Just done a big service on my ST1300 (2002, no ABS), and bled the brakes with fresh fluid.
When I was done, with the bike on the centre stand and rotating the back wheel by hand, it locked up well when the rear pedal was depressed - as expected.
However, the brake seemed slow to release. I could rotate it (just) by hand but it was dragging. After I'd turned the wheel two or three times it began to free up, another few turns and it was fully released. This doesn't seem right to me, surely the wheel should be free once the pedal is released.
I thought the calliper seals might be the culprit, so got a replacement set and overhauled the calliper completely. The pistons and bores were in pretty good condition and no major faults were found. I've rebuilt the calliper and its back on the bike.
After bleeding through the sequence, it would seem I've still got the same problem, back brake slow to release after depressing the pedal.
I've also noticed another issue, that when I push the SMC by hand, it does not feel as firm as I remember it used to be, a bit squishy.
I'm beginning to think I've not successfully got all the air out of my lines, but after spending a WHOLE DAY and bleeding 3 litres (about 5 pints) of fluid I'm getting short of patience. Aaaarrrgghhhh!!
I've got a Haynes manual which I've followed, and have also read the extensive instructions from other riders on this site, just don't seem to be getting the thing right.
Anyone got any wisdom for me?
When I was done, with the bike on the centre stand and rotating the back wheel by hand, it locked up well when the rear pedal was depressed - as expected.
However, the brake seemed slow to release. I could rotate it (just) by hand but it was dragging. After I'd turned the wheel two or three times it began to free up, another few turns and it was fully released. This doesn't seem right to me, surely the wheel should be free once the pedal is released.
I thought the calliper seals might be the culprit, so got a replacement set and overhauled the calliper completely. The pistons and bores were in pretty good condition and no major faults were found. I've rebuilt the calliper and its back on the bike.
After bleeding through the sequence, it would seem I've still got the same problem, back brake slow to release after depressing the pedal.
I've also noticed another issue, that when I push the SMC by hand, it does not feel as firm as I remember it used to be, a bit squishy.
I'm beginning to think I've not successfully got all the air out of my lines, but after spending a WHOLE DAY and bleeding 3 litres (about 5 pints) of fluid I'm getting short of patience. Aaaarrrgghhhh!!
I've got a Haynes manual which I've followed, and have also read the extensive instructions from other riders on this site, just don't seem to be getting the thing right.
Anyone got any wisdom for me?