Cerma STM-3 Treatments | Dosage & Application Procedures

Cerma STM-3 Engine Treatments

Dosage Amounts and Directions

To select the approximate dosage of Cerma STM-3, please refer to directions below. If you have any questions about the dosage or application procedure, please call the Cerma support line at (239)344-9861.

Dosage - How Much Should I Use?

Newer vehicles require a smaller dosage. Please make note of how many miles are on your vehicle and adjust the dosage appropriately. After adding Cerma STM-3 Engine Treatment to the motor oil, autos should be driven for a minimum of 1500, trucks and semi trucks for a minimum of 3000, and motorcycles a minimum of 500 miles before changing out motor oil. This allows for the Cerma Engine Treatment to achieve its full cleaning capabilities.

Dosage Adjustment (Cerma STM-3 Engine Treatment)

Vehicle Mileage Automobiles 4-6 Cylinder Miles for Trucks 6+ Cylinder Miles for Semi Trucks 10+ Cylinder Miles for Motorcycle
Use Full (100%) of recommended dosage 10,000 to 50,000 15,000 to 50,000 150,000 to 400,000 15,000 to 50,000
Use 3/4 (75%) of recommended dosage New under 10,000 New under 15,000 New under 150,000 New under 15,000

Recommended Dosage by Engine Type

Engine Type Dosage
Gasoline, 4 to 6 cylinders (automobile) 3 oz - Cerma Engine Treatment for Gasoline Engines
Small Diesel, 1 to 2.0 liters (automobile) 3 oz - Cerma Engine Treatment for Diesel Engines
Small Diesel, 3 to 4.0 liters (automobile) 5 oz - Cerma Engine Treatment for Diesel Engines
Medium Diesel, 5 to 7.3 liters (pick-up truck) 8 oz - Cerma Engine Treatment for Diesel Engines
Medium Diesel, 7.3 to 10 liters (pick-up truck) 10 oz - Cerma Engine Treatment for Diesel Engines
Large Diesel, 10 to 15 liters (semi-truck) 12 oz - Cerma Engine Treatment for Diesel Engines
Large Diesel, 15+ liters (semi-truck or vessel) Call or Email for custom dosage: (866) 94-CERMA
Motorcycles, less than 400 cc with 1 oil reservoir 1 oz in engine oil - Cerma Engine Treatment for Motorcycles
Motorcycles, more than 400 cc with 1 oil reservoir 1-1/4 oz in engine oil - Cerma Engine Treatment for Motorcycles
Motorcycles, less than 400 cc with 2 oil reservoirs 3/4 oz engine oil, 1/4 oz in clutch - Cerma Engine Treatment for Motorcycles
Motorcycles, more than 400 cc with 2 oil reservoirs 1 oz engine oil, 1/4 oz in clutch - Cerma Engine Treatment for Motorcycles

* Also applies to commercial and industrial equipment of same engine capacity and fuel type - Call Cerma with questions.

Application Procedure

  1. Warm engine to normal operating temperature and add recommended dosage to ENGINE OIL. Add Cerma STM-3 Engine Treatment while the engine is running. DO NOT add to your fuel tank. If blow-by or pressurized oil system is present, shut off engine, add dosage amount, close cap and immediately restart engine. (More is Not Better - Use Only Recommended Dose)
  2. Keep engine running and immediately after treatment is added, bring engine up to 1500 to 2000 rpm and hold for 2 to 4 minutes. This will ensure that Cerma STM-3 Engine Treatment circula