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#P10546
Polini ECU/ ECM & Valve Springs for Aprilia SXR 50cc Euro5 mopeds.
Advanced Polini ECM with integrated valve springs for the Aprilia. Developed by the Polini Racing Department, this unit allows full tuning flexibility, optimising engine performance, RPM range and speed while providing a plug & play installation for most setups.
Features:
– Programmable ECM for Aprilia SXR 50 4T Euro5
– Includes Polini valve springs to raise engine RPM limiter up to 10,000 rpm
– Enables choice between three performance maps for progressive upgrades
– Improves throttle response, top speed, and overall ride dynamics
– Fully Italian-made, high-quality racing development
Performance Maps:
Map 1: Plug & play replacement; increases RPM limiter from 7,500 to 8,600. Recommended with Polini variator 241.737; odometer speed rises from ~45 km/h to 50–53 km/h.
Map 2: Requires replacement of original engine valve springs with Polini springs; raises RPM limiter to 10,000. Recommended with Polini variator 241.737; speed increases to 54–55 km/h. Professional installation advised.
Map 3: Maximum performance setup; requires 49mm cylinder kit 140.0237 and Polini long gears 202.1430. Recommended with Polini variator 241.737; speed rises above 70 km/h.
Polini 171.0022
