Welcome to my youtube Chainsaw Carburetor Adjustment.

Tuning a chainsaw involves adjusting the carburetor to optimize its performance. Typically, you adjust two screws on the carburetor: the High (H) screw and the Low (L) screw. Adjusting the H screw first is essential for finetuning the highspeed settings. Here's a stepbystep guide on how to do it:

Safety First: Always wear the appropriate safety gear, including safety goggles, gloves, and hearing protection. Ensure the chainsaw is on a flat, stable surface with the bar and chain away from any obstructions.

Identify the Screws: Locate the carburetor adjustment screws on your chainsaw. The H screw, which controls the highspeed settings, is often marked with an 'H' or 'HI' near it. It may also be colored red.

Factory Settings: Before making any adjustments, it's a good practice to find out the manufacturer's recommended settings for your chainsaw's carburetor. Check the user manual or the manufacturer's website for this information. The recommended settings may vary depending on your chainsaw's make and model.

Adjust the High Screw: I personally adjust the H screw first So to adjust the H screw, turn it clockwise (right) to lean the fuelair mixture for higher RPM or counterclockwise (left) to enrich the mixture for lower RPM. Start with a baseline setting by turning the screw all the way in (clockwise) gently, then back it out by 1.5 to 2 turns.

Initial Start: Start your chainsaw, and let it run at full throttle for a few minutes. This allows it to warm up to its operating temperature.

FineTuning: With the chainsaw running at full throttle, slowly adjust the H screw in small increments (1/8 or 1/16 of a turn) until you find the setting where the engine is running smoothly and reaches the highest RPM without any stuttering or excessive smoke. You should notice the engine running cleanly without bogging down.

Cutting Test: After making adjustments, test the chainsaw by cutting a log or piece of wood. If it bogs down or stalls during cutting, it may be running too lean, so enrich the mixture by turning the H screw counterclockwise

This principle works for most types of Chainsaw saws, and the following also helps with Chainsaw maintenance. So, whether you are using a Stihl Chainsaw, Husquvarna Chainsaw, basically, all types of Petrol Chainsaw are valid for this principle, as well as many types of or a 2 Stroke Engine. The Electric Chainsaw, of course, escapes this whole principle!

Anyone who has experience tuning chainsaws knows, whether it be a Stihl chainsaw, a Homelite chainsaw, Poulan, McCulloch, Jonesered or husqvarna chainsaw, that there are so many different types of adjustment screw heads on all of the different brands available. Some have screw driver heads and others have specialist tool requirements. Here I have included a great adjustment kit on Amazon, which will fit most chainsaws: https://amzn.to/39EbJg0

Thank you

Craig Kirkman, The Repair Specialist, on chainsaw carburetor adjustment Please check out my amazon shop. I have recommended some useful items from Amazon below. I guarantee you that these items are the sorts of things I use on a daily basis so I know they are good. I have to be careful in recommending products because I have my name and credibility at stake. So I will only recommend good products. https://www.amazon.co.uk/shop/therepa...

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