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Razor MX650 to MX2000 Conversion Part 1 | Kunray 2000W 48V Brushless Motor Kit Unboxing Overview
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- Опубліковано 14 лип 2022
- Finally got a brushless motor and controller kit for my Razor MX650. In this video, I am unboxing it, going over what it comes with and how everything is supposed to be wired / hooked up. Here's the exact kit I'm reviewing: amzn.to/3PtlGSV
KUNRAY Brushless Motor Kits:
2000W 48V: amzn.to/3zafycp
3000W 72V: amzn.to/3yCv92U
My build list (before the installation of this kit):
. Razor Dirt Rocket MX650 Electric Bike: amzn.to/3yS2U1A
. Mighty Max 12V 12AH SLA Battery: amzn.to/3yOuzPR
. Fast Scooters Over-Volt Controller Kit: ebay.us/Qgh9DN
. Fast Scooters 55-Volt Charger: ebay.us/ISO7xc
. 13-Tooth 25H Sprocket: ebay.us/N3bjVg
. DNM 165mm Rear Shock: amzn.to/3yUP9PA
. Pro Taper 8.6" Handlebar Pad: amzn.to/3Rl9Vit
. FOX Racing decal: amzn.to/3yUDtwg
. Nilight 6" LED 6000K Light Bar: amzn.to/3c5WcMw
. 7/8" Handlebar Light Switch: amzn.to/3nRkD2J
. Pro Chaser Voltage Step-Down Converter: amzn.to/3nUrt7L
These are affiliate links, which means I may get a very small percentage if you decide to make a purchase. Thank you for watching and supporting this channel!
Make sure when you cut the tabs for the motor you also drill the holes out on the motor so you can recess the screw heads. And then cut the extra length off the other end. That way you don't cut the frame. I'm so happy we're doing the same build!
Great video Pat. My son and I have been pretty inspired on our build because of your videos. We have upgraded the chain, DNM 135mm travel shock, LED lights installed, ProTaper handlebar pad and a Nilight LED headlight powered by a Talentcell 12volt rechargeable lithium ion battery pack. He’s 9 and he loves it and he is also the envy of all of his friends. Keep up the great work.
Right on!
Seen guys drill vent holes in those to cool them cause they are so Crazy. SO excited to see this. I been drooling over this motor for months.....
Adding a heatsink is also a good idea. Those motors get really hot quickly. They also slow down and seem to have much less torque than when they are cold so probably a great idea to keep them cold.
Appreciate the info just built a used white mx650 I put a 48v 50ah lithium battery and a 2000w brushless Kunray motor and controller and new handle bars and white fender to made the body and the thing is sick!
These videos have inspired me so much. I cannot wait to upgrade my mx650!! just saving up the money.
Good area to mount that speed controller would be underneath the seat above the back wheel. Lots of clearance there
Thanks for the tip!
Can you make a video on the wiring? Thanks
Yesss same build I'm doing!! This is awesome!
Nice! I just recently built my bike with a similar setup. I used a 2000W 48V brushless with a 48v 20ah 30a lithium battery. All of it fit nice and well in the MX650 chassis. I've also got that issue where setting 2 on the 3 speed switch is the fastest. Really weird. Guess all of these motor kits are manufactured in the same factory or something.
It's the wiring on the 3 speed switch ya. You'd have to swap the plugs around on the 3 speed plug until it gets right i wouldn't touch it tho
Thank you for this
@@PatOutdoors i meant swap pins around in the plug but I'm sure u got what I meant. I don't think there's any harm swapping em around until it gets right. Should be 3 pins in the 3 speed plug
@@jpesicka999 I figured that's what you meant. I just don't feel like de-pinning connectors right now so I'll probably save that for a later project when I clean up all the wiring when the new battery comes in
@@PatOutdoors same. Its gotta be the 2nd and 3rd pin swap
my friends mode 2 was the fastest to so don't worry & the lithium got me from 28 on lead to 32 with lithium on the 1800w brushess so you should consider it for sure
Thanks for clarifying. This gives me a baseline to go by
Great video ive been watching your videos all the way through and have been building my own mx650 and im thinking about getting the kunray kit but i cant see how you connected the battery to the controller if you could tell me the name of that it would be much appreciated
So sick!!!
Yo so I went to buy it on Amazon and their was a 1600w kit that had all the stuff you got and then a 2000w kit with less stuff so I’m just wondering what to pick cause want to get the same stuff you got. And both options are 48volt.
