Was ist Code 71 und wie kann man ihn beheben? - Yamaha - YouTube
E-Bike Probleme Yamaha PW - YouTube
sonstige(s) - Error 71 - Pedelec-Forum
ERROR 71 MOTOR YAMAHA EBIKE - YouTube
Haibike / yamaha Error code 71 then switch off :( | Electric Bike Forums - Q&A, Help, Reviews and Maintenance
Amazon.com : SPEEDBOX 2.0 for Yamaha eBike Tuning kit Suitable for All Yamaha PW-TE, PW-SE, PW-X, PWX2, PW-ST Motors. Smart Tuning chip of The Second Generation : Sports & Outdoors