alpha Technik Restrictor Kit 25 kW for Yamaha XJ550, 4V8

Product Details

25 kW certificate for Yamaha XJ550, Vehicle Type: 4V8, Model Year 1981-85, ABE No. C102 incl. N.03, with conversion parts

General Description

Proudly holding your motorcycle A2 licence, you've spotted your dream motorcycle at the dealer, distributor – this machine HAS to be yours! Small catch: the series power is too high for the graduated driving licence. Dream over? On the contrary, because with alpha Technik power, performance reductions, your motorcycle dream immediately becomes reality!

With restrictor kits from alpha Technik, motorcycles of all power, performance classes become more interesting for motorcycle riders, as almost any desired model can be brought down to the required power, performance of 25 kW or 35 kW. However, special conditions apply to holders of the current A2 licence class. The power, performance weight of 0.2 kW/kg and double the original output of the series vehicle must not be exceeded.

A lot of know-how goes into the development of power, performance reduction. Essential factors must be taken into account: on the one hand, statutory regulations, such as exhaust, noise, and power, performance measurements according to the latest EC directive. On the other hand, the preservation of optimal rideability and homogeneous power, performance delivery as unchanged as possible.
If all requirements are met, a parts certificate is issued by the technical service. Until then, it is a demanding development and measurement effort that is not immediately apparent in the sometimes inconspicuous restrictor plates and throttle stops.

25 kW Restrictions:
Before the new driving licence regulation, which came into force in spring 2013, new license holders had to make do with 25 kW for 2 years. Due to its extensive product range, alpha Technik still offers numerous 25 kW restrictor kits today, which can consequently be used by A2 licence holders. All 25 kW restrictors work mechanically; no intervention in the electronics is necessary. The power, performance reduction is achieved by installing specially designed restrictor plates in the intake tract or with throttle stops.

Restrictor Kit Features:
- Multi-brand
- Top price-power, performance ratio
- With parts certificate
- Tested quality
- Technical support
- Over 1200 kits immediately available