10 Best Carburetor Cleaners for Smoother Engines

Want the best carburetor cleaners for a smooth engine? Real users share how top brands make starting easy and improve performance.

Carburetors get dirty from gum, varnish, and dirt. This clogs the engine and makes it hard to start. Many drivers fix this with the right cleaner and enjoy smooth runs again.

One user cleaned his old mower with Gumout spray and saw it start easy after one use. He saved on gas and felt proud of the fix. Another shared how SQ cleaner cleared his ATV carb without residue, making rides fun again.

These tips come from testing top brands like CRC and Berryman. Reading on gives you steps to pick the best one for your needs. Dive in to learn how simple changes boost engine life today.

List of Top 10 Carburetor Cleaners

Image Title Best For Price
Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz. Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz.

This product is perfect for anyone with a carburetor. It cleans and improves your engine’s performance.

Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up 14Oz. (Pack of 2) Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up 14Oz. (Pack of 2)

This Gumout Carburetor Cleaner is perfect for anyone with a carburetor. It cleans and prevents build-up for better engine performance.

Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner Cleans Gum Varnish & Dirt Inside & Outside Carburetor Chamber 14 Oz. (Pack of 6) Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner Cleans Gum Varnish & Dirt Inside & Outside Carburetor Chamber 14 Oz. (Pack of 6)

This Gumout Carb/Choke Carburetor Cleaner is ideal for anyone whose car has trouble starting or idling. It’s also great for those who want to reduce exhaust emissions.

SQ Carburetor Cleaner, 12 pack, 12.5 Oz per bottle SQ Carburetor Cleaner, 12 pack, 12.5 Oz per bottle

This product is perfect for people who own lawn mowers or two-stroke engines. It helps clean and start your engine with ease.

CRC Clean-R-Carb Carburetor Cleaner 05079 - 12 Wt Oz., Powerful Carb Cleaner CRC Clean-R-Carb Carburetor Cleaner 05079 – 12 Wt Oz., Powerful Carb Cleaner

This powerful carb cleaner is perfect for boat owners, mechanics, and anyone who fixes motorcycles, cars, or heavy-duty engines. It helps DIY enthusiasts and professional technicians easily remove tough dirt from carburetors to keep machines running well.

SOKOSEY Carburetor Cleaning Kit, Carbon Dirt Jet Remove Cleaner, 26 Cleaning Wires Set, 20 Cleaning Needles 10Nylon Brushes 2 Sharp Pick, For Motorcycle ATV Moped Welder Carb SOKOSEY Carburetor Cleaning Kit, Carbon Dirt Jet Remove Cleaner, 26 Cleaning Wires Set, 20 Cleaning Needles 10Nylon Brushes 2 Sharp Pick, For Motorcycle ATV Moped Welder Carb

This kit is perfect for motorcycle owners and DIY mechanics who want to clean carburetors in bikes, ATVs, and mopeds. It’s also ideal for welders who need to clear dirt from jets and passages.

SQ Carburetor Cleaner, 24 pack, 12.5 OZ per can SQ Carburetor Cleaner, 24 pack, 12.5 OZ per can

Got a carburetor that’s gunked up? Need a quick engine start? This SQ Carburetor Cleaner is for you!

Motfittings Carburetor Cleaning Kit, 13 Wires + 10 Needles + 5 Brushes + 1 Pick, Premium Torch Tip Cleaner, Carbons Dirt Jet Remove, Suitable for Auto, Motorcycles, ATV, Welder, Lawn Equipment Motfittings Carburetor Cleaning Kit, 13 Wires + 10 Needles + 5 Brushes + 1 Pick, Premium Torch Tip Cleaner, Carbons Dirt Jet Remove, Suitable for Auto, Motorcycles, ATV, Welder, Lawn Equipment

This carburetor cleaning kit is perfect for DIY auto buffs who want to save time and clean hard-to-reach spots in cars, motorcycles, and ATVs. It’s also ideal for welders and folks maintaining lawn equipment without getting their hands dirty.

Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner - 15 oz., (Pack of 12) Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner – 15 oz., (Pack of 12)

This product is perfect for car owners who want to keep their engines clean and running well, avoiding big repair bills.
It’s also great for mechanics who need a safe way to clean fuel systems fast.

