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Vmoto monza 50cc carburettor adjustment more fuel

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Posted on Apr 28, 2017

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What is the tuning mix for a 2007 vmoto monza 50 cc


Hi, Daron I would love to help you but I can't believe the batteries in my crystal ball are dead and my mental telepathy headset is broken. I can't tell if you're talking about your scooter or a guitar could you please be more specific please provide this information in the comment section below and after you post it, a comment alert icon appears on my screen that will allow me to respond to your original question in another comment box below yours. Good luck and have a nice day.

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Don't know what position the valve should be in. It is on a 50cc and it is a screw type.


Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary transport your vehicle to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day. Pilot Air Fuel Screw Adjustment Explained
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Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary transport your vehicle to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day.basic carburettor adjustment tuning 4 stroke and how it works
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Wean u pull back the trotal on my husky boy 50cc it just bogs out and will cut out but if u pull it back verry sloly it is ok


Check that your fuel is getting to the carburettor.
Check that the carburettor bowl is not full of water, most carbs have a small screw in the bowl to allow drainage.

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Yiben Meiduc


your carb mixing screw may be to ritch so anny air resticition ist going to notmix fuel and air right lean it out

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I have a aprilia mojito scooter 50cc it start ok but when i ref it it cut out straight away and they hardly no power when i set off ?


Check the spark plug is clean and gapped. Aprilia is a high performance bike and the spark plug does tend to foul up.
If the plug is clean check that the fuel is reaching the carburettor ok.
Hope this helps
regards
Graham

Apr 13, 2012 | 2008 Aprilia Mojito 50 Custom

1 Answer

50cc scooter lack of power from 0 to 10mph


Fuel mixture is too rich. The easiest way I adjust those is to have a friend stand in front of the scooter, holding the wheel and handlebars still while I lightly hit the throttle and at the same time, adjusting the fuel mixture screw on the carburetor slightly. applying the throttle harder while adjusting, you should feel the scooter gain or lose power.

Mar 01, 2010 | Beta Alp 4T 200 Motorcycles

1 Answer

How and where do you adjust the synch on 1986 gsxr


I can help with this.
On the earliest models they had slide type carburettors. This is to say that the slides were actuated by the throttle cable acting on a linkage that physically lifts the slides in the carburettors. This type of carburettor has its balance(syncronization) adjusters under the caps on top of the carburettors.(the cap isn't round & has 3 screws in it)
Number three carburettor is fixed & dosn't get adjusted.

You'll have to put the bike next to a bench & attatch a long piece of fuel hose from the tank to the fuel hose on the carburettors.You can join the two pipes together using a short piece of hose that snuggly fits on the outside or inside of the two hoses. You can also join them with a suitable shirt piece of metal pipe,or what is called here in Australia a P3 barb.These are available from tool suppliers that supply air compressor hoses & fittings.
(I made a remote tank from an old lawnmower petrol tank,a long piece of hose & mounted it on a tall stand.Under it I have a tray with all my different adaptors in it.)

You adjust number 2 cylinder to the same vacume reading as number 3 cylinder first.
Now adjust number 1 cylinder to the same vacume reading as number 2 cylinder.
Next adjust number 4 cylinder to the same vacume reading as number 3 cylinder.
Recheck that they are all the same & your done.
The adjusters are of the screw & locknut(8mm)type.
You can struggle with an 8 mm ring spanner & a flat bladed screwdriver,buy an adjusting tool(genuine, or non-genuine from a bike shop) or make one.

To make one you weld a bar onto the side(at the top)of an 8mm extended quarter inch drive socket.Then find a long small screwdriver that will fit down the hole.

After you make each adjustment,stop the engine & open the throttle wide open & release a couple of times.(This seats the slide).After diong this re-start the engine & re-check your adjustment.
I place a fan blowing on the engine to help control the engine temperature as the adjustment can be a bit of a fiddle.

I prefer to use mercuary type vacume guages as they dont go out of calibration.

If you are using dial type guages check that they are all reading the same by checking them all one by one on the same cylinder.
Some Suzukis' have a pipe (covered with a black rubber stopper) at the top of each carburettor(at the front) & others have an allen screw on the cylinder in front of the carburettor manifold rubber.
If yours has the allen screw you will also need adaptors that screw into the hole once the allen screw is removed.

If you bike has diaphram type carburettors on it(you'll be able to recognise this by the top caps of the carburettors being black & roundish in shape & held in place by 4 screws), the adjusting screws are between each carburettor & are the spring loaded type.
The adjusters are located in-between each pair of carburettors visable from the top.
These are easier to adjust as there is no lock nut to struggle with & all you need to turn the adjusting screws is a long (flat or phillips)screwdriver.
Again, balance the center two first,then the left pair then the right pair.

This procedure is applicable to all in line 4 cylinder motorcycles (even most fuel injected ones.

Regards Andrew Porrelli

Nov 26, 2009 | 1986 Suzuki GSX-R 750 G

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