TheRepairSpecialist
Episode 35: Main Jet | How it Works | 2-Stroke Chainsaw Carburetor
* VISUALLY EXPLAINED by Craig Kirkman, a renowned you tube educator of these systems.
Very few people know this, but there is a very special Pump inside your Chainsaw Carburetor, and any malfunction of the pump and can cause a whole host of problems (bog, incorrect running and starting issues, to name just some). Powered by the fuel pump diaphragm, this pump is the heart of the 2 stroke chainsaw carburetor.
In this unique video, learn about how this type of Two-Stroke Carburetor Main-Jet works. These types of main jet can in many types of small engines such as a Chainsaw, Hedge Trimmer, Brush-cutter, Small Quad Bike, Scooter and Mini Pocket Bike. To master carburetor repair and diagnosis, one must know how a carburetor works.
All 2-Stroke Carb Episodes Here:
https://www.youtube.com/playlist?list=PLrlXp3PlwgRI5OLvm3P91LJr1CYnO5TRD
For some FREE Printable Download help Leaflets: https://www.therepairspecialistonline.com/
Diagrams in this video are Copyrighted to Craig Kirkman of The Repair Specialist!
* Why does a 2 Stroke Engine only run on Choke? https://www.youtube.com/watch?v=6Un97-8JRHg
* Two Stroke - Four Stroke Engine Comparison: https://www.youtube.com/watch?v=ZjadL2Iit_I&t=509s
How does an Emulsion Tube work? What is it's purpose? : https://www.youtube.com/watch?v=IGPg51AtIEE&t=125s
* I Correct Chainsaw Running Problems using the Fuel Screw Adjustment: https://www.youtube.com/watch?v=Eo6iUTjcQ8Q&t=32s
* Chainsaw Carburetor | How it Functions:
https://www.youtube.com/watch?v=kTly4BYvauM&t=90s
* Un tangle your Chainsaw Chain easily | I show you here: https://www.youtube.com/watch?v=lpiyqSVSeu4
* Buying a Used Chainsaw | My advice: https://www.youtube.com/watch?v=jW66xLmNLxc
* Got your Carburetor Fuel Screws Mixed Up? I show you some remedies:
https://www.youtube.com/watch?v=L8smASBVupc
* How Fuel Flows through the Chainsaw Carburetor:
https://www.youtube.com/watch?v=NNYEsmtB_X8
* Limp Starter Cord on your Chainsaw? Here's why with solutions:
https://www.youtube.com/watch?v=xIUeov9IFtA&t=171s
* How to Tension a Chainsaw Chain Correctly:
https://www.youtube.com/watch?v=V9RUt22UNEY&t=145s
* How to order the Correct Chainsaw Chain Every time. I show you:
https://www.youtube.com/watch?v=0JUrdd_ZNxs
* How to Un-Flood your Chainsaw Quickly, with and without tools:
https://www.youtube.com/watch?v=U9BURjo005U&t=120s
* Chainsaw damage caused by Dirt in Fuel: https://www.youtube.com/watch?v=MBhINTKRUQk&t=6s
* 2 Stroke fuel mix for engine longevity: https://www.youtube.com/watch?v=wDpVc15znJs&t=26s
* How a Chainsaw Engine and Carburetor work together: https://www.youtube.com/watch?v=XPgaF-JBwco
* Good Maintenance | How to Clean a Chainsaw:
https://www.youtube.com/watch?v=YhvcvXUkwqI
* Storing a Chainsaw | Good Practice: https://www.youtube.com/watch?v=CiJFACoH0rA&t=24s
* How an Ultrasonic Cleaner actually cleans your carburetor:
https://www.youtube.com/watch?v=M8F_jLhEJIQ&t=24s
TIMESTAMP:
00:19 - What is the Two Stroke Carburetor Main Jet?
00:50 - Neoprene Rubber Valve inside the Main Jet
00:56 - Neoprene Rubber Valve Cap inside the Main Jet
01:12 - 2-Stroke Main Jet Components (cross sectional view)
01:23 - How the 2-Stroke Main Jet Works
02:07 - How the Main Jet works on the Induction Stroke
02:14 - How the Main Jet works at the end of the Induction Stroke
02:58 - How a Main Jet protects the 2-Stroke Carburetor during an Engine Blow-back
03:36 - Main Jet and fuel leakage
03:53 - How the Carburetor Metering System prevents gas fuel leakage into the 2-Stroke Carburetor
03:56 - How gas fuel is lost from the 2-Stroke Main Jet
05:01 - Main Jet Valve Damage by Carburetor Cleaning Spray and Ethanol in gas Fuel
05:18 - How the Main Jet Works Animation
Why know these basic fundamentals of how a 2-stroke carburettor main-jet works? Well, lets put that into perspective. When you take your car in to the garage for repair work who do you want to be repairing it? A person with a solid background of experience and theoretical knowledge in the field. Basically, you want them to know your engine inside out! So then, you know the importance of the type of theoretical knowledge explained in this video.
Whether your chainsaw wont start, or you need to know how to tune a chainsaw, how to tune a quad bike, how to tune a mini pocket bike or any of the other machines mentioned (basically many types of 2 stroke engine), or need undertake diagnostic checks of your two stroke engine in general, knowing the basics in this video will give you a foundational understanding to help you on your way.
The more you learn about, carburetors and how they function, the easier you will find it to tackle carburetor diagnosis and repairs. This is a chance to sit back and increase your knowledge!
Many thanks indeed
Craig Kirkman (Owner and creator of The Repair Specialist channel and copyrighted diagrammatic content)
Website: https://www.therepairspecialistonline.com/