WebMay 19, 2015 · Chrysler outboard motors Evinrude outboard motors Force outboard motors Honda outboard motors Johnson outboard motors Mariner outboard motors ... but run with a timing light hooked up to see how spark behaves when motor falters.-----Oil pressure has been looked into ? Last edited: Apr 28, 2015. Reply. K. karmadog62 New member. WebEvinrude 9.9 outboards manufactured between 1974 and 1979 have a five-digit model number. The first two numbers are 1 and 0. The third number corresponds with the manufacture year. The final two numbers are 24, 25, 54, 55 or 35. An eight- to ten-character model number indicates that the Evinrude 9.9 outboard was manufactured in 1980 or later.
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WebSep 15, 2013 · I run an older OMC 90hp with oil injection. Also have a older OMC 9.9 kicker (mixed gas). Every now and then Amzoil is mentioned in posts. Questions: 1. Can I run a full synthetic on these motors? Pro’s – Con’s? 2. Will the oil injection on the 90hp be consistent if I replace 2 cycle oil with synthetic? 3. WebI used Evinrude Johnson HPF PRO gearcase lu... In this video, I show you how to change the lower unit gearcase oil on an Evinrude 9.9 horsepower outboard motor. history of mansfield illinois
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WebSep 8, 2009 · Mix the oil at 50:1. Some manufacturers recommended 100:1 for a few years then went back to 50:1. You are right about wearing out a motor fast at 100:1. Amsoil … WebI was advised to (1)stay away from the "cheapie" gas as found at the local convenience store and only use a "name brand" gas such as Chevron, Texaco etc.;(2) use 89 octane only; (3)use only Mercury Premium Plus 2-Cycle Outboard Oil for the 50:1 mixture and (4) always add OMC 2+4 Fuel Conditioner in the appropriate proportions to the fuel tank ... WebAug 31, 2006 · RE: Old Evinrude Oil Mixture I have a 1977 70hp Evinrude OB and I use the 16oz bottle of Evinrude oil to 6 gallons of gas. That equals out to about 48:1 and go on … history of management by objectives