Sachs 505/1a performance - Moped Wiki The Sachs 505/1A is the most common of the 505/504 series engine. It's distinguished by the tapered cylinder marked 40kph. A stock horse power rating of 1.8 puts it on par with most Puch E50 engines and thus deserves a second look as a potential platform for tuning. Easy Sachs 505 tuning tricks (cheap) : moped r/moped: /r/moped, or mopeddit, is for discussion and celebration of vintage mopeds on Reddit. Easy Sachs 505 tuning tricks (cheap) Do any of you have any easy ''tricks'' to get more power out of a stock sachs 505 1ek/2ek? i already bought an Athena 15mm angled intake of treats, and i'm looking to going a little faster then 15-18 mph.
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