Puch Maxi 70cc not reaching full potential

Rekka M /
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recently purchased a Puch maxi za50 that I thought was a 50cc. Turns out it has been upgraded to a 70cc and isn’t reaching its potential. It tops out at around 31mph. You can feel her wanting to go faster but it just isn’t happening.

70cc with (what I’m guessing) hi compression head

Techno performance exhaust

68 jet

The needle is set one up from the bottom as all other settings weren’t performing well

14bing

I believe 21,45 gearing

Hi flow air filter

Those are the things I know about her!

Any advice as to how to get better speed is much appreciated. I am new to this world so be nice ;)

There is a slight air leak on the head but that will hopefully be fixed this week with gasket.* Moved to this forum by simon

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