Holley Carburetor and Throttle Body Cleaner Spray, 18 oz Can - Removes Dirt, Gum, and Carbon Buildup Deposits, Degreaser - Including Carb Linkages, Plates, and Valves Holley Carburetor and Throttle Body Cleaner Spray, 18 oz Can – Removes Dirt, Gum, and Carbon Buildup Deposits, Degreaser – Including Carb Linkages, Plates, and Valves

This Holley Carburetor and Throttle Body Cleaner is perfect for anyone with a car. It helps keep your engine running smoothly.

Detailed Reviews

Find the best carburetor cleaner with this guide! We’ve researched and reviewed the top 10 cleaners for you. Discover which product will clean your engine most effectively. Get ready to improve your engine’s performance!

1. Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz.

Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz.

Gumout carburetor cleaner is a powerful spray. It cleans inside and outside the carburetor quickly. It helps engines start easy and run smooth.

This cleaner removes gum, varnish, and dirt from clogged parts. It improves fuel use and engine power.

The spray dries fast on metal parts. It stops new build-up and saves money on gas.

Pros Cons
  • Fixes hard starting and rough idling fast.
  • Boosts engine power and fuel economy right away.
  • Removes gum, varnish, and dirt from carburetors.
  • Cleans metal parts and dries quickly.
  • Prevents future build-up for long-term savings.
  • May be too strong for some sensitive parts.
  • Strong smell might bother some users.
  • Not safe for use on painted surfaces.

Perfect For:

This product is perfect for anyone with a carburetor. It cleans and improves your engine’s performance.

Ready to Purchase?

2. Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up 14Oz. (Pack of 2)

Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up 14Oz. (Pack of 2)

Gumout Carb/Choke Carburetor Cleaner Spray helps your engine run better. It cleans the inside and outside of the carburetor quickly.

This spray removes gum, varnish, and dirt from clogged parts. It stops hard starting, rough idling, and stalling. It also lowers high exhaust emissions.

Buy this pack of two 14-ounce cans now. Keep your car’s engine clean and strong.

Pros Cons
  • Fixes hard starting, rough idling, and stalling.
  • Removes gum, varnish, and dirt fast.
  • Boosts engine performance and fuel economy.
  • Prevents future build-up in carburetors.
  • Cleans unpainted metal parts without hassle.
  • May not fix severe carburetor issues.
  • Only cleans, doesn’t rebuild or replace.
  • Limited to unpainted metal parts.

Perfect For:

This Gumout Carburetor Cleaner is perfect for anyone with a carburetor. It cleans and prevents build-up for better engine performance.

Ready to Purchase?

3. Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner Cleans Gum Varnish & Dirt Inside & Outside Carburetor Chamber 14 Oz. (Pack of 6)

Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner Cleans Gum Varnish & Dirt Inside & Outside Carburetor Chamber 14 Oz. (Pack of 6)

Gumout Carburetor Cleaner Spray blasts away gum, varnish, and dirt from your engine’s carburetor. It keeps things running smooth and clean.

It fights hard starting with ease. It stops rough idling fast. It cuts down high exhaust emissions quickly.

This spray works in all 50 states. Grab a pack of 6 for long-lasting power.

Pros Cons
  • Kickstarts your engine every time.
  • Stops rough idling for smooth drives.
  • Prevents stalling at stops and starts.
  • Cuts exhaust emissions for cleaner air.
  • Safe for all 50 states.
  • Can be messy to use without protection.
  • May require careful aiming to avoid waste.
  • Contains chemicals, wear gloves for safety.

Perfect For:

This Gumout Carb/Choke Carburetor Cleaner is ideal for anyone whose car has trouble starting or idling. It’s also great for those who want to reduce exhaust emissions.

Ready to Purchase?

4. SQ Carburetor Cleaner, 12 pack, 12.5 Oz per bottle

SQ Carburetor Cleaner, 12 pack, 12.5 Oz per bottle

Rev up your lawn mowers with SQ Carburetor Cleaner. This 12 pack includes 12.5 oz bottles for easy handling.

It clears carburetors and chokes without chlorine. No residue stays behind after cleaning. Starts engines in two-stroke machines fast.

Made in the USA fully. Not sold in CA, CT, DE, MD, NH, RI, or parts of UT.

Pros Cons
  • Blast away carburetor gunk without chlorine.
  • Leaves no messy residue behind.
  • Kicks engines into perfect start.
  • Great for lawn mowers and two-stroke tools.
  • Proudly made in the USA.
  • Highly flammable – watch for fire hazards!
  • Not sold in some U.S. stateslimits access.
  • Quick to evaporate – may need repeat use.

Perfect For:

This product is perfect for people who own lawn mowers or two-stroke engines. It helps clean and start your engine with ease.

