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Discussions Question and Answer Forums Razor Electric Scooter, Bike, and Go Kart Modification Forum

Razor mx650 upgraded to 48V - now i need need motor that fits

HI. i recently upgraded my mx650 with a 48V throttle, 48V controller (putting out some crazy 80 Amps.  I was overvolting my stock 36V 650W motor but within just 1 ride it burnt up. ( i knew this was going to happen) so here were are.. time to upgrade to 48V 1000 W but im not sure what will fit... please help..

Both the 36 Volt and 48 Volt 1000 Watt motors will not fit in the MX650 frame unless it is heavily modified. The Razor MX500 and MX650 original motor is 5-1/4" long, and the 1000 Watt motors are 6" long.

We have 48 Volt 1800 Watt 4400 RPM brushless motors that are 5-1/4" long and will fit the MX5000/MX650 frame though. The original MX650 motor is around 2500 RPM so increasing the motor speed up to 4400 RPM will just about double the top speed of the bike. And at 1800 Watts the new motor will have plenty of horsepower to power the bike up to its new top speed.

We carry these 48V 1800W BLDC motor on this page: https://electricscooterparts.com/motors48volt.html
Can you share pricing?

For brushed motors the 1000 Watt versions are the most powerful ones made and switching over to a brushless motor is the only way to get a more powerful motor that has the same diameter. 


We have a wide selection of modification kits for Razor MX500, SX500, and MX650 dirt bikes which can be viewed on this page: https://cart.electricscooterparts.com/store/Search.aspx?SearchTerms=razor+dirt+bike+modification+kit


Pricing for these kits varies depending on the complexity of the kit and all of the prices are listed on the individual kit pages so you can compare prices.  


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