f1wade Posted August 15, 2015 Report Share Posted August 15, 2015 Hi Im looking at a bike with knackered steering head bearings. I wondered how easy they are to replace beta 4t 300 2008 and why they would go in the first place, is it a sign of bad maintenance or a bike model defect? Quote Link to comment Share on other sites More sharing options...
iridebikes Posted August 15, 2015 Report Share Posted August 15, 2015 There quite easy to replace less then an hour Bearings can go for any reason- I've had one go It's not always bad maintenance as once there in you don't have to really touch them apart from tighting them so often It also possible the previous owner have used a jet wash and blew the grease out, it nothing serious and every bike will have it at some point Quote Link to comment Share on other sites More sharing options...
suzuki250 Posted August 15, 2015 Report Share Posted August 15, 2015 (edited) Quite straight forward to change, they do tend to go on off-road bikes as do all the other chassis bearings (Wheel, suspension ect...) Its worth buying good quality bearings from a bearing supplier (and also saves a few quid)! Edited August 15, 2015 by suzuki250 Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 15, 2015 Report Share Posted August 15, 2015 manufacturers don't grease them properly when the bikes are assembled 5 Quote Link to comment Share on other sites More sharing options...
wakka Posted August 15, 2015 Report Share Posted August 15, 2015 Do you have the fuel cap and does the fuel hose go down into the steering head stem tube? if you do then its from the fumes from the cap tube. It breaks down the grease, had it happen to me years ago. Never had it again after i changed the fuel cap hose. hope this helps Quote Link to comment Share on other sites More sharing options...
biffsgasgas Posted August 16, 2015 Report Share Posted August 16, 2015 Water gets in and they rust. --biff Quote Link to comment Share on other sites More sharing options...
axulsuv Posted August 23, 2015 Report Share Posted August 23, 2015 Water proof marine grease .... and use too much , grease is cheap ... Quote Link to comment Share on other sites More sharing options...
timp Posted August 23, 2015 Report Share Posted August 23, 2015 Drill and fit a grease nipple. Quote Link to comment Share on other sites More sharing options...
dadof2 Posted August 30, 2015 Report Share Posted August 30, 2015 Is your bearing gone or has the outer race come loose in the alloy? Quote Link to comment Share on other sites More sharing options...
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