This gen has a oil level sensor that will short the "primary" of the
ignition coil as well as a spark enhancer that is called a CDI unit but
the drawing does not show a Capacitor in or near it? I hope this helps
Where did you get your replacement coil Colin?
New coil and spark does not equal you must have spark,, have you check your spark plug, and have you check your condensor is properly working. There is a point where you need to see, make sure the contact point is appropriate or else it won't fire
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Check the switch on /off is not faulty try taking the wire off the switch that goes to the motor mine had that problem (lot of dodgy switches fitted to them ,make sure the choke is closing on fully.check spark plug not fouled up with carbon.
There could be an issue with the oil sending unit, spark plug boot or faulty on/off switch. Easy tests. Always use a new plug for testing. Unplug the oil sending unit wire and retest for spark. If spark may need to change the oil or low oil. If still no spark, leave the sending unit wire unplugged and remove the boot from the plug wire. Insert a short piece of paper clip wire into the end of the plug wire and hold near metal of the engine for test. If spark, replace boot. If still no spark, unplug wire from on/off switch and retest. If still no spark suspect faulty coil ~ redo all tests using old coil. If still no joy return new coil for exchange. I use a growler to test coils(growler used for testing armature for short, place one leg of coil on each pad of growler and activate growler for short burst). Good luck.
Have you checked spark for sure? 1) Spray WD-40 directly into carburetor If machine has spark, it will fire 2) Is exhaust port clogged with carbon and dirt? 3) Get new spark plug Pull out old spark plug Put spark wire on plug Hold spark plug wire with fingers Put spark plug threads against metal opening where spark plug came out. Metal to metal Pull cord or push starter Look for spark between metal
check pulse generators first, i found one burnt and one was open on my 87 hurricane 600. Ohm the wires out for opens or low ohm readings readings,they should be about 400ohms or more. if thats good then check out spark unit..if thats good then check to see if coils wires are getting 12v. Then if that is good check resistance of primary and secondary plug wires. or just replace them anyway and that one less thing to worry about. you have new plugs and wires. it can only really be the coils or pulse generator. hope this get you in the ballpark can iget a helpful on this thanks but if i helped you fix it by checking the pulse generators i'd like a very helpful, appreciate!
First check the surface between the rotor and the coil and make sure there is no rust. If there is take some fine emery cloth remove the rust from both the rotor and coil. Use a noncondutive cleaner to remove any metal particals. If you remove the coil you can use a standard business card to reset the gap.
After completing this process if it still does not start check the plug and make sure you have a spark in the plug gap. You can test it by removing the plug and reattach the plug wire then lay the plug on the head and try starting the engine. The spark should be a bright blue. If you do not have any spark recheck the plug gap. If the spark is a red color your coil is weak and needs to be replaced.
Are u using the spark plugs that the manufacturer recommends. I can suggest you one thing, you can test the coil when it is cold and it tests okay resistance values okay, but sometime when it is hot the coil shorts, and I have seen this happened check values when the coil is hot. Check resistance for the primary and secondary coil windings and record when coil is cold and when coil is hot