How to derestrict a honda metropolitan scooter

Derestricting your 50cc scooter allows the scooter to accelerate quicker and travel at a greater top speed; this makes for a safer and easier ride on larger roads. Most 50cc scooters are restricted by the placement of a spacing washer in the drivetrain system, also known as the variator system.

Removing this washer allows the scooter's variator system to operate at its full potential, increasing the scooter's acceleration and top speed. Remove the kickstand from the side of your scooter: Pull out the pin that attaches the kickstand to the side of the scooter. You may need to loosen the bolt at the end of the pin slightly before pulling it out. Open the variator system by first removing the plastic intake covering -- the covering is often fastened to the outside of the variator system with two or three bolts that can be removed using a socket wrench.

Detach the metal lid from the variator system -- the lid is secured with six bolts around the outside of the variator case; three of these bolts are located on the top of the lid, and three are located on the bottom. Remove the bolts with a socket wrench, as you would the bolts holding a tire rim in place, by alternating between top right, bottom left, top middle, bottom middle, top left and bottom right.

Secure the front pulley wheel with a strap wrench. Wrap the strap around the wheel and tighten it. Position the handle of the strap wrench under the rear pulley wheel, so that it will wedge underneath the wheel when you unscrew the bolt holding the front wheel in place. Loosen and remove the bolt holding the front pulley wheel in place, using a socket wrench, before taking the front pulley wheel out of the variator system. Take the washer off the front pulley rod -- the washer restricts the belt's access to the front pulley rod, preventing the scooter's drivetrain from operating at full potential, thus limiting its acceleration and top speed capabilities.

This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

How to derestrict a 50cc scooter easy

To submit your questions or ideas, or to simply learn more about It Still Runs, contact us. How to Derestrict a 50cc Scooter by Samuel Hamilton.

Step 1 Remove the kickstand from the side of your scooter: Pull out the pin that attaches the kickstand to the side of the scooter.

Step 2 Open the variator system by first removing the plastic intake covering -- the covering is often fastened to the outside of the variator system with two or three bolts that can be removed using a socket wrench. Step 3 Detach the metal lid from the variator system -- the lid is secured with six bolts around the outside of the variator case; three of these bolts are located on the top of the lid, and three are located on the bottom.

Step 4 Secure the front pulley wheel with a strap wrench. Step 5 Loosen and remove the bolt holding the front pulley wheel in place, using a socket wrench, before taking the front pulley wheel out of the variator system. Step 6 Take the washer off the front pulley rod -- the washer restricts the belt's access to the front pulley rod, preventing the scooter's drivetrain from operating at full potential, thus limiting its acceleration and top speed capabilities.

How to Derestrict a 4-Stroke 50CC Scooter

Reassemble the variator system, the intake case and the kickstand. Tip Bypass steps 4 and 5 by using an impact wrench to remove the front pulley wheel. Warning Derestricting your scooter will affect its overall top speed. For 50cc scooters, the maximum speed allowed in most states is 30mph.

If your scooter is able to travel over this speed when it is derestricted, you may need to register it as a larger class vehicle at the DMV.

Items you will need Impact wrench Strap wrench Socket wrench.Want to de-restrict my Honda metro II. I guess because it's a new motor, people haven't had a chance to play with the de-restricting part of it. I only want to get the thing to go 35 mph, so I can keep up with the traffic.

Any thoughts would be greatly appreciated. You may want to trade it in on an 03 Metro I and take a small loss on it if you need more speed or power, as it may be a year or more before all the big names start pumping out the parts.

It is illegal in the US to mess with the emmissions systems on the bike, so I don't think we are going to see much for it here. I found a shop down in Providence R.

I'm in Bostonthat said they knew they could get more speed out of it, it's just a question of how much time I want them to put into it. They admitted that they hadn't done a metro before, but had talked to the Honda folks and were reasonably sure that they could get something more out of it.

