Tractor starts and flying wheel turns but we're not getting fire to spark plug. Ignition coil was replaced and we're still having the same issue. We just ordered an ignition module to see if it corrects the problem. Any suggestions?? Model is GX95
You may not be getting electricity from the battery. you can check this but it is kind of dangerous. you stick a metal object in the spark plug cap and hold onto the other end. crank it over just a little bit and if you get a small shock then it works. you may just need a new spark plug.
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Check coil pic up or the electrical pick up in the pull string housing. Remove that and u will see the fly wheel next to that is the electrical pick up .look at fly wheel make sure magnets are clean surface ,they are in the fly wheel itself.after that remove coil and clean surface that faces fly wheel. Using a match book cover place it between fly wheel and coil ,make sure it moves but not falls out snug ,tighten coil screws and remove match book cover. If it dose it again re place coil look for small engine shop in your area and the can help get u a new one .weak spark means coil,sparkplug
Bit late here, but I love Datsuns! First check if you are getting power to coil on the + side of coil. Pretty much a straight path from ignition switch to coil. Then pull off coil to distributor cable at the distributor and check for spark on that wire when cranking engine over. If good, rotor, distributor cap, plug wires, or sparkplugs need checked. If no spark from coil, it should be tested with an ohmmeter for proper resistance values, or swap in another coil. Does it have mechanical points and condenser or electronic ignition?
At this age, the engine will have points under the flywheel. If the coil is OUTSIDE the flywheel, forget fixing it and just replace the coil with a later solid state unit, then cut the points wire.
If the coil is UNDER the flywheel with the points, you'll have to stick with them, but replace them AND the condenser. These parts (and replacement coils) are still available, but decide quickly - Tecumseh have gone, and when all these old parts are used up, that's it.
just trace the spark plug wire to the coil but you can check the spark by putting a new plug in the wire and make sure it is grounded and turn the engine over if you have spark then you have to pull the fly wheel off and check the fly wheel key
If this is a solid state ignition ( black box mounted right next to the fly wheel)check for rust on fly wheel and coil/ignition.Sand with light grit sand paper if nessesary. Make sure to reistall with the same gap between the two parts.note the gap at this point could also be wrong.Also check to see if the clip inside the boot where the spark plug conects is not bent and that it is conecting properly.
If this is a points ignition system then its basicaly the same steps.Clean contact pionts check plug boot for good contact.
Or could be bad coil.Be sure you are using a plug with the propor heat range.
Check your spark plugs and wires yourself. Remove one sparkplug at a time from the engine block, plug the wire back on, place the sparkplug on the engine or vehicle body so that the outer thread of the sparkplug would touch the body, or engine (GND) you can secure it with a cellotape or so. Turn the ignition key to the START position and when starter is spinning wach for high voltage sparks appearing between the body,engine or gasket and the tiny black end of the sparkplug called electrode. If there's a sparks, than it's fine, othervise try to get one working sparkplug and to retest this. If now it works then your sparkplugs needs to be replaced. Othervise check the resistance of the high voltage coil primary windings. this should be something between 0.2 and 10 ohms, when coil is disconnected from vehicles wiring. I just do nts remember the exact figure. If multimeter doesn't show anything, replace the coil, otherwise check if the supply current is flowing to the coil plug when IGN is ON. If it's fine then check the COM line at the same plug, using analog muldimeter is the easiest and not harmfull way to do this. If COM isn't comming You might need to go deeper into ECU, or even to replace it. If COM is fine then it would identfy that coil itself is faulty.