valencia is a very hard track to do consistent laps on, but once you can do that you should be able to get some good times up
when you can do consistent laps try to push a bit harder and try to keep that pace etc.
edit: my broter deleted all my replays from TT
for now
suzuki 600 : 1'36.8xx
kawasaki: 1'36.8xx
triumph: 1'37.2xx