Razor Electrical Kit Dirt Rocket MX350 MX400 Variable Speed Kit -Electrical Kit

Name: Razor Electrical Kit Dirt Rocket MX350 MX400 Variable Speed Kit -Electrical Kit
Brand: Razor
Price: 47.99 USD
Availability: InStock
Rating: 4.83 (147 reviews)

Razor Scooter Upgrades

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US $47.99

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Condition:

New

Quantity:

3 available73 sold

People want this. 35 people are watching this.

This one's trending. 73 have already sold.

Shipping:

US $10.00 delivery in 2–4 days

Get it between Wed, Nov 5 and Fri, Nov 7 to 94104.

Located in: Sarasota, Florida, United States

Returns:

30 days returns. Seller pays for return shipping.

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eBay item number:131232768216

Last updated on Jun 10, 2025 07:02:01 PDTView all revisionsView all revisions

Item specifics

Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitionsopens in a new window or tab

Model: MX350 MX400 Dirt Rocket

Modified Item: No

Custom Bundle: No

Non-Domestic Product: No

MPN: 24vsk

Brand: Razor

UPC: Does not apply

Item description from the seller

About this seller

Joined Jul 2006

Usually responds within 24 hours

We are a family business and appreciate your support !

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Detailed seller ratings

Average for the last 12 months

Accurate description

4.9

Reasonable shipping cost

4.7

Shipping speed

5.0

Communication

5.0

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Seller feedback (8,876)

6***h (184)- Feedback left by buyer.
Past month
Verified purchase
The condition of item came exactly as described and was very well packaged. This is a great plug & play kit for a good price. A+ seller.
Razor 36v E300 mx 350 -READ throttle controller, electrical kit 36 Over Volt Kit (#143914673408)
3***9 (9)- Feedback left by buyer.
Past month
Verified purchase
Shipped exactly what I requested. Was able to clarify some questions immediately after contacting him. Great product and service. Thanks!
Razor E300 & E200 Variable Speed Kit -Throttle and Controller, 24volt with KEY (#131232755657)
h***1 (4)- Feedback left by buyer.
Past month
Verified purchase
High quality products very fast delivery. Sent seller a question was answered extremely quickly and with great detail. Have bought from seller before and will continue to buy from this seller.
Cruzin Cooler Upgraded Throttle with 5 LED Battery Level for 750 watt 36volt (#143245412218)

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Product ratings and reviews

Learn more

4.8

147 product ratings

135 users rated this 5 out of 5 stars
5 users rated this 4 out of 5 stars
2 users rated this 3 out of 5 stars
4 users rated this 2 out of 5 stars
1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 123 reviews