How to Derestrict a 50cc Scooter

I don't mean to question your knowledge, but how sure are you that I won't be successful at derestricting? Should I not let them take a look? I'm not sure what to do. I just bought 2 of them 3 weeks ago.

how fast can you make a honda metropolitan?

I went with the metro II, since I don't have a Motorcycle license and the metro would require one. Hondas are pretty reliable. Unless the dealer had very trustworthy mechanice with 'performance' experience. I might steer clear. The easiest? Maybe if the variator has a plastic travel limiter. No problem Linda.I am getting a lot of people asking me, if their scooter has a restricted CDI, how to check if it is restricted and how to derestrict it. To get one thing straight: Only 50cc scooters have a restricted CDI.

I have never heard of a bigger engine model with a restricted CDI which is being shipped like that if you know please leave a comment.

Tho, keep in mind that there might be an additional third party restriction installed to allow for riding your scooter model with a certain license. Whilst in my early years of scooter tuning all restrictions were mechanical, the restricted CDI only became popular in the last ten years or so.

This leads us to the next question. Whilst most of you are probably hoping that the CDI can simply be derestricted MacGyver style by cutting a wire, I have to disappoint. You can find it in our new shop. We are shipping worldwide! Check out the New TuningMatters. You have anything to say?

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Are you familiar with them? You have any details? In general chances are high that it has a Minarelli engine clone in it. If thats the case theres heaps of parts! Nsc cdi fits and do slight work on the exhaust it restricted.

Cdi increases. About rpm more I gona try crf cdi they rev out to rpm not tried yet pends how much it costs or a cbf pgmfi. I have a aerox 4 stroke 50cc and cannot find a way around the restricted cdi unit,does anyone know of ways around it or aftermarket cdis for this model?

The Aerox has a physical restrictor in the form of a washer in the front pulley which stop the two sides closing together and increasing the radius of the pulley.

If you remove this washer plenty of guides on the internet the variator can close up, form a larger pulley and have better gearing for speed when the engine output is at higher revs. Hi daniel, first and most thank for all the information given, very helpful. I just bought a honda nsc50r similar to the vision model. It is a 50cc 4t and it is CDI Restrited!!! A nightmare!!!! The CDI is a black box with 33 pins and i have expended sooooo much time trying to get a derestricted one online but there is nothing out there!!!

I am quite desperate about it it is so unsafe 28mph!!!!Honda Metropolitan scooters, like most scooters, are restricted by a small washer that can be found on the front pulley road inside the scooter's variator system. Removing this washer derestricts the variator system, resulting in quicker pick-up and a faster top-speed. In order to access this washer and thus derestrict your Honda Metropolitan, you must disassemble the variator system using various wrenches.

Take your Metropolitan's kickstand off. The kickstand is secured with a small pin that must be loosened with a socket wrench before you can pull it out and remove the kickstand. Unscrew the six bolts holding the metal lid of your variator case in place and take the lid off of your scooter. The variator case is the thing your kickstand was attached to. The six bolts are located around the perimeter of the lid. Remove the front wheel in your variator system.

The front wheel is part of a pulley system and it is held in place by a single bolt through its center point. In order to remove this bolt, you will either need an air-powered impact wrench, or a strap wrench and a socket wrench. The impact wrench is powerful enough to loosen and remove the bolt without turning the pulley wheel.

Or, you can secure the front wheel with the strap wrench and remove the bolt with a hand-operated socket wrench. Take the small washer off of the rod that supported the front pulley wheel. This washer is the component of your Metropolitan that restricts its speed. Put your Metropolitan back together.

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Ensure that the bolts -- particularly the bolt holding the pulley wheel -- are tightened sufficiently, otherwise your scooter could rattle apart during operation. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Runs, contact us. Step 1 Take your Metropolitan's kickstand off.

Step 2 Unscrew the six bolts holding the metal lid of your variator case in place and take the lid off of your scooter. Step 3 Remove the front wheel in your variator system. Step 4 Take the small washer off of the rod that supported the front pulley wheel.

