Repair & Maintenance can spark plug wire be replaced? October 26, 2015 hey, just bought a 85 big red 250 es and the plug wire is too short.. the coil is just hanging.. was wondering can you replace just the wire on these coils or do you have to replace the whole coil pack? thanks! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related