Why Won’t My Chainsaw Cut? 6 Common Reasons and How to Fix Them

Your Chainsaw Won’t Cut Here’s Why and How to Fix It

Your chainsaw is one of the most important tools in your arsenal, but it can be frustrating when it doesn’t work properly. If your chainsaw is not cutting, there are a few things that could be the problem. In this blog post, we will discuss the most common reasons why chainsaws won’t cut and how to fix them.

Why Won’T My Chainsaw Cut

Why Won’t My Chainsaw Cut?

Dull chain:

The most common reason a chainsaw won’t cut is a dull chain. To check if your chain is dull, run your finger along the teeth. If they are rounded, it’s time for a sharpening.

Tight chain:

A too-tight chain can also cause problems with cutting. To check the tension, hold the chainsaw with the chain off the ground. The chain should have about 1/2 inch of slack.

Low oil:

If your chainsaw is running low on oil, it won’t be able to lubricate the chain properly and will eventually wear out. Check the oil level regularly and add oil as needed.

Clogged air filter:

A clogged air filter can restrict airflow to the engine, causing it to lose power. Clean or replace the air filter regularly.

Dirty bar:

A dirty bar can cause the chain to bind and not cut properly. Clean the bar regularly with a wire brush.

Misaligned chain:

If the chain is not aligned properly, it will not cut properly. Align the chain according to the manufacturer’s instructions.

Why Won’t My Chainsaw Cut?

There are a few reasons why your chainsaw might not be cutting properly.

The chain is dull:
This is the most common reason why a chainsaw won’t cut. A dull chain will skip and jump, making it difficult to cut through wood. To check if your chain is dull, run your finger along the teeth. If they feel rounded, it’s time for a sharpening.

The chain is too tight:
If the chain is too tight, it will bind up and not cut properly. To check the chain tension, hold the chainsaw with the bar parallel to the ground. The chain should have about 1/8-inch of play between the chain and the bar. If it doesn’t, loosen the chain tensioner until it does.

The chain is too loose:
If the chain is too loose, it will come off the bar and could be dangerous. To check the chain tension, hold the chainsaw with the bar parallel to the ground. The chain should have about 1/8-inch of play between the chain and the bar. If it does, tighten the chain tensioner until it doesn’t.

The bar is bent:
If the bar is bent, it will cause the chain to skip and jump. To check if the bar is bent, lay the chainsaw down on a flat surface. The bar should be straight and parallel to the ground. If it’s not, you’ll need to have it straightened.

The carburetor is dirty:
If the carburetor is dirty, it can cause the chainsaw to run poorly and not cut properly. To clean the carburetor, you’ll need to remove it from the chainsaw and follow the manufacturer’s instructions.

The spark plug is fouled:
If the spark plug is fouled, it can cause the chainsaw to misfire and not cut properly. To check the spark plug, remove it from the chainsaw and inspect it. If it’s black and sooty, it’s time to replace it.

If you’ve checked all of these things and your chainsaw still won’t cut, it’s time to take it to a qualified service technician.

Also Read: Why Won’T My Chainsaw Cut Straight

FAQs: Why Won’t My Chainsaw Cut?

Why won’t my chainsaw start?

Possible causes:
The chainsaw is not getting enough fuel.
The chainsaw is not getting enough air.
The chainsaw is not getting enough spark.
The chainsaw is flooded.
The chainsaw’s chain is too loose.
The chainsaw’s chain is too tight.
The chainsaw’s bar is bent.
The chainsaw’s carburetor is dirty.
The chainsaw’s spark plug is bad.
The chainsaw’s ignition coil is bad.

Solutions:
Check the fuel level and make sure that the fuel tank is full.
Clean the air filter.
Check the spark plug and make sure that it is properly gapped and installed.
Clear the chainsaw’s carburetor.
Loosen the chain tensioner and adjust the chain so that it is snug against the bar.
Tighten the chain tensioner and adjust the chain so that it is not too tight.
Straighten the chainsaw’s bar.
Clean the carburetor.
Replace the spark plug.
Replace the ignition coil.

Why is my chainsaw chain skipping?

Possible causes:
The chainsaw’s chain is too loose.
The chainsaw’s chain is too tight.
The chainsaw’s bar is bent.
The chainsaw’s sprocket is worn out.
The chainsaw’s chain is dull.

Solutions:
Loosen the chain tensioner and adjust the chain so that it is snug against the bar.
Tighten the chain tensioner and adjust the chain so that it is not too tight.
Straighten the chainsaw’s bar.
Replace the chainsaw’s sprocket.
Sharpen the chainsaw’s chain.

Why is my chainsaw smoking?

Possible causes:
The chainsaw is running too rich.
The chainsaw’s carburetor is dirty.
The chainsaw’s spark plug is bad.
The chainsaw’s ignition coil is bad.

Solutions:
Adjust the chainsaw’s carburetor so that it is running lean.
Clean the chainsaw’s carburetor.
Replace the chainsaw’s spark plug.
Replace the chainsaw’s ignition coil.

Why is my chainsaw making a loud noise?

Possible causes:
The chainsaw’s chain is too loose.
The chainsaw’s chain is too tight.
The chainsaw’s bar is bent.
The chainsaw’s sprocket is worn out.
The chainsaw’s chain is dull.

Solutions:
Loosen the chain tensioner and adjust the chain so that it is snug against the bar.
Tighten the chain tensioner and adjust the chain so that it is not too tight.
Straighten the chainsaw’s bar.
Replace the chainsaw’s sprocket.
Sharpen the chainsaw’s chain.

Why is my chainsaw cutting slowly?

Possible causes:
The chainsaw’s chain is dull.
The chainsaw’s chain is too loose.
The chainsaw’s bar is bent.
The chainsaw’s sprocket is worn out.

Solutions:
Sharpen the chainsaw’s chain.
Tighten the chain tensioner and adjust the chain so that it is snug against the bar.
Straighten the chainsaw’s bar.
Replace the chainsaw’s sprocket.

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