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cb 125 superdream project

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lozza59
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PostPosted: 16:24 - 01 Jun 2011    Post subject: cb 125 superdream project Reply with quote

hi if anyone can help, teflon mike? i have refitted my back wheel but when i adjust my chain the tyre rubs on the wishbone? it didnt do this before but i believe the rear tyre could be a bit big, it says enduro on the side wall and looks almost like a nobbly off road tyre, however like i said it seemed to work before with this tyre. just with a bit to much slack in the chain, i miss my cg lol tyre is a heidanu? 3.50 18 enduro, any help appreciated thankyou
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Teflon-Mike
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PostPosted: 16:33 - 01 Jun 2011    Post subject: Re: cb 125 superdream project Reply with quote

lozza59 wrote:
hi if anyone can help, teflon mike? i have refitted my back wheel but when i adjust my chain the tyre rubs on the wishbone? it didnt do this before but i believe the rear tyre could be a bit big, it says enduro on the side wall and looks almost like a nobbly off road tyre, however like i said it seemed to work before with this tyre. just with a bit to much slack in the chain, i miss my cg lol tyre is a heidanu? 3.50 18 enduro, any help appreciated thankyou


Err, yeah!
Rear tyre should be a 3.25, and a 3.50 'knobly' with an extra half inch of knoble stuck on the outside... probably WOULD be inclined to rub at the extremity of adjustment!
But, drop link is a lot narrower than the swing arm... have you alighned teh wheel correctly so its sitting in the middle and not rubbing on one side, rather than the middle being hard in the middle of the 'U'?
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lozza59
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PostPosted: 17:14 - 01 Jun 2011    Post subject: cb 125 Reply with quote

brilliant thanks for the info , if i leave extra slack in the chain it doesnt rub (but very close), i believe i have adjusted it correctly though, but will check on that again, what tyre and sizes would you recommend (front and back) as the front is a kengda and almost useless, i am thinking of metzelers, thankyou for helping, again lol
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Teflon-Mike
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PostPosted: 18:05 - 01 Jun 2011    Post subject: Re: cb 125 Reply with quote

lozza59 wrote:
brilliant thanks for the info , if i leave extra slack in the chain it doesnt rub (but very close), i believe i have adjusted it correctly though, but will check on that again, what tyre and sizes would you recommend (front and back) as the front is a kengda and almost useless, i am thinking of metzelers, thankyou for helping, again lol
If you leave extra SLACK it doesn't rub?!
Chain loops from the front of the bike, if its too close to the front of teh swing arm or the drop link, you would have to pull the chain tighter to move it away?!?!
something doesn't sound quite right here...

Stock sizes are 3.25x18 rear, 3.00x18 front.

Harder to find rears than front's... 3.00x18 is standard size REAR for a GC or YBR, and very common, 3.25's aren't.

HOWEVER, using 3,00 on the rear and a 2.75 on the front, sizes for a CG125 or earlier twin shock CB, work very well.

Slightly narrower, you don't loose much by way of contact patch, but do gain better wet weather water dispersal. Metz M45's are a good tyre in that size.
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My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?'
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lozza59
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PostPosted: 19:05 - 01 Jun 2011    Post subject: Reply with quote

yep its me i couldnt align the wheel correctly, had a friend align it so it now spins free. i guess this is why my cg ate all those tyres!! lol
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