Which Sewing Machines Should Not Be Oiled (and How to Oil the Rest)

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Most machines sold for home sewing in the UK between the late 1990s and today are designed to run without user-applied oil. You can usually spot these self-lubricating models by looking for the phrase ’no oil required’ in your manual or checking if the model number corresponds to a computerised series from that era. Only after confirming your machine actually needs oil should you proceed with lubrication.

You’ve got the machine out, cleaned the lint, changed the needle, and rethreaded twice—but something still isn’t right. A grinding noise, fabric that won’t feed, or a stiffness in the hand-wheel that wasn’t there last month. It crosses your mind: maybe it needs oiling.

You’re probably right. But before you reach for anything in the cupboard, there’s one step most guides skip entirely, and getting it wrong is how machines end up worse than before you started. This article explains which machines must never be oiled, which ones need it, and exactly how to do it safely.

The most common symptoms—looping, skipped stitches, thread snapping, fabric that won’t feed—nearly always point to threading, the needle, or lint first. Work through those before you touch any lubricant. But if the manual says your machine needs oil, or if you’ve inherited an older model, here’s how to do it.

Understanding machine types

Check your manual to find out whether your machine is self-lubricating before you add any oil at all.

📺 Watch: Should I oil my sewing machine? Listen to the difference Abi’s Den

Some modern sewing machines, particularly computerised models whose manuals specify sealed, pre-lubricated, or maintenance-free components, are designed to operate without user-added oil. Adding oil to these machines can over-saturate internal mechanisms, causing drips onto fabric and attracting lint. If your manual mentions “self-lubricating,” “sealed bearings,” or “no oil required,” put the bottle away.

Machines with visible oiling points, or whose manuals provide specific oiling instructions, require regular lubrication. Oiling requirements vary significantly even within the same brand, so always consult the manual for your exact model.

Here is a quick way to sort it:

• Does the manual explicitly say “self-lubricating” or “no oil required”? → Do not oil.
• Does the manual show oiling points or instruct you to oil the hook race or needle bar? → Oil those points only.
• Is the manual missing or unclear? → Stop and contact the maker’s support line before proceeding.

Machines from the same brand are a common source of confusion. A modern model may be sealed, while an older mechanical one has exposed oiling points. Same brand, completely different requirements, so the manual for your exact model decides.

What not to use as lubricant

If you’ve confirmed your machine needs oil, the next question matters: what are you putting in it?

Three substances come up repeatedly, and none belong near your machine.

WD-40 is a solvent and degreaser, not a lubricant. It strips away existing lubrication and leaves surfaces exposed. It also thins out and migrates easily, so what you apply at the hook race can end up inside the tension assembly or on your fabric. It is a quick fix for a door hinge; it is a slow disaster for a sewing machine.

Cooking oil and margarine can become sticky or rancid and may attract lint, so do not use them.

Manufacturers and sewing-machine guidance generally recommend using dedicated sewing-machine oil instead of 3-in-1 oil or other general-purpose lubricants.

Household grease is far too thick for the delicate, fast-moving parts inside a sewing machine. It will cause stickiness and trap lint.

The rule is simple: if it’s not sold specifically as sewing machine oil, it doesn’t go in your machine. A small bottle of proper oil solves the problem. The alternatives cost you a service or worse.

Choosing the right oil

For machines that do need lubricating, there are two products worth keeping.

📺 Watch: How to Oil and Grease Vintage Sewing Machine Gears …

Sewing machine oil is the correct lubricant for the hook race and needle bar. It is a fine, non-gumming mineral oil.

Hemline Sewing Machine Oil (paid link) comes in a small 20ml bottle, which suits a machine that only needs a drop at a few points—over-oiling is easier to do than under-oiling, and the consequences are worse.

See Hemline Sewing Machine Oil on Amazon → (paid link)

Singer Sewing Machine Oil (paid link) is another sewing machine oil, and a sensible choice for a machine that needs regular oiling. Whichever you buy, check the cap is secure before you store it.

See Singer Sewing Machine Oil on Amazon → (paid link)

Some vintage machines also call for a specific grease on their larger, slower-moving gears. Use only what your manual names, and never household grease or petroleum jelly. Don’t force the mechanism open if it isn’t designed to be accessed; leave gear work to a service engineer.

