Stihl 051/075 ignition

[tuxy]

Hello everybody, i got this old stihl 051/75/76(not sure about the model) about month ago, in general chainsaw is in good shape consider how old it is, compression is good, crank bearings too, but my only problem is that it dont have spark, it have this coil that is really rare to find, coil has been tested and it is working great when i put it on saw sometimes it have tiny little spark sometimes not and only on cable, when i put sparkplug nothing, now i am not an expert in ignition and electronics so could someone just help me with this old beast

 

[TomSeller]

Hello everybody, i got this old stihl 051/75/76(not sure about the model) about month ago, in general chainsaw is in good shape consider how old it is, compression is good, crank bearings too, but my only problem is that it dont have spark, it have this coil that is really rare to find, coil has been tested and it is working great when i put it on saw sometimes it have tiny little spark sometimes not and only on cable, when i put sparkplug nothing, now i am not an expert in ignition and electronics so could someone just help me with this old beast <img src="http://www.tractorbynet.com/forums/attachment.php?attachmentid=463877"/> <img src="http://www.tractorbynet.com/forums/attachment.php?attachmentid=463878"/>

Is it a new spark plug and do you have a good connection from the cable to the top of the plug? How are you grounding the plug when checking the spark?

 

[tuxy]

spark plug is brand new, cable too, i put sparkplug on cylinder for grounding

 

[Toyboy]

Go to this site and post your problem on it. These guys will not only be great help, but may also have the parts you need.
http://www.arboristsite.com/

 

[2458n]

Points under the flywheel. It is a old saw.