I'm going to be redoing my bike and would like to go with differant gauges for a couple reasons, reason one is that neither the speedo or tach work properly, reason two is that I would like to clean up my bike abit. One issue I've been coming across for the last couple years of trying to find a good speedo is that I can't find the ratio at the wheel... I found out that most if not all kawi's had the same drive, which would make me think that it's a concern of either the tire size and or the ratio of the speedo gauge... my bike came stock with a 18" rim where I'm finding out that most other bikes had the 19". I've found aftermarket 1:2 ratio speedo and 2240:60 ratio... so I'm getting really confused I don't know which ratio could be used on my bike if either... even if I went with a more normal 19" rim which one could be used... I would prefer to stick with the rim I have though. If I knew the ratio at the wheel than I could do some math and figure out what I need. Also I've only been able to find after market cable driven tachs, where can I get a electric one which is what came stock on my bike. Any info would be appreciated. Thank you.