alpha Technik Restriction Kit 25 kW for Yamaha XJ900, 31A

Product details

25 kW certificate for Yamaha XJ900, vehicle type: 31A, model year 1983-85, ABE No. C971, with conversion parts

General description

Proudly holding your A2 motorcycle licence, seen your dream motorcycle at the dealer, distributor – this machine HAS to be yours! Small catch: the standard power output for the progressive licence is too high. Is the dream over? On the contrary, because with alpha Technik power, performance reduction kits, your A2 motorcycle dream immediately becomes a reality!

With alpha Technik restriction kits, motorcycles of all power, performance classes become more interesting for motorcycle riders, as almost any desired model can be adjusted to the required power, performance of 25 kW or 35 kW. However, special conditions apply to holders of the current A2 driving licence class. The power, performance weight of 0.2 kW/kg and double the original power output of the production 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 development as unchanged as possible.
If all requirements are met, a parts certificate is issued by the technical service. Until then, it's a significant development and measurement effort, which is not immediately apparent from the sometimes inconspicuous throttle plates and throttle stops.

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

Restriction kit features:
- Cross-brand
- Top price-power, performance ratio
- With parts certificate
- Tested quality
- Technical support
- Over 1200 kits available immediately