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Showing results for tags 'lockup'.
Found 4 results
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Another glitch I am having during the bikes total over haul is my FJR rear end won't cooperate. I have a seemingly good condition rear end that came off of a 2004 FJR. On the bench it turns fine, no problems. I mount it on the bike and as the rear axle is torqued down the rear end binds up. It finally becomes almost impossible to turn by hand. I can hear no unusual noises as this is occurring. Prior to torquing axle and with drive shaft in, wheel turns just as it should. I have tried this with a shim in place of the thickness that Skydoc recommends and several thinner thicknesses of shim with exact same results. Also same with no shim in place. I even tried an experiment shown in first two attached pictures where I torqued wheel down without going through the right side of the swing arm. I felt this would eliminate the shim variation from the process. I used a piece of 5/8" threaded rod with a nut on left side of rear end and other nut up against wheel bearing. This also eliminated the brake arm from causing problem. Last picture shows axle in as it should be, with washer in up against swing arm. I am using an MKI swing arm. I currently have the stock rear end back in and it works perfectly. The one explanation I have thought of is as the axle is being torqued, the ring gear is being forced into the pinion gear just enough to cause binding. Skydoc didn't have an explanation for this. Any suggestions would be great. Gary -
I was having rear wheel lockup when braking hard and couldn't figure out why. Then I read an article on the MSF webb site about an instructor that had alot of students in the advanced rider course that had floorboards,had rear wheel lockup. He found the reason why!! They were lifting up their foot and stomping the rear brake. When you do so you are using not only you calf muscle but you thigh and inertia, thats a lot of pressure. His answer is to keep you heel on the floorboards and pivot foot to the brake leaver and brake with you toe or the end of you boot. It works!!! I have been practicing that procedure and it works. Try doing it and you will build up muscle memory and you will do it in an emergency. So far I have not locked up the rear wheel when doing this. Practice,practice, practice!!!! I hope this will help everyone. tew47
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hello all. i have searched the "tech" forums to no avail. can anyone tell me where the REAR brake reservoir FULL mark is? i don't know when "enough is enough". i have heard that overfilling, can cause rear "lockup", as the fluid heats up with use. thanks in advance. just jt
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Has anyone tried adjusting the rear pedal height? Could the angle applying the brake have any effect on pressure causing the rear brake lockup? Is there any better control if the front brakes are used first and than add in the rear brakes?