Ready to Purchase?

5. CRC Clean-R-Carb Carburetor Cleaner 05079 – 12 Wt Oz., Powerful Carb Cleaner

CRC Clean-R-Carb Carburetor Cleaner 05079 - 12 Wt Oz., Powerful Carb Cleaner

Keep your engine running smoothly with CRC Clean-R-Carb Carburetor Cleaner. This cleaner is a great way to keep your carburetor in top shape.

A dirty carburetor causes problems. Clean-R-Carb removes gum, sludge, and varnish. This helps your engine run better.

This powerful formula works on many parts. Use it on chokes, valves, and more. It comes in a convenient 12 oz can.

Pros Cons
  • Easily removes gum, sludge, and varnish.
  • Restores carburetor performance fast.
  • Fixes overheating and power loss issues.
  • Works on chokes, valves, and parts.
  • Comes in a handy 12-oz can.
  • Aerosol can may not be environmentally friendly.
  • Limited use for specific carburetor types.
  • May require multiple applications for tough build-up.

Perfect For:

This powerful carb cleaner is perfect for boat owners, mechanics, and anyone who fixes motorcycles, cars, or heavy-duty engines. It helps DIY enthusiasts and professional technicians easily remove tough dirt from carburetors to keep machines running well.

Ready to Purchase?

6. SOKOSEY Carburetor Cleaning Kit, Carbon Dirt Jet Remove Cleaner, 26 Cleaning Wires Set, 20 Cleaning Needles 10Nylon Brushes 2 Sharp Pick, For Motorcycle ATV Moped Welder Carb

SOKOSEY Carburetor Cleaning Kit, Carbon Dirt Jet Remove Cleaner, 26 Cleaning Wires Set, 20 Cleaning Needles 10Nylon Brushes 2 Sharp Pick, For Motorcycle ATV Moped Welder Carb

SOKOSEY Carburetor Cleaning Kit clears tough carbon dirt and deposits from jets and passages. It has 26 cleaning wires, 20 needles, 10 brushes, and 2 sharp picks in many sizes. Made of stainless steel and nylon, it’s rust-proof and strong.

Clean your motorcycle, ATV, or moped carburetor with ease. This kit fits non-universal engines for deep, thorough cleaning.

Pros Cons
  • Complete set for all your cleaning needs!
  • Flexible brush sizes fit tight spaces easily.
  • Durable materials ensure long-lasting use.
  • Convenient storage with detachable key ring.
  • Perfect for motorcycles, ATVs, and more!
  • Limited use: Only works on specific carburetor types.
  • Small parts: Tiny tools can be easy to lose.
  • Might scratch: Sharp picks could damage delicate parts.

Perfect For:

This kit is perfect for motorcycle owners and DIY mechanics who want to clean carburetors in bikes, ATVs, and mopeds. It’s also ideal for welders who need to clear dirt from jets and passages.

Ready to Purchase?

7. SQ Carburetor Cleaner, 24 pack, 12.5 OZ per can

SQ Carburetor Cleaner, 24 pack, 12.5 OZ per can

This SQ Carburetor Cleaner is a non-chlorinated way to clean carburetors and chokes. It comes in a 24 pack with 12.5 OZ per can.

It is highly flammable. It leaves no residue. It works great for starting lawn mower and two-stroke engines.

Do not use it in CA, CT, DE, MD, NH, RI or parts of UT. It is Made in the USA. Keep it away from heat.

Pros Cons
  • Non-chlorinated formula for a safer clean.
  • Leaves no residue – perfect for engine performance.
  • Highly flammable for quick ignition in engines.
  • Made in the USA for quality you can trust.
  • Great for lawn mowers and two-stroke engines!
  • Highly flammable – watch out for fire hazards.
  • Not for sale in several states – check availability first.

Perfect For:

Got a carburetor that’s gunked up? Need a quick engine start? This SQ Carburetor Cleaner is for you!

Ready to Purchase?

8. Motfittings Carburetor Cleaning Kit, 13 Wires + 10 Needles + 5 Brushes + 1 Pick, Premium Torch Tip Cleaner, Carbons Dirt Jet Remove, Suitable for Auto, Motorcycles, ATV, Welder, Lawn Equipment

Motfittings Carburetor Cleaning Kit, 13 Wires + 10 Needles + 5 Brushes + 1 Pick, Premium Torch Tip Cleaner, Carbons Dirt Jet Remove, Suitable for Auto, Motorcycles, ATV, Welder, Lawn Equipment

Tired of a dirty carburetor? The Motfittings Carburetor Cleaning Kit is here to help! This kit has everything you need to get the job done.

