Razor MX650 Dirt Rocket speed and range upgrade - Pocket Bike Forum - Mini Bikes
 
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post #1 of 3 (permalink) Old 07-29-2018 Thread Starter
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Razor MX650 Dirt Rocket speed and range upgrade

Hi, I got an MX650 last summer, but I wanted to know what I would need to boost the speed up to 26 mph or faster. Can I use the same throttle that I have now or do I need to get a different one because itís not compatible? Idk, Iím new to this so it would be great if you could tell me how to do the upgrade and what I need.
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post #2 of 3 (permalink) Old 07-30-2018
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Add a extra battery and put a computer fan on the motor and esc

Faster then a speeding E Revo
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post #3 of 3 (permalink) Old 07-31-2018
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Re: Razor MX650 Dirt Rocket speed and range upgrade

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Originally Posted by Gabriel1395 View Post
... what I would need to boost the speed up to 26 mph or faster. Can I use the same throttle that I have now or do I need to get a different one because it’s not compatible?
you can add one more 12v battery to the existing setup and you might top out at 22MPH.

to touch 26MPH and up you'd need add one 12v plus change the gearing, specifically the rear wheel sprocket, from 80t to 65t. there are no options to change the motor sprocket, unless you switch from 25# chain to 8mm/T8F.

if you dont want to change the gearing then you'll need to add two 12v batts to run your setup at 60v. at 60v you'll probably need a new controller and throttle. i'm pretty sure the stock 36v controller won't last long if you run it at 60v.

either way you'll lose alot of torque to get more speed...

Last edited by zen_rider; 07-31-2018 at 11:40 AM.
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