Moped runs erratic

I have a Suzuki fa50 that has good low end power but any more the 3/4 throttle and it bogs and is stuck at 20 MPH and wont go faster (it starts easy and idles fine)

Re: Moped runs erratic

Dirt in the carb? Maybe blocking the main jet, the main jet comes into play at 3/4 throttle so that is where I would start.

John in Texas

Re: Moped runs erratic

If your bike is OEM , Do as John suggests first .

If that doesn't pan , you might try running the bike at top speed / WOT and applying the choke and note any difference in performance . Report that difference .

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