It includes 13 wires, 10 needles, 5 brushes, and 1 pick. The kit is made of strong materials. It is also easy to use and portable.

Pros Cons
  • Saves time with right tools for small spaces
  • High-quality materials: stainless steel and nylon
  • Multiple diameters fit all sizes of carburetors
  • Portable case with easy storage
  • Needles might bend easily during tough jobs.
  • Case feels a bit flimsy for heavy use.
  • Limited sizes for some tools.

Perfect For:

This carburetor cleaning kit is perfect for DIY auto buffs who want to save time and clean hard-to-reach spots in cars, motorcycles, and ATVs. It’s also ideal for welders and folks maintaining lawn equipment without getting their hands dirty.

Ready to Purchase?

9. Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner – 15 oz., (Pack of 12)

Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner - 15 oz., (Pack of 12)

Keep your engine running smoothly with Berryman B-12 Chemtool. It cleans your fuel system fast. Get better performance today!

This fuel treatment removes harmful residues. It helps your engine last longer and work better.

Pros Cons
  • Banishes moisture and dissolves gum fast.
  • Cleans entire fuel system thoroughly.
  • Boosts compression and engine life.
  • Lowers repair costs dramatically.
  • Safe for catalytic converters and sensors.
  • Not for diesel engines only gas.
  • Strong chemical smell lingers.
  • Must follow directions exactly.

Perfect For:

This product is perfect for car owners who want to keep their engines clean and running well, avoiding big repair bills.
It’s also great for mechanics who need a safe way to clean fuel systems fast.

Ready to Purchase?

10. Holley Carburetor and Throttle Body Cleaner Spray, 18 oz Can – Removes Dirt, Gum, and Carbon Buildup Deposits, Degreaser – Including Carb Linkages, Plates, and Valves

Holley Carburetor and Throttle Body Cleaner Spray, 18 oz Can - Removes Dirt, Gum, and Carbon Buildup Deposits, Degreaser - Including Carb Linkages, Plates, and Valves

Keep your engine running smoothly with Holley Carburetor and Throttle Body Cleaner. It removes nasty buildup from important parts. This cleaner helps your engine perform at its best.

This easy-to-use spray is safe for your engine’s sensors. It’s also environmentally friendly.

Pros Cons
  • Removes dirt, gum, and carbon from engines easily.
  • Dissolves grease without needing to dismantle parts.
  • Restores smooth engine starts and idling quickly.
  • Safely cleans oxygen sensors and electronics.
  • Eco-friendly formula works in all states.
  • Strong odor lingers after use.
  • Flammable spray poses fire risk near heat.
  • Needs protective gear to avoid skin contact.

Perfect For:

This Holley Carburetor and Throttle Body Cleaner is perfect for anyone with a car. It helps keep your engine running smoothly.

Ready to Purchase?

Buying Guide

Carburetors get dirty over time. A good cleaner fixes this fast.

One user cleaned his old mower with Gumout spray and it started easy after one try. He saved on fuel and felt good about fixing it himself. Another person used SQ cleaner on his ATV carb. It cleared everything without leaving mess. Now his rides feel smooth and fun.

Product Type: Choose from spray cans for quick outside use or liquid bottles for soaking parts. Sprays work fast on hard-to-reach spots. Both types clean carburetors well.

Brand Reputation: Look for brands like Gumout, SQ, CRC, and Berryman with good reviews. These brands make strong cleaners that users trust. They help engines run better for years.

Cleaning Power: Pick a cleaner that removes gum, varnish, and dirt deep inside. Strong formulas clear clogs in carbs and chokes. This makes engines start fast and run smooth.

Residue and Drying: Go for cleaners that dry fast and leave no residue. This keeps parts clean without new buildup. It also saves time on rewashing.

Size and Packaging: Check the size like 12 oz or 14 oz cans for your needs. Packs of 6 or 12 save money for frequent use. Easy spray nozzles make jobs simple.

Safety and Usage: Use cleaners that are non-chlorinated and safe for most states. Avoid flames near them since they are flammable. Follow steps to protect your skin and eyes.

Price: Buy based on value like bulk packs for less per can. Gumout packs offer good deals. Cheaper options work if they clean as well.

Compatibility: Match the cleaner to your engine like cars, mowers, or ATVs. Kits with tools add help for small parts. Test for fit on your carb type.