Ok no worries
Squirt some wd40 on the plug to the starter and any earth straps you can see.
Under the dash when the cowling is removed on the ignition barrel there is a switch.
Take this off unplug from the loom unscrew the cover off it and you'll see an array of contacts that open/close depending on where the key is turned.These could be oxidised ( a white compound ) this can be removed with a small piece of sandpaper or fine file.
It's not too difficult to do any q's shout up.