According to the owner's manual the battery requirement for the F70 4stroke is:
Minimum cold cranking amps (CCA/SAE): 380.0
A Minimum marine cranking amps (MCA/ABYC): 502.0
A Minimum reserve capacity (RC/SAE): 124 minutes
I don't know what the reserve capacity figure means.
If not using oil injection, the 115 hp Yamaha outboard will require a 50:1 ratio.
optima red top very good battery for starting but pricey
The dry weight of an 85hp Yamaha outboard is 245lbs.
how to set a trim tab on a 90 hp yamaha outboard
The magneto point gap on a 2hp Yamaha outboard is 0.35mm, or 0.014".
You can find information about Yamaha Outboard Motors online at the official website of Yamaha Outboards, Yamaha Motor Canada, Yamaha Motor Europe and Wikipedia.
There are quite a few websites where one can purchase Yamaha outboards. They include Yamaha Outboards Online, Yamaha Outboards, Yamaha Outboard Motor Part, and Eric's Outboard.
The dry weight of a 1991 model, 130 hp Yamaha outboard is 357lbs.
how do you adjust timing on a 50 hp 1985 Yamaha outboard motor
The dry weight of a 1987 model, 15 hp Yamaha outboard is 85 lbs.
You can purchase a Yamaha outboard motor online at www.ebay.com. Also if you have a Yamaha distributorner you,it is possible they carry used motors
1997