Horex VR6 Starts Road Testing

Revived German brand Horex is currently on schedule with the development of its revolutionary VR6 naked machine. The bike, which is set to introduce a 1,200cc supercharged VR6 engine, has already begun testing, as it is set to go on sale later in the year.

The engineers at Horex are now focusing on developing the bike’s engine and chassis, thus they are using two different prototypes for independent tests.

“In this phase of the test series we mainly wanted to determine whether the current suspension configuration, basic geometry and engine tuning are correctly matched,”
stated Hennes Fischer, head of Horex product development. “It’s a big step from computer calculations and engine tuning on the dynamometer to a perfectly functioning bike.”

The team is conducting a number of different courses set up in a closed-off area, but tests on rural roads and racetracks are also performed.

"This is the only way to really evaluate engine response under all load conditions and determine how the frame and spring elements work together – especially under different loads and asphalt conditions,"
Fischer explains.

In order to improve efficiency, standard, commercially-available components are being used for certain testing procedures. However, these parts will not appear on the series-production Horex machine, but they play an important part in the tests. Also, the exhaust system currently in use is not exactly ready for series production, but the team at Horex is excited with the sound of the prototype.

“It’s an electrifying blend of six-cylinder smoothness with a deep and raspy wild-animal snarl that comes from the ignition sequence of the 15 degree V-angle,” added Fischer. “Harmonizing with this is the whining sound of the compressor. Truly amazing!”
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