Tip In order to secure the pulley wheel with a strap wrench, simply wrap the strap around wheel and tighten it. You can then wedge the handle of the wrench behind something that will prevent the wheel from turning.

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The best place to wedge the handle is underneath the rear pulley wheel. Warning Though it will not affect the engine size and output capability, removing the restricting washer could allow your Metropolitan to travel over 30 mph, which is illegal in some states.

You will need to either operate your Metropolitan under 30 mph or re-register it as a larger motorcycle. Items you will need Impact wrench Strap wrench Socket wrench.

how to derestrict a honda metropolitan scooter

About the Author This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

Photo Credits scooter 2 image by chrisharvey from Fotolia.Along with that I will also explain which parts should be installed first when starting tuning a scooter and which ones need to be replaced when getting more serious.

Welcome to Part 1: How to derestrict a 50cc scooter. Fast vehicles are dangerous.

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Derestricting a scooter makes it faster and therefore more dangerous to ride. Always ride within your limits and be aware that you might need a different drivers license when a scooter exceeds a certain speed or engine capacity.

Also your insurance might not cover you anymore. Removing restrictions and riding a scooter without having a valid drivers license is illegal. There are heavy fines and you might loose your license when getting caught or involved in an accident! There are different reasons why scooters are having restrictions applied. It can be divided into three groups:. This can be covered quickly as I only know about the catalyst applied to exhausts. Whilst it does not directly restrict engine speed it is still recommended to remove the catalyst when tuning a scooter.

A catalyst has to operate at a high temperature to perform in its intended way. Unfortunately high temperatures should try to be avoided when increasing performance increasing temperatures equal a loss of energy into heat.

The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. Alternatively you can attach the exhaust of the same scooter model without catalyst Minarelli and Piaggio engines have usually equivalent models with a non-cat exhaust.

Beware as the stock exhausts are usually much more expensive than an aftermarket part and at the end of the day you will buy an aftermarket exhaust anyways when considering tuning as a serious hobby :. Removing the catalyst from the exhaust is much more difficult as the exhaust needs to be cut open and after removal welded together again.

Whilst this can be done it is usually not worth the effort. Some catalyst exhausts have a hose connected to the transmission housing Piaggio. This hose is needed to keep the catalyst clean. When the catalyst exhaust is being replaced this hose should be removed and the hole in the engine block closed.

Different countries have different laws. Some allow riding a scooter without a drivers license and others have multiple different licenses for various engine sizes. Besides the discussed stock restrictions below there are other restrictions possible that allow you riding a scooter with a drivers license it was originally not designed for.

For example here in Germany we have a very popular license class that allows riding 50cc mopeds with the age of 15 already. These restrictions are usually provided by third parties which means it is not a restriction applied by the manufacturer of the scooter but a kit bought from a company that specialises in restricting scooters to comply with local drivers license laws.

The kit mostly contains of an electronically limited CDI and some other parts removal of the pillion seat, cylinder head spacer to decrease compression, etc. These restrictions are not stock and therefore need to be installed by the vendor of the scooter. This also means that all installed and replaced parts are yours.

When buying an already restricted scooter make sure to receive all the parts needed to derestrict the scooter again. Unlike with the stock restrictions, these custom restrictions are explained in detail in your operating license.

This makes it easier to find and remove the restrictions. Removing restrictions and riding a scooter without having the appropriate drivers license is illegal. There are heavy fines and you might loose your license when get caught or involved in an accident!

These are the most common restrictions applied to scooters nowadays and probably the main reason why you are reading this post. In order to comply with various speed limit laws for scooters the manufacturer needs to ensure that the scooter does not go faster than the allowed speed in the country it is sold. On the other hand the manufacturer wants to build engines that perform well in terms of acceleration.Though more powerful than their smaller, 50cc brothers, cc scooters can still be somewhat sluggish compared to larger motorcycles and automobiles.

