was adopted.

When Fischer started developing his motorcycle around five years ago, he immediately took British designer Glynn Kerr on board. The angular shapes of the MRX, from the fairing with its double headlights to the bizarre tank to the pointed rear, bear unmistakably Kerr’s signature.

It’s not that easy to swing your leg over the high rump. Once you’ve done it, everything fits perfectly: the moderate seat height of 800 millimeters, the tight knee joint and the handlebars mounted relatively high above the fork bridge, which ensure a moderately sporty posture. The Fischer MRX is not only suitable for cornering, but also for everyday use without aching wrists and stiff neck. “We’re not getting any younger,” says Dan, who used to compete in Superbike races himself and is convinced that this way he can also lift the older generation and those returning to a sports motorcycle.

As befits an ex-racing driver, he tuned the suspension to be sporty and tight. Nevertheless, the MRX still provides some comfort on bad roads. The almost 200 kilogram Asian-American coproduction is very handy, better than a pure GT 650 R, more precisely steerable and, with a brisk pace, more stable and crisp to brake to the point.

From 2000 rpm the two-cylinder accelerates cleanly. Accompanied by a tingling bass sound, it revs up to 10500 rpm, where the rev limiter gently brakes it. The ample torque curve encourages the low-vibration twin to give its best between 5000 rpm and 8500 rpm. As a result, little switching work has to be done in the well-graded, smooth-running six-speed transmission.

The MRX is still equipped with carburettors. In a few weeks, the injection should be ready and the sports bike converted to Euro 3. Then Dan Fischer wants to offer his MRX in Europe for around 9,000 euros. His goal for 2007: to produce 700 motorcycles. His new dream: later it should be at least 2500 a year.

Technical data Fischer MRX – Technical data Fischer MRX

Engine: water-cooled two-cylinder four-stroke 90-degree V-engine, two overhead camshafts, four valves per cylinder, constant pressure carburetor, Ø 39 mm,
mechanically operated multi-disc oil bath clutch, six-speed gearbox, chain.
Bore x stroke 81.5 x 62.0 mm
Cubic capacity 647 cm³
Compression ratio 11.6: 1
Rated output 58 kW (79 PS) at 9000 rpm
Max. Torque 68 Nm at 7200 rpm

Chassis: aluminum bridge frame, upside-down fork, Ø 41 mm, adjustable rebound and compression damping, aluminum swing arm, Ohlins central spring strut with adjustable spring base and rebound damping, double disc brake at the front, Ø 300 mm, four-piston brake calipers, disc brake at the rear, Ø 260 mm, two-piston brake caliper.
Tires 120/70 ZR 17; 160/60 ZR 17

Dimensions and weights: wheelbase 1397 mm, caster 98 mm, seat height 800 mm, dry weight 181 kg, tank capacity 17 liters.

Manufacturer Fischer Motor Company, Pocomoke City,
Maryland, USA; www.fischer1.com

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