1981 NX50 express sr

Recently purchased an 81 nx50. This is my first moped, but it needs some work. It runs but power fades in and out and it never goes over 15. Any ideas on why the power doesn't remain steady or how to get more speed out of it would be much appreciated.

Re: 1981 NX50 express sr

Cosmo nPuch Stillstolen /

There's a lot to check. The tuning forum might help

Re: 1981 NX50 express sr

you'll need to give the carb a thorough cleaning. Hondas are VERY fussy about this. The SR version is variated, so you may want to take the variator apart and grease it. My guess is that getting the carb spotless will fix it. Also make sure your exhaust is clean.

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