Diagnose and treat sick engines
Slow startup problem. First, make sure your startup battery is not exhausted. Then, check whether the flameout switch is in working condition. I think the fire switch may have been slightly rusted after a winter of storage. outboard engine In general, rusted electrical connectors are a common problem. When you find a wire terminal that is green and has a hard-skinned shell, it is time to clean or replace it. The next step is to check the connection between the battery cable and the cylinder, as well as the electromagnetic starter and fuse plate. It may also be that the fuse is broken. Do a rough check on the other wires on the ship. Finally, please don't make one of the most common mistakes-forget to open the vent on the fuel tank.
Unsteady when idling
When the engine is idling, slightly turn the low-speed jet screw on each carburetor. Shake off the debris. Consult the service manual to find the location and factory settings of the jet screw. If it still doesn't work, maybe the problem is with the igniter. It seems that the spark plug needs to be cleaned or replaced. When I start the engine, I always check to make sure that there is a stream of cooling water draining from the back. If there is no such water flow, shut down the engine immediately before it overheats.
Crash during rotation
Sometimes, the seemingly idling engine on the deck will suddenly rush forward or crash suddenly when you control the mid-speed speed. When the engine turns to the problem block area, ask an angler to help squeeze the starter oiler several times. If this supplementary fuel injection can make the engine speed uniform, it means that you are only encountering fuel transmission problems. This is probably a simple fuel filter clogging problem, which is easy to fix.
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