alpha Technik 25 kW Power Reduction Kit for Yamaha TDM850, 3VD

€119.00 gross

Product number: 05-3VD-K25
Available immediately

Product details


25 kW technical report for Yamaha TDM850, vehicle type: 3VD, from model year 1990, ABE no. F699, with conversion parts.

General description


Proudly holding the motorcycle A2 licence, spotted the dream motorbike at the dealer, distributor – this is the machine you MUST have! Small hitch: the standard power is too high for the stepped licence. Is the dream over? On the contrary, because with alpha Technik power, performance reduction kits, the motorcycle dream immediately becomes reality!

With alpha Technik power reduction kits, motorbikes of all power, performance classes become more interesting for the motorcycle rider, 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 driving licence class. The power, performance-to-weight ratio of 0.2 kW/kg and double the output power of the series vehicle must not be exceeded.

A lot of know-how goes into the development of power reduction kits. 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 unaltered as possible.
If all requirements are met, a part certificate is issued by the technical service. Until then, it is a high development and measurement effort, which is not immediately apparent in the sometimes inconspicuous restrictor plates and throttle stop limiters.

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 range, alpha Technik still offers numerous 25 kW restriction kits today, which can consequently be used by A2 licence holders. All 25 kW restrictions 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 stop limiters.

Features of the restriction kit:
- Multi-brand
- Top price-power, performance ratio
- With part certificate
- Tested quality
- Technical support
- Over 1200 kits immediately available

Changed Parts

Intake restrictors

Delivery Scope

TÜV certificate and restriction parts for power, performance reduction to 25 kW

ManufacturerModelTypeModel yearccmfrom km/hto km/hfrom kWto kW
YamahaTDM8503VD1991 - 850?1535725
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