The Best Motorcycle Oils & Fluids 2025

1. Powerbuilt 22 Piece Cooling System Pressure Test Set - 940427

Track down a troublesome coolant system leak fast with this specially designed Cooling System Pressure Testing Set. Simply select the correct adapter designed for your vehicle’s radiator/coolant bottle, attach the high-quality three-stage pressure gauge pump, then add pressure to the system until the leak is revealed. Coolant system servicing has never been easier. The set includes twenty-two coolant adapters designed to fit coolant necks and overflow tanks of the most popular makes and models of cars and trucks. The testing set comes in a rugged heavy-duty case that helps protect and organize for years of reliable use.

Product Description Powerbuilt by Alltrade Tools LLC is a global leader in the design, manufacturing and marketing of tools and shop equipment. Founded in 1979, the Long Beach, California based firm is privately held, with global manufacturing and sales facilities serving customers on every continent. The companys mission statement: Alltrade designs, markets and supplies tools and shop equipment that meet and exceed our customers expectations of quality, service and value, while achieving profits to ensure the Companys and its employees future growth and development. Alltrade offers our customers innovation, flexibility and speed to market. From the Manufacturer Each kit includes step-by-step usage instructions and photos showing the tool in use. Instruction sheets are laminated to resist staining and are permanently fastened to the case. All instructions are developed by a professional repair manual writer. Kit 70 tool set is for testing the cooling systems on most automotive and light truck applications. Designed for Testing a multitude of Cooling Systems (caps, radiators and resovoirs) Able to test 80% of all Trucks and Cars. he most extensive cooling system test kit on the market. Specific model application adapters and Universal Fit adapters included. Lifetime Warranty Designed for testing performance and integrity of cooling systems Works for most cars and light trucks Kit includes adapters to fit domestic, Japanese and European vehicles

2. STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264)

Great for use in Outdoor Power Equipment, ATVs, UTVs, performance cars, and collector cars/trucks, STA-BIL In Season Protection's advanced fuel system cleaner is designed to cleanse the entire fuel system, including injectors, fuel lines, and pumps, effectively removing water, gum, and varnish. Its unique formula not only enhances performance and longevity but also prevents corrosion, ensuring your fuel system continues to stay healthy. The fuel stabilizer component maintains the freshness of fuels in-season, safeguarding your fuel system and engine for immediate use whenever required, because gasoline does degrade faster than you think. Additionally, the MPG booster optimizes fuel performance, contributing to improved gas mileage and enhanced engine power by facilitating efficient combustion and prolonging engine life. For optimal results, simply pour 1 oz of the product into the fuel tank for every 5 gallons of fuel before filling up and run the engine for 5 minutes to ensure thorough treatment. For year-round protection, combine STA-BIL In-Season Protection with STA-BIL Storage, providing a comprehensive solution for both in-season operation and long-term storage, keeping your equipment in peak condition throughout the year.

STA-BIL America’s #1 Ethanol Treatment Prevents Corrosion Caused By Ethanol Blended Fuels Increases Engine Power and Fuel Efficiency Effective In All Gasoline, Including Ethanol and Non-Ethanol Engineered For Year Round Usage - Use At Every Fill-Up Keeps Fuel Fresh For Up To 12 Months Safe for a gasoline engines

3. Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz

Rislone® Engine Treatment Conditioner and Cleaner is high quality penetrating lubrication oil, combined with protective engine additives and special cleaning agents. Its multi-grade formula allows the oil to flow freely and provides protection over a broader temperature range. Sludge and other harmful deposits within engines can alter tolerances, stick rings, cause noisy valves & lifters, and plug oil passages and screens. The unique Rislone formula is designed to penetrate into bearing surfaces, piston rings and ring grooves, where sludge and varnish is likely to form. These deposits are gradually removed and held in suspension until they are trapped in the filter or removed with the next oil change. Regular use of Rislone Engine Treatment, with oil and filter changes at the proper intervals, will keep such deposits to a minimum. A cleaner engine is a better lubricated engine with less friction & wear. Vehicle Type: Universal. Part: 4102

Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz Reduces Friction & Wear Removes & Prevents Sludge Quiets Noisy Lifters Quiets Noisy Valves 1.1 lbs Vehicle Type: Universal Automotive Additive Type: High Mileage 1.1 lbs 1.9 x 7.6 x 3.4 inches

4. Dura Lube Severe Fuel System Cleaner Fuel Additive, Fights Ethanol in All Gasoline Vehicles 16oz

Dura Lube Severe Fuel System Cleaner is precisely formulated to clean the entire fuel delivery system, including fuel injectors, carburetors, valves, ports and intake manifolds. Dura Lube Severe Fuel System Cleaner also helps remove valve stem gum and fuel system deposits. A cleaner running engine helps improve fuel mileage. Dura Lube Severe Fuel System cleaner is compatible with all grades of gasoline fuel, including E-10, E-15 and E-85 Ethanol blends and all octane levels. It is not for use in diesel engines. Dura Lube Severe Fuel System Cleaner will not harm catalytic converters. Universal vehicle type

Dura Lube Severe Fuel System Cleaner: Precisely formulated to clean the entire fuel delivery system in all gasoline vehicle types. Helps remove valve stem gum Compatible with all grades of gasoline fuel, including E-10, E-15, and E-85 Ethanol blends Not for use in diesel engines Will not harm catalytic converters 16 fl oz bottle treats up to 42 gal of fuel For best results, use at least every 3000 miles Compatible with all gasoline fuel delivery systems—domestic and foreign Recommended for passenger cars, trucks, SUVs, vans, and vehicles requiring minimum octane ratings of 86 or higher.

