- 1 How a Walbro carburetor works?
- 2 Which Walbro carburetor do I have?
- 3 Are Walbro carbs good?
- 4 What does a diaphragm do on a carburetor?
- 5 What are the 3 types of carburetors?
- 6 How do you soften a diaphragm carburetor?
- 7 Do 2 cycle engines have a carburetor?
- 8 Where is the carburetor number located?
- 9 How do you test a Walbro carburetor?
How a Walbro carburetor works?
For each intake cycle of the engine, the engine draws a small amount of fuel from the lower fuel chamber past the low speed mixture circuit. The drawn fuel opens the fuel flow seat and the engine vacuum actually draws the fuel from the fuel supply pipe via the upper chamber.
Which Walbro carburetor do I have?
According to the Small Engine Advisor site, Walbro identification numbers are normally found on the outside body of the carburetor. Walbro carburetor identification codes are a combination of letters and numbers, WT-160B, for example. Also, the Walbro name is sometimes prominently cast on the carburetor body.
Are Walbro carbs good?
Only good thing is the carbs are dirt cheap to replace when they foul up. And they will foul up no matter how picky you are with fuel quality. Zama is owned by Stihl or part owned by Stihl and has their main factory in Japan. They are excellent carbs,no better or o worse than the equivalent Walbro.
What does a diaphragm do on a carburetor?
The diaphragm is connected to the needle valve and as it moves inward it opens the needle valve to admit more fuel, thus replenishing the fuel as it is consumed. As fuel is replenished the diaphragm moves out due to fuel pressure and a small spring, closing the needle valve.
What are the 3 types of carburetors?
There are three general types of carburetors depending on the direction of flow of air.
- Types of Carburetors.
- Constant Choke Carburetor:
- Constant Vacuum Carburetor:
- Multiple Venturi Carburetor:
How do you soften a diaphragm carburetor?
Dot 3 brake fluid will soften up those hardened diaphragms and it softened back up to the point where it had the consistency of a brand new part.
Do 2 cycle engines have a carburetor?
A 2-stroke or double barrel carburetor works the same way that a basic carburetor works, except that more air and gasoline can be pushed into the engine because there are more barrels or tubes and thus, more airflow.
Where is the carburetor number located?
The list number is stamped on your carburetor, either on the corner of the airhorn or choke tower or, if it doesn’t have an airhorn, on the mainbody. Remove the carburetor from your vehicle before looking for the list number to easily find the information you need.
How do you test a Walbro carburetor?
The Walbro part numbers and letters can be found next to the adjustment needles on some of our larger models like the HDA and HDB series carburetors, and near the fuel inlet fitting on our WT and WA series.