I go rear brake only when the traction is almost gone, such as when it has just started raining, before all the oil has been washed off the road or if I'm on wet grass. When it's wet or I'm on a substandard road, such as old dry asphalt, the kind that has gone light grey, I'll apply the rear brake to lockup to get a feel for the traction that is there, and then use front accordingly.
I had a Suzuki GN 250 with a dual leading edge drum brake that, in the above situations, would put you on your a$$ if you hit the front brake, on the first application. The first time you hit it, it would always give enough braking force, no matter how lightly you applied it, to fully drop the fork, for an instant. I was quite happy when my next bike had a hydraulic front disk.
I had a Suzuki GN 250 with a dual leading edge drum brake that, in the above situations, would put you on your a$$ if you hit the front brake, on the first application. The first time you hit it, it would always give enough braking force, no matter how lightly you applied it, to fully drop the fork, for an instant. I was quite happy when my next bike had a hydraulic front disk.
