A little history:
Motor had been sitting for 3-5 years when I got it. I cleaned out the carb, threw in new spark plugs and it would hit and run but only for a couple of seconds at a time. So I figured it needed the points checked and maybe new coils or wires. Well I completely disassembled the engine (even the rings off the pistons to clean the carbon off). I replaced every gasket, the points, the coils, the wires, the water impeller and every seal in the lower unit. I also replaced all the fuel lines, the o-rings in the fuel connector and the diaphram and gaskets in the fuel tank.
I mixed up 2 gallons of gas with 1/2 quart of 2 cycle marine oil and even cleaned the carb again. It ran like crap and so I drained the gas and mixed up 2 gallons of gas with 1/2 quart of straight 30w non detergent oil and put in another set of fresh plugs (they were covered in oil). It runs much much better and will rev up quick and has a lot of rpm. However, it will not idle down very low at all. If I turn the handle to the start position it will idle for a couple of seconds then stumble and die. If I turn it back to the shift or slow position it dies immediately. I'm wondering if it has something to do with the timing plate. It seems to me it has some slop in it. Here's a link to video showing what I'm talking about it.
http://www.youtube.com/watch?v=ylZ41EeQqrQ
Forgot to mention originally that the engine has 75ish psi compression in both cylinders.
Motor had been sitting for 3-5 years when I got it. I cleaned out the carb, threw in new spark plugs and it would hit and run but only for a couple of seconds at a time. So I figured it needed the points checked and maybe new coils or wires. Well I completely disassembled the engine (even the rings off the pistons to clean the carbon off). I replaced every gasket, the points, the coils, the wires, the water impeller and every seal in the lower unit. I also replaced all the fuel lines, the o-rings in the fuel connector and the diaphram and gaskets in the fuel tank.
I mixed up 2 gallons of gas with 1/2 quart of 2 cycle marine oil and even cleaned the carb again. It ran like crap and so I drained the gas and mixed up 2 gallons of gas with 1/2 quart of straight 30w non detergent oil and put in another set of fresh plugs (they were covered in oil). It runs much much better and will rev up quick and has a lot of rpm. However, it will not idle down very low at all. If I turn the handle to the start position it will idle for a couple of seconds then stumble and die. If I turn it back to the shift or slow position it dies immediately. I'm wondering if it has something to do with the timing plate. It seems to me it has some slop in it. Here's a link to video showing what I'm talking about it.
http://www.youtube.com/watch?v=ylZ41EeQqrQ
Forgot to mention originally that the engine has 75ish psi compression in both cylinders.