Ignition coil repair?

[MattyF]

Is it possible to have the ignition coil of a saw repaired or is a new one the only option?

[spudulike]

Is it possible to have the ignition coil of a saw repaired or is a new one the only option?

 

I once managed to drive off the laminated part of a faulty coil and replaced it with a coil off another machine and a trigger unit so a Stihl 012 fitted a Dolmar 116Si!

 

Modern coils have some whizzy electronics in them - stick a timing light on an old and then a new machine and note the difference!

 

And which machine are you having trouble with:sneaky2:

[MattyF]

It's all good apart from the coil !

Cylinder looks almost unused ...

[Haironyourchest]

Not impossible. If you have a fully equipped machine shop and a phd in electrical engineering. But most probably not worth the time and effort.

[MattyF]

I once managed to drive off the laminated part of a faulty coil and replaced it with a coil off another machine and a trigger unit so a Stihl 012 fitted a Dolmar 116Si!

 

 

 

Modern coils have some whizzy electronics in them - stick a timing light on an old and then a new machine and note the difference!

 

 

 

And which machine are you having trouble with:sneaky2:

 

 

This sounds interesting you know what I have in mind then ,do you recon there is a fix ?

[spudulike]

This sounds interesting you know what I have in mind then ,do you recon there is a fix ?

 

Well I am glad the piston/cylinder are OK. I think I right in saying that this saw doesn't have a contact breaker and the coil is a smart unit with built in trigger but fixed ignition timing.

 

If it is the latter then it is worth trying a very small coil to flywheel gap, try using a piece of thick grade A4 paper and spin the engine over with gusto and see if you get a spark. From past experience, you may get a slight spark and then bugger all if the coil is bad.

 

If the coil is bad, remove it and lets get a look at it. I read a post on AS and it stated thet there are three flywheels and three coils in the history of your @*&%$ machine but I do have an old Dolmar Stone cutter - possibly something we can do here???

[Mark Bolam]

Can you not just bump start it?

[spudulike]

Can you not just bump start it?

 

Damn, why didn't I think of that......Dohh

[billpierce]

what saw is it?

[Stubby]

Can you not just bump start it?

 

Down hill maybe as its quite high comp .