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Post by nigel1967 on Sept 9, 2014 18:37:05 GMT 1
Hi all, im in the middle of a rebuild 125 LC 1GU, noticed the head bearings are shot so will replace withe already purchased taper ones, Question... do I take out the roller rings in the frame and the roller ring on the bottom yoke?, just not sure as not tried, looking a bit of advise first..
cheers
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Post by looey on Sept 9, 2014 20:32:12 GMT 1
Yes mate, remove all old bearing cups from the top and bottom of the headstock/stem
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Post by nigel1967 on Sept 10, 2014 13:19:02 GMT 1
Cheers guys
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Post by garylittlemore on May 23, 2017 9:32:28 GMT 1
Nigel1967 I'm about to replace my headstock bearings too, what advice can you give, in what order did you follow? Any help will be greatly received.
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Post by museumman on May 23, 2017 9:47:39 GMT 1
he sold his bike and hasnt been on here for 18 months.
put the cups in the freezer and heat the frame seat with a hairdryer or heat gun then tap them in. The new bits will sit out prouder in the frame than the old ones
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Post by garylittlemore on May 23, 2017 10:34:18 GMT 1
Great thanks Museumman, my problem is that I've not got any of the old bits to compare the new ones against. I've only got the cover and nut. Below are pictures of the frame top and bottom.   |
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Post by stusco on May 23, 2017 10:57:36 GMT 1
That looks like the old ones completely different from tapers you will need to knock them out ,they are easy to knock out
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Post by museumman on May 23, 2017 21:44:17 GMT 1
just drop a long bar down there until it touches the edge of the bottom cup then bash it, move the bar to the opposite edge and keep bashing it in different places until it falls out. turn frame upsidedown and same again
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Post by jorjasfather on May 23, 2017 21:47:36 GMT 1
On the yokes will the bearing collar come off easy enough
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Post by garylittlemore on May 24, 2017 9:37:26 GMT 1
Great stuff, thanks for all your help. I'll have a 'bash' on the weekend :-)
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Post by garylittlemore on May 25, 2017 20:41:02 GMT 1
Guys, my new headstock bearings have turned up today, they don't have dust shields, should that be right?
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Post by museumman on May 26, 2017 14:00:28 GMT 1
On the yokes will the bearing collar come off easy enough the yolk is tapered so you can wedge in a thick screwdriver around the sides to pop it off |
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Post by guiri on May 28, 2017 19:58:25 GMT 1
Guys, my new headstock bearings have turned up today, they don't have dust shields, should that be right? the dust cover is a yamaha part mate. if you havent got one their very cheap to buy new online or your local yam dealer. lots of models use the same part so still available. john. |
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Post by garylittlemore on Jun 1, 2017 15:21:05 GMT 1
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Post by andysh2 on Jun 10, 2017 17:41:56 GMT 1
Just fitted these on my MK1 RD125LC fitted ok but the only thing is because the top bearing is thicker you cannot get a full lock nut on the top
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Post by wonkywheel on Jun 10, 2017 18:57:32 GMT 1
Is the bearing and shell sitting too high- therefore you can't get enough of the nut on the headstock thread?
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Post by andysh2 on Jun 10, 2017 19:58:25 GMT 1
The bearing is fully home it wont go any further because of the shoulder it's all tightened up ok just not quite a full thread that's all
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Post by wonkywheel on Jun 10, 2017 20:29:11 GMT 1
The bearing is fully home it wont go any further because of the shoulder it's all tightened up ok just not quite a full thread that's all That's good then. Job done- smoother and better steering. |
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