Driving report Speer-GSX-R

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Driving report, Suzuki GSX-R 750

Speer-GSX-R

Street fighters should be fun and unique. Almost any means are suitable to achieve this.

E.Effective gossip – that is, by and large, one could describe the matter. Because when asked what makes a real street fighter, it is so easy to find no conclusive answer. Does the rear have to be extremely short, the handlebars extremely wide, the footrests mounted extremely far back or do the headlights have to be as small as possible? “I don’t know,” says Suzuki dealer Herbert Speer, who provides MOTORRAD with the GSX-R conversion his interpretation of this topic. “All I know is that a conspicuously converted motorcycle is much easier to sell than a production machine. Especially used ones can be brought back to the people after a rather inexpensive conversion. «The test machine also has its roots in a Suzuki GSX-R 750, built in 1993. Frame, fork, wheels and tank are included – you can see it from the tedious polishing work once – taken over unchanged. The only modification to the chassis is a shock absorber from White Power. This is a little longer than the standard damper, which means that the rear frame is higher than usual. The cantilevered carbon fiber bench, shaped after the model of earlier superbike racers, raises the height of the seat, but lowers it significantly in terms of comfort. But such a street fighter doesn’t necessarily want to win the comfort rating in a sofa competition, so it’s more important that such a fighter has a real fire under his butt. In order to ignite this fire, the Speer-GSX-R was drilled out from its standard 750 cubic centimeters to the 860. The pistons for this come from a 250 enduro for the sake of simplicity. On the in-house test bench, the Speer men worked out a suitable carburetor set-up, placing more emphasis on a fuller performance curve than on top performance. The picture is rounded off by the old 93 double headlights in the cockpit fairing, a front spoiler and an exhaust system from Schule . This takes over the acoustic command immediately after pressing the starter button. Not intrusive, but the drilled out engine babbles in an unmistakable bass tone. With significantly harder vibrations than the standard engine, but without choking, the 860 propellant takes on gas, reacts sensitively to the smallest change in the throttle valve and impresses with a harmonious performance curve over the entire speed range. With its 116 hp measured on the in-house spear test bench, the engine is not one of the super athletes in the tough industry, but it is definitely good for spectacular shows. Without much effort, the front wheel strives towards the sky at full acceleration. In view of the relaxed, upright sitting position and the wide handlebars, such actions, even if they are sometimes involuntary, are easy to control. And it is a real pleasure to throw the Speer-GSX-R from one angle to the other. Turning into tight turns is child’s play, and steering corrections can also be carried out without any problems in an inclined position. Anyone who has so far only used standard athletes with narrow, low-mounted clip-on handlebars will be more than amazed at the handiness that such a superbike handlebars bring, but not all that glitters is gold. As confidently as this conversion drives itself on narrow, bumpy country roads, the whole thing becomes exhausting at higher speeds. The wind protection provided by the cockpit fairing is no longer particularly effective in the comfortable, upright sitting posture. Continuous speeds of over 150 km / h on the autobahn are therefore muscle and nerve-wracking, and no normal person can withstand high-speed excesses any longer. In addition to the strain on the neck and upper arm muscles, there is also a rather uncomfortable commuting when driving straight ahead, but real street fighters can easily cope with such weaknesses. After all, it’s about owning a vehicle that is as unique as possible. And a special paint finish according to customer requirements should not be missing, which, as in the case of the Speer-GSX-R, costs around 3,000 marks. All in all, 15,000 to 20,000 marks must be expected for such a unique piece. “Motorcycles for everyone, without expensive bells and whistles, absolutely functional, and all with the blessing of the legislature,” is Herbert Speer’s motto. A motto that could well have a future.

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