my 1985 kaw 900 every once in awhile feels like it slips or your riding in fifth gear and you should be in second,it may be the clutch but its only done this three times,it has 19000 miles are there any transmission troubles with this bike,or do you think the clutch should be looked at,the fluid level is full on handle bar it seems to do it about 25 35 mph thanks blair ps is there a place that will rebuild waterpumps mine leaks