Discover Doppler scooter products, designed to enhance engine performance and transmission.
Doppler is a renowned brand in the scooter tuning world, offering reliable and high-performance parts for 50cc and 70cc engines. It strikes an excellent balance between performance, quality, and durability.
Compatible with several scooters, including Yamaha Bw, Zuma, as well as Minarelli and Piaggio engines, Doppler products are ideal for improving acceleration, transmission, and engine behavior.
In this collection, you will find -High-performance Doppler crankshafts -Variators and transmission components -Engine parts and internal components -Solutions for 50cc and 70cc upgrades
Doppler products are designed to deliver consistent performance, good reliability, and an installation suited for both accessible and advanced engine preparations.
Ideal for improving your scooter's performance while maintaining excellent reliability.
Doppler offers a reed valve block with a larger intake area and optimized for greater performance. Doppler offers a reed valve block with a larger intake area and optimized for...
The 751 mm Doppler belt is designed for scooters equipped with a Minarelli Long engine. Made from high-quality materials, it ensures excellent power transmission while offering great wear resistance. Thanks...
Doppler offers this Doppler crankshaft, probably one of the best on the market. It is manufactured in solid ground mass with an anodized aluminum balancing cap (which reduces dead volumes...
Doppler S1R full-mass crankshaft of excellent quality. Designed for stock and mid-race configurations. Connecting rod: 80mm Stroke: 39.2mm (original) Needle cage: 10x14x13 (compatible with other cages with an outer diameter...
Rectangular air filter offered by Doppler in one size only. Requires cutting, it has a double thickness to properly filter the incoming air. Available dimensions: - 200mm X 300mm Rectangular air filter offered...
The 747 mm Doppler Kevlar belt is designed for scooters with a Minarelli Long engine looking for a more robust and higher performance transmission. Thanks to its Kevlar fiber reinforcement,...
The Doppler cylinder exhaust plug is designed to block the exhaust outlet during leak and sealing tests on 2-stroke engines. Essential during an engine rebuild or diagnosis, it allows for...
The Doppler S2R 23mm intake manifold is designed to improve airflow between the carburetor and the engine on Minarelli Horizontal setups. Thanks to its optimized 23mm passage, it allows for...