5. Bar's Leaks 1000 Engine Repair Automotive Additive, 16.9 oz

Bar’s Leaks® High Mileage Engine Repair contains a combination of the best performance additives to repair the most common oil-related problems. Engine Repair restores lost compression and power, reduces noise and oil consumption, while improving the performance of worn cylinders, rings, bearings, and seals. For most vehicles, this is your last chance before paying an expensive repair bill or replacing the vehicle. Engine Repair can be used to top off the existing oil when low, or add a bottle when changing the oil and filter. Compatible with ALL types of engine oils, including petroleum, semi-synthetic, synthetic and high-mileage formulas. vehicle_type- Universal

Bar's Leaks 1000 High Mileage Engine Repair Automotive Additive, 16.9 oz Restores Performance Increases Compression and Horsepower Stops Leaks, Noise, and Smoking Friction Modifiers vehicle_type- Universal

6. Meguiar's Hot Shine Tire Foam, G13919, 19 oz, Aerosol

Clean, shine and protect your tires in one convenient and easy step. Meguiar's Hot Shine Tire Foam powers through buildup to reveal a deep black shine. The thick, active foam lifts and releases dirt and grease while creating a glossy black sheen. The easy-to-use foam clings to the rubber so it stays where you spray, then dissolves clear for less mess. With its water-resistant polymers and UV technology, this formula gives your tires a clean, shiny, well-maintained look for weeks on end.

SPRAY TIRE DRESSING: Cleans, shines, and protects in one easy step with hands-off application GLOSSY TIRE SHINE: Thick, active foam powers through buildup to reveal a deep, black shine EASY SPRAY FOAM: Convenient and easy-to-use foam that stays where you spray, then dissolves clear for less mess. Simply spray and walk away! UV PROTECTION: Conditioners and UV protection help keep tires looking like new LASTS FOR WEEKS: With water-resistant polymers, the shine last for weeks on end

7. Rislone 100-QR Engine Treatment and Additive, 32 oz

Rislone® Engine Treatment is high quality penetrating lubrication oil, combined with protective engine additives and special cleaning agents. Its multi-grade formula allows the oil to flow freely and provides protection over a broader temperature range. Sludge and other harmful deposits within engines can alter tolerances, stick rings, cause noisy valves & lifters, and plug oil passages and screens. The unique Rislone formula is designed to penetrate into bearing surfaces, piston rings and ring grooves, where sludge and varnish is likely to form. These deposits are gradually removed and held in suspension until they are trapped in the filter or removed with the next oil change. Regular use of Rislone Engine Treatment, with oil and filter changes at the proper intervals, will keep such deposits to a minimum. A cleaner engine is a better lubricated engine with less friction & wear.

Rislone Engine Treatment Reduces Friction & Wear Removes & Prevents Sludge Quiets Noisy Lifters Quiets Noisy Valves

8. Pj1 New Competition Fork Oil, 57-0220

Brand new, Pj1 Competition Fork Oil. High Viscosity Index formula far exceeds all OEM specifications Will not fade or be affectedin hot or cold conditions Accommodates different rider weights Contains anti foam, anti wear agents Additives maximize fork seal performance SKU# 57-0220 Fits: Please verify your own fitment before purchase.

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9. Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz

Rislone® High Mileage Ring Seal® Smoke Repair is formulated to help stop blue exhaust smoke, reduce oil burning and prevent plug fouling caused from “blow-by”. Blow-by is usually caused by gaps in internal engine parts resulting from excess wear. Ring Seal contains high-shear polymers which provide a seal for worn pistons and rings to stop blow-by. High mileage formula is specifically designed for older higher mileage engines. Viscosity improver cushions and coats engine parts helping to reduce wear and quiet noisy engines. All weather formula retains oil flow characteristic in hot and cold weather. 1 lb 2x7.6x3.4in. Vehicle Type- Universal

Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz Stops Blue Exhaust Smoke Reduces Oil Burning Seals Worn Pistons & Rings High-Mileage Formula 1 lb 2x7.6x3.4in Vehicle Type- Universal

10. PJ1 7-50 2-Stroke Injector Premix Oil - Scooter - 1L.

Specially formulated for injector applications. Competition grade semi-synthetic blend. Great for competitive use or sport riding. Keeps reed valves free of residue and operating at their peak performance. Offers professional level protection at a competitive price.

Specially formulated for injector applications Competition grade semi-synthetic blend Great for competitive use or sport riding Keeps reed valves free of residue and operating at their peak performance Offers professional level protection at a competitive price