50to1
50:1
1977 50:1
The Johnson outboard motor model number CD-20C with serial number C377158 was manufactured in 1977. Johnson outboards typically use a coding system where the first letter indicates the year, and in this case, 'C' corresponds to 1977.
Champion L77-JC4 plug set to .030in.
The 1977 model, 85 hp Johnson outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
The fuel to oil ratio for a 1977 model, 115 hp Johnson outboard, would be 50:1, roughly one pint of 2 cycle oil, to six gallons of fuel.
A 1977 Johnson 175 hp outboard motor typically weighs around 400 pounds (approximately 181 kg). This weight can vary slightly based on specific model variations and configurations. It's always a good idea to consult the manufacturer's specifications for the exact weight of a particular unit.
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The Johnson outboard motor with the serial number G7016238 was manufactured in 1977. Johnson's serial numbers typically indicate the year of production, with the first letter representing the decade and the following digits specifying the year within that decade. In this case, the "G" indicates the 1970s, and the number "7" indicates the specific year, which is 1977.
On a 1977 Johnson 65 HP outboard motor, the flywheel typically spins in a clockwise direction when viewed from the top. This rotation is standard for most outboard motors, allowing the engine to operate efficiently. Always refer to the specific service manual for detailed information on your motor's operation.
The 1977 model, 70 hp Evinrude outboard requires an NGK BZ7HS-10, or a Champion QL77JC4 Plug gapped to .030 in.