2003 Big Bear rear end wobble
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Morning gents. I recently grabbed a bud's Bear that he claimed had diff issues. The diff itself, despite the goop inside spins smoothly and freely. However the entire rear brake assembly is missing. I believe the part that is missing was once where a bearing was mounted on the right side to support the shaft, hence the wobble. I attached a pic to see if anyone can help. Also if anyone has a repair manual in pdf format, I would love a copy.
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Yes, the brake backplate has wheel bearings for the RH side inside it. The splines in the crownwheel will have taken a pounding, as will the diff bearings. Why would anyone be stupid enough to leave it off?
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I don't know why they did it brother, but it is my problem now. I don't plan to source all the parts for the rear brakes, but must have a bearing for the shaft to ride on. Can I order just the backplate (have a part number?) and bolt it all back together. Is it part number 16 in the link?
Yamaha ATV Parts 2003 BIG BEAR 4WD - YFM400FWR REAR WHEEL Diagram |
Originally Posted by Kainedogg
(Post 3312940)
I don't know why they did it brother, but it is my problem now. I don't plan to source all the parts for the rear brakes, but must have a bearing for the shaft to ride on. Can I order just the backplate (have a part number?) and bolt it all back together. Is it part number 16 in the link?
Yamaha ATV Parts 2003 BIG BEAR 4WD - YFM400FWR REAR WHEEL Diagram |
Well the journey begins. I will update this thread if and when I make progress.
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I've just bust a backplate on a Honda 400Auto. The brakes were seized and the drum stuck so fast on the axle the puller broke the backplate as I tried pulling them both off together. Some idiot had welded the LH hub to the shaft, so removing the lot and pressing the drum/backplate off wasn't an option. Anyway, got a Honda 350 backplate complete with bearings and shoes for £36 from a breaker, problem solved. Incidentally the 400 had a different part number to the 350 backplate, but was the same.
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