50 :1
1988
The spark plugs on a 1988 model, 70hp Johnson outboard, should be gapped to .030in.
23 years old made in 1988
The fuel to oil ratio for a 1988 model, 8hp Johnson outboard, would be 50:1, six gallons of fuel, to one pint of two cycle oil.
An 8 hp Johnson outboard, model number J8RCCS, would be a 1988 year model.
Johnson model number J10RCCD, is a 1988 year model, 9.9 hp outboard.
50:1 i have a 1988 johnson 88 spl thats what i run and it runs sweet
To determine the year of your Johnson 20hp outboard with model number FD-20C and serial number J2604167, you can refer to the Johnson outboard motor's serial number guide, which typically indicates that the first digit of the serial number represents the year of manufacture. In this case, "J" typically corresponds to 1988. Therefore, your outboard motor is likely from the year 1988.
Model number J20ELCCA is a 20 hp Johnson outboard, electric start, long shaft, 1988 model, outboard engine.
0.035 is the gap size
Evinrude did not produce the 115 hp outboard in 1989. They did however, resume production of the 115 in 1990, weighing in at 335 lbs.
The 1988 Johnson 9.9 outboard model with the serial number J10RCCD is indeed a short shaft model. Typically, short shaft outboards have a shaft length of about 15 inches, while long shaft models are around 20 inches. You can confirm this by measuring the distance from the mounting bracket to the anti-cavitation plate.