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-   -   The RS125 wheel mystery (http://www.gasgasrider.org/forum/showthread.php?t=23687)

motopsycho87 07-08-2018 11:23 AM

The RS125 wheel mystery
 
5 Attachment(s)
So after doing the TZR125 front and GS500 rear SuMo conversion, I eventually decided it was time to get some proper sized wheels and a nice 320mm brake disc. After a bit of a rear on here and the KTM forums, it appears RS125 wheels are the wheel of choice... So what is required to make the buggers fit?

First off, these wheels are from a 2007+ RS125, and are being put on a 2002 EC300.

Front wheel, though the other post states the front wheel requires machining, it does not.

To make fit you require -

2x 25x47x12 bearings
1x 25.1x32(minimum)x78.6mm centre spacer
1x 25.1x32x12 disc side spacer
1x 25.1x32x16 hub side spacer
2x 32x47x7 seals

Adaptor bracket required has 3 holes

Hole 1 - X0Y0 (datum)
Hole 2 - X35Y-2.5
Hole 3 - X51.5Y0

Then it must be milled with 12mm clearance on the holes.

Rear wheel -

Sprocket hub must have 7mm machined off of the disc face, and 6mm off of the hub.

Rear wheel must have 3mm off of the disc face and 3mm off of the hub

Centre spacer remains the same

Disc side spacer 20x32x7mm
Sprocket side spacer (stepped) -

ID 20
OD1 25x18 L
OD2 32x12 L

Then just replace all of the carrier and sprocket bolts with low profile button heads, and off you go :D!

(F5) 07-08-2018 02:43 PM

S'funny. I've messed around with lots of RS125 wheels and none of them looked like that.
Honda never ran cush drives on their race bikes.:D

pscook 07-08-2018 07:01 PM

Quote:

Originally Posted by (F5) (Post 184155)
S'funny. I've messed around with lots of RS125 wheels and none of them looked like that.
Honda never ran cush drives on their race bikes.:D

Likely Aprilia RS125 wheels. The street bike, of course, not the RS125R GP bike.

(F5) 07-08-2018 09:50 PM

Just being silly. A mate has one about that era. Not common here.

motopsycho87 07-09-2018 01:06 AM

Quote:

Originally Posted by (F5) (Post 184155)
S'funny. I've messed around with lots of RS125 wheels and none of them looked like that.
Honda never ran cush drives on their race bikes.:D


So esoteric it burns !! ;) :D

Harry 07-09-2018 02:17 PM

Try and contact WAZ . He has RS wheels shown on this post

http://www.gasgasrider.org/forum/sho...ighlight=super

motopsycho87 07-10-2018 03:29 PM

Mine are on and running mate :D cheers though!


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