THIS is the exact kit I purchased and used in 2022: amzn.to/4cgVNAp
@@PatOutdoors Alr thanks
What battery is compatible i would like to find a battery without switching the connectors
I just received my fastscooter charger but when I plug it in it won’t charge do you know what I can do to fix it
I recommend contacting the seller you purchased it from. I've never had an issue with mine. The wiring from the charge port to the controller could have been hooked up incorrectly.
what connector does the battery need to connect to the controller?
Do you recommend the kunray kit over the Vevor kit? They look the same, just curious.
The Kunray is a slightly higher quality build, better internals for the motor also
do i have to drill new holes to mount it to the bracket or do i have to just make the screws flush , trying to mod sx500
You just have to drill the factory holes out JUST ENOUGH to get the bolt heads flush to the surface
Hey Um just wondering but why didn’t you keep the other throttle because it looked better with the meter on it
I totally agree, but I just wanted to see the full Kunray kit as it is. I'm also planning on giving away the Fast Scooters kit as it was originally with that throttle. Also the throttle was a little stickier than this one.
Hi pat i got another question, i see you have a step down converter and i Don't really know what its used for is it the lights? if so ill probably need to get one for when i get lights.
Step down converter is used for all electronics that are designed to run on 12V, but installed on a 48-72V bike. You don't need it unless you are running 12V lights, just see what your headlight is rated for.
@@PatOutdoors Ok thank you I'll check the lights voltage rating now
What kind of charger do you use to charger all 4 batteries?
it’s linked in the description
Anyone ever figure out why setting 2 is the fastest? 3 regen or something?
I recently installed a Vevor 48V brushless kit on my Razor go kart and it’s the same thing. Speed 2 is also faster than 3. These cheaper kits don’t have regen, simply (3) speed levels (50%, 75%, and 100%.) You can simply repin the switch if u want 3 to be the fastest. I’ve also tested that it’s stuck in the fastest mode anyway if you leave no speed selector in place
@@PatOutdoors thanks man. The 48v setup is for my GF. I’ll rolling with the 72 E&C 5k kit. That thing is insane!! 48 is just enough for her lol
Did you just crimp some loops to the original razor battery to get it in the junction box or did you have to do any soldering?
Just crimped some ring terminals to the power and ground cables from the battery to get it to the junction box
do you think the electrical upgrades, especially the kit would fit a mototec pro 48v?
No, and it wouldn’t be an upgrade for a mototec pro. That bike already comes 48v with a lithium battery and better controller from factory
@@PatOutdoors could i still perform the upgrade, since the battery in mine has been over charged and my motor has burnt out. And, since you said no to my question, what part of the upgrades wont fit the mototec pro. I also asked another youtuber named B Rich, and he had a similar kit. He said that you can
@@Orvontix look at the mounting point bolt pattern and size differences between this motor and the the motor on the mototec. But what do I know.. I don’t have a mototec. Maybe you should go with b Rich’s advice.
Can you add a link to where u got this please
The link is in the description: amzn.to/47LH2Ez
Hey I just bought a mx500 I also bought 4 12v batteries along with a 48v controller with a 48v motor what sprocket will I need to go 35 mph
What motor and kit did you go with? This same one? I would have recommended going with a lithium battery that discharges at least 40-50 Amps continuously, combined with a 13 tooth sprocket. The battery is the more important part though. The SLA batteries doesn't give this kind of kit it's full potential.
When you got ur new batteries how did you charge them?? Did you use the stock charger for the bike?
(4) 12V SLA batteries wired in a series = 48V, using a Fast Scooters 48V charger. If you get a lithium 48V battery, you need to get a lithium specific charger for the matching voltage.
Is the fast scooter kit 48volt stock motor water Resistant?
I wouldn’t say so
@@PatOutdoors cool thank u no water got into the motor or the charging port
Does it get better miles then stock?
About the same, the added battery just balanced out with the higher output
Do you need a 48v battery to do this build?
If you want to run a 48v kit yes. Otherwise you gain no speed with the same voltage as you currently have
Could you combine a 12v battery with the 36v?
@@arturamaralable This bike comes with (3) 12V batteries wired in a series from factory. You can add a 4th one to make it 48V, but it must be the same specs as the others. You cannot add a 12V SLA battery to a 36V lithium battery, if that's what you're asking though.
Making money moves. lol