[Ignitor issue? GSX1000 Kat engine]

Just out of curiosity, which coil went bad 1&4 or 2&3

[4th Dec 2021 kempton park autojumble]

Autojumble and classic dirt bike and road racing show 

[Vmcc autojumble 6th nov]

At the bath and West showground only£4 to get in and normally find something interesting 

Doors open 9 30 

[GS1000g]

Recently  brought Gs 1000g  motor to strip out for the top end   as have my old bottom end (chain )  waiting for the barrels 

What parts of the topend are not compatible