In addition to the smallness of their engine's output, this diminished speed can be attributed to a small washer found in the scooter's drivetrain or variator system which restricts the top speed of the scooter.

Removing this piece is a completely legal procedure which will improve the overall acceleration power and top speed of your cc scooter. Take the kickstand off of your scooter. The kickstand is held onto the side of the scooter with a small pin located near the top of it. Loosen the top of the pin, pull it slightly out and pull the kickstand off of the side of your scooter. This will give you access to your scooter's variator case.

Remove the molded intake case. This is the molded plastic part on the side of the scooter to which your kickstand was attached. On most scooters, this piece is held onto the body of the scooter with three bolts, which can be removed with a socket wrench. Other scooters do not have this piece. Unscrew the six bolts around the outside of the flat, cylindrical piece that looks like a small gearbox.

This is the variator case. It houses the belts which power your rear wheel. Three of the bolts are on the top of the case, three are on the bottom. Remove the outside of the front pulley wheel inside the variator case with an impact wrench. An impact wrench is an air-powered wrench which spins fast enough to counteract the spinning of the wheel as you attempt to remove the single bolt that holds it in place.

If you do not have an impact wrench or access to one, you can secure the front wheel with a strap wrench and use a regular socket wrench. Secure the wheel by wrapping the strap around it and then wedging the handle of the wrench underneath the back pulley wheel. Pull the small washer from around the front pulley bar upon removing the outside of the front pulley wheel. This washer limits the speed of your cc scooter.

Put the front pulley wheel back onto the pulley rod, replace the variator case cover and the intake case, and put the kickstand back on the scooter. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Runs, contact us.

Step 1 Take the kickstand off of your scooter. Step 2 Remove the molded intake case. Step 3 Unscrew the six bolts around the outside of the flat, cylindrical piece that looks like a small gearbox.The speed of your 4-stroke, 50CC scooter is restricted by a small washer found in the scooter's variator system.

Removing this washer will derestrict the speed, allow your scooter to accelerate quicker and travel faster. Accessing the washer requires several basic hand tools and a rudimentary understanding of how to disassemble your scooter's variator system. Derestricting your 4-stroke 50CC scooter is an accomplishable task with the right tools and know-how. Detach the kickstart from the variator system. It is attached to the system by a pin that is tightened into place with a small bolt.

Loosen the bolt and pull the pin and you can remove the kickstart from the scooter. Open up the variator system. In some 50CC scooters, this will require you to first remove the intake case. The intake case is the plastic molded piece to which the kickstart was attached. It is held in place by two to three bolts. If your scooter does not have an intake case on its exterior, you will simply need to unscrew the six bolts that hold the lid of the variator case in place.

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The variator case looks like a flattened hot dog, long, thin and somewhat tubular. Three of the bolts are on the top of the lid, three are on the bottom. Disengage the front pulley wheel from the pulley system. The wheel is held in place by a bolt secured through the center of the wheel. You will either need to secure the wheel before attempting to remove the bolt by hand, or you will need to use an air-powered impact wrench.

how to derestrict a honda metropolitan scooter

Secure the wheel by wrapping the strap end of your strap wrench around the wheel and positioning the handle of the wrench underneath the rear pulley wheel. Extricate the washer from its position around the front pulley rod.

This washer restricts the speed of your scooter by adding space between the pulley belt and the pulley rod, preventing the belt from pulling on the rod at its maximum capability. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Runs, contact us.

Step 1 Detach the kickstart from the variator system.

how to derestrict a honda metropolitan scooter

Step 2 Open up the variator system. Step 3 Disengage the front pulley wheel from the pulley system. Step 4 Extricate the washer from its position around the front pulley rod.

Put your variator system back together. Warning Reregister your scooter if you find that its top speed increases past 30mph. Though removing the washer doesn't increase the CCs of your scooter, it does allow your scooter to travel at a faster top speed. If this top speed crests 30mph, it may require you to reregister your scooter with the DMV in states that have a speed maximum for 50CC scooters.


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