Evinrude 775629 carbon gurd Fuel Additive 12 oz. Bottle.

Carbon Guard is a gasoline additive formulated to minimize deposit build-up in 2-cycle and 4-cycle marine engines when used as directed. Carbon guard will provide:

1. Reduced possibility of piston ring sticking
2. Reduced carbon build up on 4-cycle valves
3. Better overall engine performance
4. Increased engine life

For 2-cycle Engines - Add 1 oz. of Carbon Guard for every 8 gallons of gasoline.

For 4-cycle Engines - Add 1 oz of Carbon Guard for every 16 gallons of gasoline.

Note: Engine with an excess of 100hrs of operation and not previously treated with Carbon Guard should be treated with Evinrude Johnson Engine Tuner before beginning us of Carbon Guard.