Cleaning Carburetors
The carburetor is a part of the engine that allows it to do the job it is intended to do. It carefully mixes the right amount of air and fuel to allow combustion and produce power. Without this device, the engines would not work. During the 1980s this device was replaced by the automatic fuel injector. However, the carburetor is still very common in some high-performance vehicles, as well as motorcycles and many other small engines.

Maintenance Steps
It is very important to keep the carburetor clean for it to run properly. If the carburetor is not periodically cleaned and maintained, its ability to regulate the combustion can seriously be compromised, resulting in the motor to not run properly.

The first step in keeping your carburetor running properly is to remove it from your motor. After you have done so you will be able to clean it, disassemble it, and keep it in running condition.
How to Clean

After you remove the carburetor from the motor, cleaning it in a cleaning solvent would be the first thing you should do. You can do this by using a special tool designed for cleaning carburetors. After you have cleaned the carburetor with the cleaning solvent, as well as finished disassembling it, you must then make sure that all ports and jets are cleared. You can accomplish this by flushing out these parts with compressed air.

It is very important that you use proper care when cleaning out the carburetor. If you intend to do this, make sure that you use the proper equipment necessary perform this function. Do not use wires, or other machine-powered products to clean the carburetor. This is because the carburetor is carefully calibrated to a specific setting. Using those products might damage the product.



Chris Cochran

 

Kevin Bayer

 
 

Ryder Laplante

 

Sara Elrod

 

Tucker Klaasmeyer

 



Torshion Bar chart (click here)

Cleaning Carburetors (CLICK HEADER)
The carburetor is a part of the engine that allows it to do the job it is intended to do. It carefully mixes the right amount of air and fuel to allow combustion and produce power. Without this device, the engines would not work. During the 1980s this device was replaced by the automatic fuel injector. However, the carburetor is still very common in some high-performance vehicles, as well as motorcycles and many other small engines.

Maintenance Steps
It is very important to keep the carburetor clean for it to run properly. If the carburetor is not periodically cleaned and maintained, its ability to regulate the combustion can seriously be compromised, resulting in the motor to not run properly.

The first step in keeping your carburetor running properly is to remove it from your motor. After you have done so you will be able to clean it, disassemble it, and keep it in running condition.
How to Clean

After you remove the carburetor from the motor, cleaning it in a cleaning solvent would be the first thing you should do. You can do this by using a special tool designed for cleaning carburetors. After you have cleaned the carburetor with the cleaning solvent, as well as finished disassembling it, you must then make sure that all ports and jets are cleared. You can accomplish this by flushing out these parts with compressed air.

It is very important that you use proper care when cleaning out the carburetor. If you intend to do this, make sure that you use the proper equipment necessary perform this function. Do not use wires, or other machine-powered products to clean the carburetor. This is because the carburetor is carefully calibrated to a specific setting. Using those products might damage the product.



MX7 REAR AXLE(CLICK HEADER)

MX7 REAR AXLE DRAWING

 
CHASSIS SETUP 101

Chassis 101 – Loose off (lack off forward bite)

  Tight in = loose off

  If you will remember this you will become faster in one week.

  90% off all forward bite issues is a direct relationship to something that has been done to make the car get in the corner better.

  I deal with this on a regular basis, especially in July and August when all the tracks are dry slick.

  The problem starts when you try to tighten the car up and instantly you start fighting a forward bite issue. I see so many people that are fast when the track is good and then it slicks off and all off a sudden the whole program is junk.

  The big fix is patience, as the track gets slicker it’s also slowing down. So as a driver you must slow down. When the car is fast you are not working the steering wheel much, same when it’s dry let the car do its job. Don’t run down the straight and give the wheel a big yank to the left, now the car is in a four wheel skate and you have to wait on it to pick the throttle up. Actually the car should turn its self you’ll just have to be patience and wait on it.

  I have separated some of the componets that will affect handling of the car when it drys out. I will address these separate, mainly because of the length and time frame to do them all at once.

  If you have any other things that you would like brought up just let me know

 
CHASSIS SETUP---AIR PRESSURE

Chassis Set Up – 101 Air Pressure

 The first thing that we will deal with in our Chassis Set Up 101 is air pressure. Simple everyone does it but most people only do it cause that’s what you are supposed to do and don’t know what it does in relation to your starting set up and the rest of the car.

 I will go to an extreme so you can see exactly what an air pressure change does, I am going to put a basic set up on the car with the air pressure set at 9 lbs. in front, 5lbs in left rear and 10lbs in right rear and we put on scales and the car has even weight across the rear.

 We start the night out and the car is fast and all is good, so like most tracks the track starts getting drier and slicker so the first thing you do is let the right rear air down. In this case we are going to 4lbs (I never go this low) and we go out in the feature and the car is way to lose. Why did going down on air pressure make the car looser?

 First off, on the scales you had even weight across the back when you had 10 lbs. of air in the right rear but when you go down to 4lbs of air in the right rear it brought your cross weight or left rear weight up to say 40 to 50lbs left rear heavy. So you lost your balance in the car.

 Not only did you lose the balance in the car, the air pressure change reduced your stagger and the tilt in the car. And the car is now loose because it stays on the right rear to long. Normally this is when the car feels skatey and you can’t kick the throttle up quick enough. I would say 75% of the racers make this mistake.

 The fix – first you have to know what a change does when you make it. This is just a simple air pressure change no big deal right – wrong, you have to know when you make a change how to get the balance back in the car.

 Set up is very simple, I have just have 2 things that all changes are based on 1) I want to pick the throttle up sooner and 2) I want to be able give it more throttle. If you ask yourself these 2 questions after every time you race and make changes the answers will fix you set up issues.

 


ELECTRICAL SCHEMATIC FOR JR SPRINTS