by jmihalich
Feb 29, 2016Top favorable review
Great Product. Works as Advertised.
So, we got this in the mail today. Took about an hour to get everything hooked up. Hardest part was getting the grip and the throttle onto the handle bars. It was extremely tight. Had to use a hammer and some WD-40 to force them on. Other than that, everything snapped together and my son was off and running. He's thrilled with the variable speed throttle, and the battery charge indicators. Now on to a funny story. When i first unpacked the controller, i was comparing it to the old controller and notice there were two single red wires missing. I was about to call up, and suggest they sent me the wrong controller. My son (12 years old) was asking me what those connected to. I said they connect to the power switch on the bottom. He goes, oh, we don't need that anymore, cuz we have ... So, we got this in the mail today. Took about an hour to get everything hooked up. Hardest part was getting the grip and the throttle onto the handle bars. It was extremely tight. Had to use a hammer and some WD-40 to force them on. Other than that, everything snapped together and my son was off and running. He's thrilled with the variable speed throttle, and the battery charge indicators. Now on to a funny story. When i first unpacked the controller, i was comparing it to the old controller and notice there were two single red wires missing. I was about to call up, and suggest they sent me the wrong controller. My son (12 years old) was asking me what those connected to. I said they connect to the power switch on the bottom. He goes, oh, we don't need that anymore, cuz we have the key which turns it on and off. Haha, 12 year old debugging my stupidity.
Verified purchase: YesCondition: NewSold by: fastscooters
by ptk570
Aug 29, 2018Top critical review
Only as good as its' weakest link
The throttle is not a throttle, it is an on and off switch. Its' full power or no power, so it is excessively jerky to ride, impossible to ride comfortably along with someone on a bicycle I have to just jerk along and coast jerk coast jerk coast. Penny wise and pound foolish, they probably could have added a veritable speed throttle for another $5 in production costs. This foolish oversight ruined an otherwise quality product.The throttle is not a throttle, it is an on and off switch. Its' full power or no power, so it is excessively jerky to ride, impossible to ride comfortably along with someone on a bicycle I have to just jerk along and coast jerk coast jerk coast. Penny wise and pound foolish, they probably could have added a veritable speed throttle for another $5 in production costs. This foolish oversight ruined an otherwise quality product.
Verified purchase: YesCondition: NewSold by: fastscooters
by tessey3652
Jan 16, 2017
Worth the money
Razor makes a great scooter but for some reason they only offer a throttle that is either on or off. The scooter is nice but you don't always want to go full speed. I saw a few different model Throttles available but decided to go with this one. This Throttle not only allows you to easily control your speed but it also lets you know how much battery life is left. Before having this Throttle you would have to guess how much time you had left but now it lets you know when the battery is going low. There is only one improvement I would like to see and that is instructions, there are none. That being said, it is simple installing this. All you have to do is: 1. Take off the running board. 2. Disconnect all the connections that go into the controller (the silver box) and on off switch ... Razor makes a great scooter but for some reason they only offer a throttle that is either on or off. The scooter is nice but you don't always want to go full speed. I saw a few different model Throttles available but decided to go with this one. This Throttle not only allows you to easily control your speed but it also lets you know how much battery life is left. Before having this Throttle you would have to guess how much time you had left but now it lets you know when the battery is going low. There is only one improvement I would like to see and that is instructions, there are none. That being said, it is simple installing this. All you have to do is: 1. Take off the running board. 2. Disconnect all the connections that go into the controller (the silver box) and on off switch (if you got the key ignition which I would suggest, great feature) 3. Remove the existing Throttle (using a Allen wrench to loosen the throttle) and slide the new Throttle on. When you remove the Throttle cable and install the new one, there is a split gasket that will allow you to easily remove the old cable and run the new one through it. 4. Connect all the wires to the new controller box (all the connectors are the same as the original so there is no guess work). 5. Put the running board back on and you are ready to go. This only takes 20 minutes to do the entire install and is pretty easy. I would buy this product again.
Verified purchase: YesCondition: NewSold by: fastscooters
by jim_55379
Apr 06, 2016
Very Good product/Value
Was a very tight fit and no instructions included (only online) but worked well. A little creative imagination is useful to help with re routing of the throttle cable. Will need Nylon Ties (not included). Fit is a bit of a struggle with the batteries and cables. Can not use mounting screw or brackets. I put some rubber inner tube on top of everything so when I closed the hood nothing would rattle. It was good idea. The manufacturer (Razor) should be shamed for selling something like this (Throttle totally on or off). This Scooter E300 should come stock with this new variable speed setup.Was a very tight fit and no instructions included (only online) but worked well. A little creative imagination is useful to help with re routing of the throttle cable. Will need Nylon Ties (not included). Fit is a bit of a struggle with the batteries and cables. Can not use mounting screw or brackets. I put some rubber inner tube on top of everything so when I closed the hood nothing would rattle. It was good idea. The manufacturer (Razor) should be shamed for selling something like this (Throttle totally on or off). This Scooter E300 should come stock with this new variable speed setup.
Verified purchase: YesCondition: NewSold by: fastscooters
by yabo51
Nov 17, 2016
GREAT PRODUCT & Helpful People
This Throttle & Control Box solved all my problems with my Razor E300 scooter. This variable speed throttle replaces the poorly designed original one on my scooter. Makes it easier to ride. Get the model with the key and eliminate the on/off switch that I forget to turn off after every use. The control box plugs in using existing plugs making it an easy install. The people at Fast Scooter answer questions I had in a professional and helpful manner. Best money you will ever spend on repairing your scooter and making it safer.This Throttle & Control Box solved all my problems with my Razor E300 scooter. This variable speed throttle replaces the poorly designed original one on my scooter. Makes it easier to ride. Get the model with the key and eliminate the on/off switch that I forget to turn off after every use. The control box plugs in using existing plugs making it an easy install. The people at Fast Scooter answer questions I had in a professional and helpful manner. Best money you will ever spend on repairing your scooter and making it safer.
Verified purchase: YesCondition: NewSold by: fastscooters

Razor Electrical Kit Dirt Rocket MX350 MX400 Variable Speed Kit -Electrical Kit

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Item specifics

Item description from the seller

About this seller

Razor Scooter Upgrades

99.7% positive feedback•36K items sold

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Seller feedback (8,876)

Product ratings and reviews

Most relevant reviews

Great Product. Works as Advertised.

Only as good as its' weakest link

Worth the money

Very Good product/Value

GREAT PRODUCT & Helpful People

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Seller feedback (8,876)

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Razor Electrical Kit Dirt Rocket MX350 MX400 Variable Speed Kit -Electrical Kit

Shop with confidence

Item specifics

Item description from the seller

About this seller

Razor Scooter Upgrades

99.7% positive feedback•36K items sold

Detailed seller ratings

Popular categories from this store

Seller feedback (8,876)

Product ratings and reviews

Most relevant reviews

Great Product. Works as Advertised.

Only as good as its' weakest link

Worth the money

Very Good product/Value

GREAT PRODUCT & Helpful People

More to explore :

Shop Top Sellers and Highly Rated Products in Parts & Accessories

Best Sellers

Top Rated

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