Scooter goes too slow?

Hello, I have a problem with my scooter Keeway ry8 (25kmh). I already have: Leovince tt (unrestricted, open cdi, new cylinder and piston (50ccm), Naraku 5.8g weights, 90mm main jet, sports air filter

All throttle components, such as the variator D-ring, throttle cable, exhaust, and CDI (25cc), are out. I still have an open intake manifold at home, but I don't know what will happen if I install it.

Problem: he drives 35 not even 40 (full throttle)

I urgently need help. Thanks in advance.

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Dandephax
6 years ago

90’s main nozzle I think I’m too big, I’ve always been working with 80+ main nozzles (Speedy3 with pro replica). Now it runs perfectly with the Ori main nozzle (56s) and lighter weights.

Hamburger02
7 years ago

What original weights were in it before? The tuning of a two-clocker, especially if you change a lot, is an art for yourself. In principle, you hardly get around trying and error. I would definitely try lighter weights.

Rudinitiniti
7 years ago

Do 125 driving license and drive something bigger

Alex2626
5 years ago

see if you have a ASS choke in the carburetor