Hello RSB, AVB and Squizzy

The odd thing is the hunting.
I know worn butterfly shafts cause a lean mixture that may
result in engine hunting. Perhaps that could be checked.

If the coil or condenser break down, then I guess you would
get a hit-and-miss effect (a misfire) - similar to hunting,
although 'hunting' is better related to governor or carby issues.
Misfire is more like an on/off switch.

The condenser would be the first point of call for miss-fire,
but Squizzy's advice seems sound too - and the first approach.

Is the symptom hunting or misfire?
The ODK Parts site may offer some assistance on sourcing ignition parts.

Please let us know what transpires.
----------------------
Jack

Last edited by CyberJack; 27/12/16 10:19 AM.