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how to adjust a carburettor on a 1983 yamaha golf cart

by Damaris Auer Published 3 years ago Updated 2 years ago

To adjust, loosen the 10 mm locking nut (older models will have 8mm locking nuts) on the adjuster screw, then ever so slightly, turn the adjuster screw (clockwise to tighten) till there is a “slight drag” on the feeler gauge. While pushing down on the screwdriver, tighten the jam nut and check with the feeler gauge for proper clearance.

How to Adjust Yamaha Golf Cart Carburetor
  1. Pull out the pilot adjustment screw. ...
  2. Rethread the screw back until it's slightly seated.
  3. Turn the screw outwards by 1-1/2 turns.
  4. Push the throttle stop screw backward until the throttle shaft is closed completely.
  5. Turn the screw in by a 1/4 turn.

Full Answer

How do you adjust the carburetor on a Yamaha golf cart?

How to Adjust Yamaha Golf Cart Carburetor Yamaha G9 Carburetor Adjustment. Pull out the pilot adjustment screw. It must be present at a sharp point and not a flat spot. Rethread the screw back until it’s slightly seated. Turn the screw outwards by 1-1/2 turns. Push the throttle stop screw backward until the throttle shaft is closed completely.

How do you adjust the carburetor on a 2 cycle engine?

2 Cycle engine: The adjustment screw is on the side of the carburetor and is parallel to the ground. You can identify it by the lock nut at the base of the screw. Loosen this and turn the screw all the way into a soft seat, then back it out one and a half (1-1/2) turns.

How to adjust the carburetor on a 1995 gas club car?

1995 Gas Club Car Carburetor Adjustment 1 Start the adjustment with the mixture screw in a slightly seated position. Turn it outside by 1-1/2 turns. 2 Continue adjusting outward or inward in small increments. 3 Check the air filter housing and the intake hose to ensure that they don’t have any air leak. 4 Replace the fuel filter if needed.

How to adjust the carburetor on an EZGO gas cart?

EZGO Gas Cart Carburetor Adjustment 1 Adjust the idle jet pilot screw on the carburetor. This can be done by doing a 1/4 turn of the screw. 2 Do a valve clearance adjustment starting with the cold valve. ... 3 If the locknuts in the MCI engine have a size of 9mm and square heads, you’ll need a pair of needle-nose pliers and a 9mm socket.

How do you adjust the carburetor on a gas golf cart?

Find the pilot adjustment screw on the edge of your carburetor. Pay attention to this screw – it should be a sharp point and not flat. Carefully remove this screw and then carefully screw it back. Turn this screw out one and one-half turns to adjust it properly.

Where are the carburetor adjustments?

0:402:42How To Adjust A Carburetor On Your Car - YouTubeYouTubeStart of suggested clipEnd of suggested clipThen you'll notice on the front of the carburetor there are two more screws. One on the left hereMoreThen you'll notice on the front of the carburetor there are two more screws. One on the left here and one on the right those are the air screws.

How do you adjust carb mixture screws?

Locate the idle mixture screw and turn it clockwise until the needle lightly touches the seat. Then, turn the screw counterclockwise 1-1/2 turns. If your carburettor has a main jet adjustment screw at the base of the float bowl, turn the screw clockwise until you feel it just touch the seat inside the emulsion tube.

Where is the carburetor adjustment screw?

2:477:36Two-Stroke Carburetor | Adjustment Screws | How they Work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipOut into the actual fuel vane there. So if we were to screw this adjuster screw in further. So thatMoreOut into the actual fuel vane there. So if we were to screw this adjuster screw in further. So that it protrudes.

How do you adjust a carburetor air and fuel mixture?

Turn the screw clockwise until the engine starts to sound rough.Tightening the screw weakens the air and fuel mixture and decreases the amount of fuel flowing to the engine.Tightening the screw is also called making the fuel mixture leaner, which lowers the RPMs at which the engine idles.More items...

How do I know if my carburetor needs adjusting?

The engine should rev smoothly and quickly as soon as you apply throttle. If the vehicle is displaying any sort of sluggish performance or misfires when you apply the throttle, then more adjustments are required.

How do you adjust H and L screws on a carburetor?

0:254:29Chainsaw Carburetor Adjustment | How to Tune 'Correctly' - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo looking at the side of this chainsaw. We've got the H there and the L there. So this littleMoreSo looking at the side of this chainsaw. We've got the H there and the L there. So this little adjustment hole here is for the H. So the high and it goes all the way through and to the carburetor.

How do you adjust the idle fuel mixture?

With the engine at normal operating temperature, adjust all the idle mixture screws until the engine idles at the desired rpm with the highest manifold vacuum. Once that's achieved, lean the air-fuel mixture by adjusting the mixture screw clockwise a tiny amount for each adjustment screw.

How do I know if my carburetor is rich or lean?

If the mixture is too lean, it will leave no color, while a rich mixture will cause the fuel ring to become more prominent. Over-rich mixtures will give the plug a sooty appearance.

How do you adjust a carburetor without a tool?