Practical note: when applying oil to the bobbin area, use a cotton bud to clean the surface first. Lint and old oil become an abrasive paste, which is worse than either ingredient alone.

How to oil your machine safely

If you’ve confirmed your machine needs oil, follow this order.

📺 Watch: Sewing Machine Maintenance: Oil and Clean

Step 1: Clean first. Remove the needle, take out the bobbin, and clear lint from the bobbin case, feed dogs, and any accessible areas with a lint brush (paid link)See on Amazon. Clean lint before oiling.

Step 2: Identify the oil points. Look for small holes or marked spots on the machine body, often near the hook race or along the needle bar. Your manual will show you where to apply oil, and that is the complete list. Do not hunt for other spots.

Step 3: Apply the oil. Use a single drop of sewing machine oil at each point. Not a stream, not a pool—a single drop. Hold the bottle steady and touch it to the oiling point.

Step 4: Leave the gears alone. If your manual calls for grease on any gears, use only the product it names. If it doesn’t mention it, don’t grease anything, and leave gear work to a service engineer.

Step 5: Test. Replace the bobbin and needle, thread the machine, and run it on scrap fabric. Check for smooth movement and no excess oil on the fabric. If fabric comes out with an oily mark, wipe away the excess and run another scrap through.

When to seek professional help

Some parts of a sewing machine must never be touched with oil.

Do not apply oil to electrical components. If the motor hums but nothing moves, if there is a smell of burning, or if the pedal or lead shows damage, unplug immediately and seek a service.

Timing and hook-timing adjustment is a specialist job. If your machine is skipping stitches severely, hitting the needle plate, or making a clicking sound that changes with speed, the timing may be out—that is a job for a service engineer.

Circuit boards are sensitive to moisture and contaminants. No oil belongs anywhere near them.

Persistent grinding that doesn’t resolve after cleaning, a hand-wheel that won’t turn freely, or a machine that suddenly seized indicate mechanical wear that needs professional attention.

Common questions answered

Can I use baby oil on my sewing machine?

Stick with an unscented, dedicated sewing machine oil rather than baby oil, which contains additives not designed for precision metalwork.

How often should I oil my machine?

For a machine that requires oiling, your manual says where and how often, so follow that rather than a fixed schedule. Little and often, one drop at each marked point, is the usual approach. For a self-lubricating machine, the answer is never—unless the manual explicitly directs otherwise.

I’ve already used WD-40 on my machine. What do I do now?

Unplug the machine and wipe away as much of the WD-40 as you can reach with a clean, dry cloth. Run the machine on scrap fabric to work out any remaining residue. If it feels sticky or sounds rough, it may need a professional clean to remove the solvent. Don’t apply sewing machine oil over the top; that will just mix with it.

What if I’ve over-oiled my machine?

Wipe away the excess with a clean cloth, then run several lengths of scrap fabric through to absorb what you can’t reach. If the machine still feels heavy or marks the fabric, leave it to rest for a few hours and run more scrap fabric through. Persistent over-oiling may require a service clean.

Quick comparison

Final advice

The whole question of oiling comes down to one decision: know your machine first. A machine whose manual says no user lubrication is required should not be oiled unless the manufacturer directs otherwise. An oil-requiring machine needs a single drop of proper sewing machine oil at the right points, applied cleanly, after the lint is gone. Everything else is a mistake waiting to happen.

Before you do anything, check the manual. Most makers publish PDFs on their support websites for older models. That is the document that answers the question for your specific machine.

If you’ve worked through the setup checks—rethreading, a new needle, clean lint, the bobbin in the right way—and the machine still isn’t behaving, the problem is likely not something you can fix with oil. That is the point to decide whether it’s worth a service.

If you’ve mistakenly oiled a self-lubricating machine, you might notice oil spots appearing on your fabric or the machine developing a sticky feel. In that case, our complete maintenance hub has detailed cleaning procedures.

Download the Free Sew and Fix Fault-Finding Checklist

Related Guides

For a complete overview, see our How to Clean, Oil and Look After a Sewing Machine at Home .

Sources & Further Reading

1. Bernina Sewing Machine Oil
2. Oil, Oil Cans, Can Holders and Lubrication
3. Elna SP sewing machine… Totally stitched up. - Fix It Workshop

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Note: General guidance only, verify details with a qualified professional or official source.