For a quickie compression test you can just put your thumb over the spark plug hole and spin the starter; it should have enough pressure to push your thumb off the hole pretty stoutly. You can also replace the condoms with a section of fuel line tying both nipples on the same cylinder together as another test. All of this is predicated on the fact that you do have spark to the right side and the igniter isn't at fault.
It could also be the pickup coil gap under the right side engine cover. The book says a gap of 1.0~1.2 mm but that's been updated by a service bulletin and that gap now is 0.8mm and it does make a difference as that one thing has been a common source of misfiring bikes.. You can check that gap without losing more than a tablespoon of oil when the bike is on the side-stand but you'll almost certainly need a new gasket...mine shredded when I removed the side cover.
