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1 maj 2019 · Rig up a spark tester on the #1 cylinder plug wire. Hook up the timing light to the #1 plug wire. Crank the engine over and set the spark advance to 4° less than what the engine calls for. It's a good idea to ground the other plug wires to avoid sparks that could ignite fuel that may shoot out of the plug holes.
In this video we look at how to set timing on an outboard motor using a timing light. We'll look at using timing marks, top dead center and the light to get good ignition timing at idle.
5 wrz 2022 · I disconnected the throttle from the ignition timing and set the timing a maximum spark advance. While doing that I noticed the RPM rising from 800 RPM to 1400 RPM. No problem, since the advancement shift only seemed to occur at high RPM.
29 cze 2010 · All of the manuals that I've seen always shows the "Static" timing for a 1987 125HP to be 30. Dynamic (motor running full throttle) timing is 32 degrees. I suspect the manual that you downloaded is wrong.
View and Download Mercury 125 operation and maintenance manual online. 125 outboard motor pdf manual download. Also for: 90, 75, 115.
We offer 2 options to download your Outboard Manual. 1. Table of Contents - All out archived manuals allow you to download this in pdf. 2. Download Full Manual - Some
Place lubricant tube into the fill hole and add lubricant until it appears at the vent hole. ob00498 Vent plug Fill/drain plug Lubricant at vent hole IMPORTANT: Replace sealing washers if damaged. 4. Stop adding lubricant. Install the vent plug and sealing washer before removing the lubricant tube. View and Download Mercury Outboard Motor user ...
