MotorKote UCL Upper Cylinder Lubricant with Fuel Injector Cleaner 64 oz
MK-10203-06
MOTORKOTE Upper Cylinder was formulated to bring additional upper cylinder lubrication and to clean fuel injectors and prevent deposits from forming.
Compatible in both fuel and diesel engines and more concentrated fuel cleaning capability than the brand leader.
BENEFITS
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Increases Horsepower
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Removes Valve Stem Gum
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Reduces carbon build up the cause of: Pre-ignition, power loss, burned valves, broken rings
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Restores Power and engine performance
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Increases fuel efficiency
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Cleans injectors to Reduce: Power loss, hesitations, pinging/dieseling, loss of fuel economy
MOTORKOTE Upper Cylinder Lubricant & Fuel Injector Cleaner, is safe for use in all catalytic converters, carburetors, and fuel injection systems and will not void warranties.
RECOMMENDED USAGE:
Add full 5 ounces to 25 Gallon Fuel Tank every fill-up, maintain the ratio of 1 ounce per 5 Gal of fuel (Gas or Diesel).
Can be used with MotorKote Fuel Optimizer or MotorKote Low Sulfur Lube in Diesel engines, alternate products between fill-ups.
Warnings:
Proposition 65 Warning for California Consumers:
⚠️WARNING: This product can expose you to chemicals including Cumene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Customer Reviews

MotorKote Fuel Optimizer Gas Diesel Fuel Treatment 55 gallon drum
55 gal MotorKote Fuel Optimizer
MotorKote® Fuel Optimizer® was formulated to off-set the diminishing quality of fuel and remove harmful deposits that rob your injectors of power and performance. Helps your fuel burn CLEANER AND HOTTER for better fuel economy and performance.
Fuel quality from just a few years ago has deteriorated. The introduction of lower octane substitutes, increased ethanol and fuel falling out of solution has left drivers with an uneasy feeling at the pump. Most fuels are manufactured to “generally good performance in most cars”.
MotorKote® Fuel Optimizer® was formulated to off-set the diminishing quality of fuel and remove harmful deposits that rob your injectors of power and performance. Helps your fuel burn CLEANER AND HOTTER for better fuel economy and performance.
It goes in the fuel tank in both gas and diesel engines and cleans your fuel system.
Also an Excellent solution for marine equipment, motorcycles and all 2-4 stroke engines.
BENEFITS
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Helps fight and remove condensation, bacteria and algae in fuel tanks
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Raises octane
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Decreased Ignition Delay
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Reduces carbon build up the cause of: Pre-ignition, power loss, burned valves, broken rings
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Fights gelling and waxingAdds horsepower and torque
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Increases fuel efficiency
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Cleans injectors to Reduce: Power loss, hesitations, pinging/dieseling, loss of fuel economy
MOTORKOTE fuel optimizer is safe for use in all catalytic converters.
RECOMMENDED USAGE:
Add 1 oz per 10 gal of gasoline every 3rd to 4th fill-up on most passenger vehicles. Larger (Diesel) engines use same amount every fill-up. 2 oz. per gal of fuel prior to storing equipment or fuel tanks for season. 2 Stroke mixtures add 1 oz of Fuel Optimizer following 2 stroke & Fuel mix.
Can be used with MotorKote Low Sulfur Lube in Diesel engines, alternate products between fill-ups.
Warnings:
Proposition 65 Warning for California Consumers:
⚠️WARNING: This product can expose you to chemicals including Benzene, Ethylbenzene, Naphthalene which are known to the State of California to cause cancer and Toluene which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
