Power Tools I have a Husqvarna 61 serial no. 1611 110422. I have pulled the plug out and with the high tension wire connected, holding the plug against the cyl. head, turning the saw over with the recoil and there is no spark. I replaced the plug and still no spark. The saw has good compression with the spark plug installed and there is no problem with fuel or air. I need to know if the coils are the problem. I'm not sure how to test them or what the resistance values should be. The windings don't seem to be open because I get a reading of a certain ohms value (although I can't remember what they are right now). This model is an older one and has two coils installed on either side of the flywheel. One coil is connected to the On - Off switch and to the one side of the opposite coil. The other coil is connected to the spark plug lead and the other lead to the coil just mentioned. I've done a little searching for parts. There are two different coil assemblies available from Husqvarna - Part No. 501516201 and Part No. 501516102. I'm not sure which one to use. If you could help me sort this out I would be grateful. Thank You, Randy Email - email@example.com
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Chances are, your saw is a model year 1983. Since they were made from 1979-2001, it fits in that category. MOST of the time, Husqvarna used only the first 2 digits of the serial # to display the year, but there are exceptions. Because of the number of digits in your serial # combined with it starting with "19" (there would be no model year 1919), I'm quite convinced it's an '83 model year. Your nearest Husqvarna dealer can verify this if you feel that it's absolutely necessary.
The early 61 has a coil on the right side, and an electronic pack at the left side of the flywheel, if there is no spark it is nearly always the electronic pack playing up, make sure the wire to the coil from the box is a good conection under the small screw, the later 61 has a single peice electronic unit, so this will need to be replaced.
Start withe the inexpensive stuff first, pull the fuel hose out of the tank and change the filter on the end, by your discription it could also be an electrical issue, the early 61 had a two peice system, an electronic block to the left of the flywheel, and a coil at the right, if you have this system check the where the yellow two wires connect under the head of a self tapping screw under the coil, if the connection is ok it may well be a case of replacing the electronic box. The later 61 has a single peice ignition system, this may be breaking down when it gets hot, and need replacing.
Let me know how it goes, and if you need help with part numbers etc.
Assuming you have fitted the correct spark plug ( BPMR6A ) then it has to be an issue with the piston, if this is a after market piston it could have poor tolerences, the piston crown should be completly flat, not domed, if the piston is slightly too tall it will increse the compression to the point where you can not crank the engine, take the piston out and carfully compare it with the old piston.
Hello David; We are prohibited from contacting you directly. It sounds as though the ignition module is defective but it could also be a defective switch or interconnecting wire, try this please, it tests the entire system. Ignition Coil Test by SmallEng.com http://www.youtube.com/watch?v=L7WNBDRG4C4 You may need to use a jumper wire between the threaded part of the plug and the cooling fins. You do not have to bend up the electrode. Ignition module gap Place a business or index card between the fly wheel and coil, rotate until the magnetic attraction pulls everything tight together. Tighten the coil screws, rotate the flywheel until the attraction eases and remove the card. Ensure nothing contacts when flywheel is rotated.
In the USA a duplicate receipt can usually be obtained from the merchant, there too? If not what about your credit card receipt?
according to husqvarna the ignition coil is no longer avalible for this saw,the service bulliten says that every thing needs to be changed to make this saw work again.everything includes the flywheel,crank shaft,ignition coil,woodrif key,nut and washer.husquvarna will not let me order the origional coils.i do have a copy of the service bulliten if you would like a copy.just e mail me and i'll send one your way........