Gk76a spark problem

[ant gk76a]

Hi guys my gk76a has a problem with sparking it intermittent most of the Tym there's no spark at all but some times she wil fire I checked my wireing an coils all seen to be fine I noticed wen I take one of the spark plugs out turn the engine over an no spark but wen I flik the kill switch il get a spark on the spark plug any ideas what could b causin this any help would be great thanks ant

[ben2306]

could it be your switch problem? my H/L lights switch was like that, wiring inside damaged...

[ant gk76a]

Checked the kill switch wirin an was ok only problems I did find was had a broken wire as it come out left hand engine casin so fixed that an the plug next to battery with 3 red wires was corroded so replaced the plug an stil no spark dos any body have a wiring diagram Thay could send me thanks ant

[Variablevalves suck]

Ive had a similar problem after repairing the trigger pickup wires LH case, check the resistance of the pickup- 100 ohms ish.