No. A 70cc gy6 engine will probably NOT get you to 60mph, it might hit about 50mph, but even that's pushing the bounds of reality, as a stock gy6 150cc only goes about 50mph.
Speeds must be GPS VERIFIED to be claimed, as the speedometers of these scooters are highly inaccurate.
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2011 Roketa MC-23-150
4T 150cc 157 qmj
24mm carb w 115 main jet and paper cone air filter
Manual petcock w Tygon fuel lines
Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust
RED spring clutch
Adjustable CDI (brand unknown, it's blue and red and works great!)
KOSO high performance variator w 12g sliders
Gates Powerlink 835-20-30 belt
GPS verified 65mph on flats.
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