87' P218: 1,900 hours.
Main question: Did my new (as of a month ago) ignition coil go bad? Coil reads '3.6 ohms' on the primary side and I get no reading on the secondary, just 0. I get the exact same readings on the old coil. I am good with my hands, but not well-versed in electricity and using a multi-meter.
REFERENCE: https://www.wfmachines.com/forums/showthread.php/10757-Ignition-coil-test-for-316
Hi everyone. This site has been a great help from afar, but decided to join after weeks of lurking. After putting much work into my girlfriends 318, which she inherited from her father (RIP) a couple of year ago, it's on the fritz again. Initial problem was click-click-click on start-up, running rough and stalling when hot.. and eventually not restarting after cool-down.
Over the past couple of months I've put many hours into it. The fuel system, every facet of it, every nook and cranny, is either new or cleaned (carb/pump/tank) like a baby's bottom. New Welsh plug for carb, new carb gaskets, resealed the manifold itself, new exhaust and manifold gaskets, valves adjusted to spec, new plugs and wires, ignition coil, ignition switch, pos battery cable. There's probably more, but I can't think of everything now.
After I did all that, I got it running better than it was, and it stopped stalling. However, no matter how many hours I spent trying to dial-in the idle (fiddling with the air and idle-speed screws, as well as the governor arm linkage and it's endless set-up options) it was never quite right across the full range. At WOT the governor would "hunt" and the engine surge and bog, mostly up-hill). If I ran it at 1/2- 2/3 throttle it ran consistently and cut good. So for the time being that's how I ran it.
My girlfriend has about 2-2.5 acres to mow. I've mowed it for her three times (8+ hours) now since I "fixed" it, with no problem as long as I kept the throttle in-check. Rewind to last Sunday and right after I finished up mowing and was heading back to the garage it stalled. Wouldn't start up. Let it sit over night, nope. It cranks but that's it. Not a fuel issue, pouring fuel in the carb does nothing. The problem is on the ignition end. If not the coil, I suspect it might be the Module behind the flywheel, but one thing at a time.
Thanks for any help and advice.
Main question: Did my new (as of a month ago) ignition coil go bad? Coil reads '3.6 ohms' on the primary side and I get no reading on the secondary, just 0. I get the exact same readings on the old coil. I am good with my hands, but not well-versed in electricity and using a multi-meter.
REFERENCE: https://www.wfmachines.com/forums/showthread.php/10757-Ignition-coil-test-for-316
Hi everyone. This site has been a great help from afar, but decided to join after weeks of lurking. After putting much work into my girlfriends 318, which she inherited from her father (RIP) a couple of year ago, it's on the fritz again. Initial problem was click-click-click on start-up, running rough and stalling when hot.. and eventually not restarting after cool-down.
Over the past couple of months I've put many hours into it. The fuel system, every facet of it, every nook and cranny, is either new or cleaned (carb/pump/tank) like a baby's bottom. New Welsh plug for carb, new carb gaskets, resealed the manifold itself, new exhaust and manifold gaskets, valves adjusted to spec, new plugs and wires, ignition coil, ignition switch, pos battery cable. There's probably more, but I can't think of everything now.
After I did all that, I got it running better than it was, and it stopped stalling. However, no matter how many hours I spent trying to dial-in the idle (fiddling with the air and idle-speed screws, as well as the governor arm linkage and it's endless set-up options) it was never quite right across the full range. At WOT the governor would "hunt" and the engine surge and bog, mostly up-hill). If I ran it at 1/2- 2/3 throttle it ran consistently and cut good. So for the time being that's how I ran it.
My girlfriend has about 2-2.5 acres to mow. I've mowed it for her three times (8+ hours) now since I "fixed" it, with no problem as long as I kept the throttle in-check. Rewind to last Sunday and right after I finished up mowing and was heading back to the garage it stalled. Wouldn't start up. Let it sit over night, nope. It cranks but that's it. Not a fuel issue, pouring fuel in the carb does nothing. The problem is on the ignition end. If not the coil, I suspect it might be the Module behind the flywheel, but one thing at a time.
Thanks for any help and advice.
