Moped and Scooter laws in CT – the 5 hp rule

This site is my interpretation of the Connecticut laws concerning mopeds, scooters, motorbikes, and small motorcycles, and is not an official record.

For the official laws, please see the Connecticut DMV website.

(On some computers, you can make the picture even larger or smaller by moving the  page up/down wheel on your mouse  while holding the “Ctrl” key.)

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more bikes under 5 hp

Yamaha RD60 4.9 hp at 8 or 9k rpm, 53 mph, 163 lb

1966 HD M50 clutch, 3 speed 2.5 hp

HD M50S 3.5 hp

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Several 50cc bikes – such as the Honda MB5, Yamaha YSR50, and Yamaha RX50 –  as classed as “Motorcycles”  since they make over 5 horsepower – so you need registration, title, license plate, insurance, and motorcycle endorsement.

Go-Karts cannot be registered and are prohibited from both roads and sidewalks.

Go-Peds fall under the same provisions as mopeds.

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Moped operator 16 or 17 years old – If you are sixteen or seventeen years of age, you must wear a helmet while operating a moped.

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Below are bikes that are 5 horsepower or less, so in Connecticut, no registration, title, plates, or motorcycle endorsement are required.

Honda C-50 4.5 hp (photo from UK)

Honda Super Cub C-50 (photo from Japan)

Honda C-110 Sport 50 5.0 hp

Honda C-110 Sport 50 5.0 hp

1965 Yamaha YF1 50cc

1965 Yamaha YF1 50cc

Honda SS50E 5 hp 4 speed

Honda SS-50Z 5hp

Suzuki AC-50