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Enduro Engine 4 stroke (including EFI & Exhaust) 4 stroke engine, EFI, and exhaust discussion |
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#1
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rear wheel bearing completely shot
Went from work to my home and suddenly the rear felt very unstable , luckely i was 0,5 km from home. Then home i noticed my rear fender was scrubbing my rear tire, so removed that. Then went for a test, no improvement. I then checked my rear wheel and noticed the wheel bearing on the left side was gone with a thin iron ring still hanging on it, the rear axle loose in the wheel and the chain very loose. This is the second time a rear wheel bearing breaks down, but the first time it breaks down comletely. It's a weak point of the bike because the bearing is unprotected on the outside of the rear wheel,
Does anyone have a suggestion how to protect that bearing from impact? I know that this will keep on happening once in a while and i don't want to risk being stranded or worse.
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Gas Gas Halley 450 KTM 690 Enduro R 2010 Triumph Speed Triple 955i |
#2
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my rear wheel bearings get destroyed fast. i replace them 3-4 times a year. i only buy quality bearings.... i have ordered checkpoint machine's hard coated wheel spacers, to see if this fixes the problem.
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07 ec300 was 00 xc200 now a 00 xc300. now parting out. 99 ec300 (now a pile of parts which are for sale) Stainless Cycle - Motorcycle Bolt Kits www.stainlesscycle.com |
#3
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What am I missing? Is there not a seal there?
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2011 Gas Gas EC300 38mm, 2008 Husky TE610, 2003 Beta Rev3 250 |
#4
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seals are there - but i think the soft spacers let the wheel move side to side and destroy the bearings? all i know is the bearings wear out extremely fast on my rear wheel. i put a set in earlier this year, have run 6 or 7 2 hour races, and they are shot already. back wheel wiggles...before i put more bearings in, i'd love to solve the cause.
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07 ec300 was 00 xc200 now a 00 xc300. now parting out. 99 ec300 (now a pile of parts which are for sale) Stainless Cycle - Motorcycle Bolt Kits www.stainlesscycle.com |
#5
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I was a bit confused by this statement: "bearing is unprotected on the outside of the rear wheel"
Mine's new and I haven't had a wheel off yet, but that's seems way premature to wear one out.
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2011 Gas Gas EC300 38mm, 2008 Husky TE610, 2003 Beta Rev3 250 |
#6
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What I mean is that the bearing lies on the outside of the wheel and there's space between wheel and frame so dirt can get in the seals and after a while the bearing will get shot. I would recommend changing the bearings every 10-15 hours if you only ride offroad or every 50 hrs if you ride it dual sport like me . Will now change the bearings every time i fit a new rear tire. My bike eats rear tires so that's not a bad idea i think.
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Gas Gas Halley 450 KTM 690 Enduro R 2010 Triumph Speed Triple 955i |
#7
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I always pop the seals of new bearings before mounting them, and pack them up with a good water resistant bearing grease. Remount the seals, and then they last for at least a full season in the worst of conditions. I know there are mixed opinions of this operation, but it works for me.
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#8
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Quote:
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07 ec300 was 00 xc200 now a 00 xc300. now parting out. 99 ec300 (now a pile of parts which are for sale) Stainless Cycle - Motorcycle Bolt Kits www.stainlesscycle.com |
#9
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1-i always pop the plastic seals off a new bearing and pack it with some hi quality bearing grease.....the factory doesnt grease them enough
2-on my old honda cr500, there were two bearings stacked on top of each other on the chain/drive side. i think this is a great idea but i dont how feasible it would be to make this work on a gasgas.
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2002 Husberg FE650e 2006 GasGas EC300 2014 Sherco SER300 2014 Beta Evo Factory 300 |
#10
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Um, my 07 has this - 2 bearings. Inexplicably they are different sizes, which is why the aluminum spacer washer is in there. I got 180 hrs out my last rear bearings and even then only one had crapped out due to water ingress. I have replaced all and packed with marine waterproof grease between them and the seals.
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Barry 07 EC250 |
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