0:251:30Adjust Carburetor without special tool - YouTubeYouTubeStart of suggested clipEnd of suggested clipRight across here and into that adjusting screw. And took me about 15 seconds to do it and now thatMoreRight across here and into that adjusting screw. And took me about 15 seconds to do it and now that that slot is cut I can just take a flat head screwdriver and make the adjustment.

Where is the air fuel mixture screw on a Mikuni carb?

The air screw can be located either near the back side of the carburetor or near the front of the carburetor. If the screw is located near the back, it regulates how much air enters the circuit. If the screw is turned in, it reduces the amount of air and richens the mixture.

What does the pilot screw adjust?

What does it do? A pilot air screw will be made of brass, gold in color, and will have a blunt tip compared to a pilot fuel screw. The pilot air screw meters air, so turning it clockwise/in will richen the fuel/air mix, while counter-clockwise/out will lean the fuel/air mix.

How to Adjust a Golf Cart Carburetor

The way to adjust the carburetor on a golf cart will depend on the model of golf cart. In most cases, you’ll need to adjust the jet pilot screw, perform a valve clearance adjustment and then clean the carburetor.

Bad Golf Cart Carburetor Symptoms

The engine shows a reduced performance such as a reduction in fuel efficiency or power and sluggish acceleration.

Troubleshooting Golf Cart Carburetor Problems

Adjust the idle jet pilot screw on the carburetor. This can be done by doing a 1/4 turn of the screw.

How to Adjust Yamaha Golf Cart Carburetor

Pull out the pilot adjustment screw. It must be present at a sharp point and not a flat spot.

Yamaha Golf Cart Carb Vs EFI

The carb model is more powerful as well as starts and goes faster when compared to the EFI. The EFI experiences delay to start moving when the pedal is pressed.

How to Adjust EZGO Golf Cart Carburetor

Check the valve adjustment for proper compression using a compression tester. You will have to pull out the plugs and put the tester inside.

EZGO Golf Cart Carburetor Diagram

The EZGO TXT gas golf cart carburetor diagram shows just one adjustment on the engine. This is present above the carburetor towards its rear. In a 2-cycle cart, this is the idle circuit and is initially set for 1-1/2 outward turns.

What is a golf cart?

Golf carts are also known as golf cars. The term "cart", in its purest sense, refers to a vehicle that does not travel under its own power. Golf cars, however, are most commonly referred to as golf... link to Club Car DS Wiring Diagrams 1981 To 2002.

How many times can a Yamaha engine be rebuilt?

Yamaha engines are durable and because of the simple design, they can be successfully rebuilt 3 or 4 times . Initially, the Yamaha G1 2-cycle gas was the standard-bearer and in 1985 the G2 4-cycle single-cylinder gas engine was introduced as the new standard.

Does the G21 have a filter?

The G2, G9, G11, and the G21 model Fuel tank has a screw-in filter that is difficult to reach. It is advisable to remove the 2-4 bolts holding the tank in and pull the tank out to drain and replace the filter. Please note that on ALL models using the screw-in filter the tank will need to be drained.

How to change the speed of a golf cart?

Locate the spring on the differential or carburetor that helps in changing the cart speed by adjusting its tension. Increase the length of the cable that is fitted on to the body of the throttle and clutch of the two-stroke engine.

How to start a golf cart with a gas pedal?

Locate the gas pedal that is fitted to the governor and remove the connection. Re-route the gas pedal to the carburetor. Remove the bolt present on the shaft of the gas pedal. Slide the shaft upwards so that the gas pedal has more play. Tighten the bolt and start the golf cart.

How fast is an EZGO golf cart?

The top speed of an EZGO golf cart is usually 19.9mph and the average speed is 14mph to 15mph. With governor adjustment, the EZGO cart can go faster by 5 to 10mph.

What is a golf cart governor?

A golf cart governor is a mechanical device that helps in controlling the maximum speed of the cart when it moves on flat ground. This device prevents the engine RPMs from increasing beyond the recommended specifications.

How to ride a golf cart at full speed?

Ride the cart at full speed over a course of known length. This will ensure that the governor controls the speed of the cart within factory specifications. Fasten the black plastic cover and put the seat back in place. Take care when tightening the nut. The more you tighten, the faster your cart will go.

Where is the governor arm on a golf cart?

Locate the governor arm of the golf cart. This is mounted above the rear axle housing and under the cart. Depending on the cart model, there may be a protection plate above the governor.

Can you remove a golf cart governor?

It doesn’t take much time or skill to remove a golf cart governor. With some basic mechanical expertise and general-purpose tools, you can do this yourself. The process is more or less the same in all golf carts.

For the 295cc or a 350cc twin-cylinder OHC engine. 1991 – Present

Tools required: Ratchet with 6″ extension, 10mm socket, 10mm socket wrench, flat blade screwdriver, and a feeler gauge. Note: if the screw (C) has a square head instead of a flat blade slot, this takes a tool designed just for this purpose.

For the Kawasaki FJ400 401cc 4-cycle Single Cylinder 1996 – Present

Tools required: Ratchet with 6″ extension, 10mm socket, 3mm hex wrench, feeler gauge.

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