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| Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
02-25-2019, 11:50 AM
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Crank bearings
Just received stator side crank bearing.
It is double rubber protected. I guess there is no need to remove rubber, as it is self lubricated. Had bad experience using non oem, but quality branded C4 bearing on stator side. Crank had play in bearing from day 1. Cases and crank are not worn. Will use regular branded C3 on clutch side, as previous showed no deterioration. Just dont know if rubber protection should be left or not. As I remember, only one side was protected, but dont know which  , towards chamber or gearbox.
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EC 300 2008 EC 300 2018 GP tenere 700 
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#2
02-25-2019, 12:13 PM
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Pull em all out. Premix does the lube and no point shrouding it from any side. Seals are for wheels.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing)
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#3
02-25-2019, 03:20 PM
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Quote:
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220
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#5
02-26-2019, 02:28 AM
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Is that the correct bearing?
I am really surprised that a manufacturer would supply a sealed bearing for use on a crank as I would expect the seal to melt and cause all kinds of problems in the combustion area.
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#6
02-26-2019, 03:02 AM
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Its oem gg ordered bearing.
When i removed original bearing, it had protection installed. I guess if you get accidental debris like sand inside it does offer some protection. But will remove.
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EC 300 2008 EC 300 2018 GP tenere 700
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#7
02-26-2019, 05:47 AM
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GG used sealed bearings for some model years, at least in my son's '08 300. One bearing failed, and when I opened the engine, I found sealed bearings in both sides of the crank. I replaced them with open bearings and the engine has been running happily ever after.
__________________
Anders "So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie) 2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper 2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper 1998 Bimota Supermono 1986 Duc Mille S2 1975 Guzzi sidecar hack 1961 Morini Corsaro 125 etc
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#9
02-26-2019, 03:27 PM
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Quote:
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#10
02-26-2019, 03:38 PM
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Quote:
__________________
WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220
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