Misfire sorted....... Cleaned out the air filters, picture attached which were really dirty.. But the problem was the vertical cylinder coil... I put the old horizontal coil in the vertical cylinder and hey presto the misfire has gone....So new coil ordered for vertical cylinder..... It's took a lot of trail and error and yes if I had ordered two new coils in the first place it would have sorted it but it's helped me get acquainted to the bike. Thanks for all your advice
well done. Debris-filled air filters are part and parcel of having a forward facing air intake, so all the insects and debris that splat that part of the bike end up in the filters. The old rear-facing intakes may have sucked in lots of dust but not many insects
