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New Renthal Ultralite sprockets
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Posted by: jho410
Rear: part # 121U, 49 teeth, $64.95 retail, asking $30. Fits ...
1993-01 YZ80 and 2002-03 YZ85
and
1988-01 RM80 and 2002-03 RM85
Front: part # 258, 13 teeth, $18.99 retail, asking $10. Fits ...
1981-01 YZ80 and 1977-86 YZ125
and
1983-01 RM80 and 2002-03 RM85
See http://www.renthal.com/site/products/cwmakes/yamaha.asp for Yamaha or http://www.renthal.com/site/products/cwmakes/suzuki.asp for Suzuki.
I won these recently at an enduro and they are brand new still in original packaging.
jho410@yahoo.com
Posted by: Jaybird
89-01 RM80 on the rear
'88 takes different.
Posted by: jho410
If you say so ;-)
Come on guys ... someone must need some sprockets soon.
Posted by: Jaybird
I wasn't trying to be smart, jho. Just thought maybe I could help you and the buyer from a problem....
(trust me an '88rm80 takes a different sprocket)
Posted by: pyrofreak
I have a '90 YZ80 and am interested in the front sprocket. I have been meaning to get a larger rear sprocket, but i may get a smaller front one. Is the 13 teeth the same as the stock or smaller/larger? I cant seem to find the inforamtion in my Clymer manual, and my bike is at my grandmothers house so i cant check.
Posted by: jho410
I briefly looked around on the web and couldn't find the info. Check out your bike and let me know.
BTW, a one tooth change on the front sprocket is a pretty radical change especially for a YZ80. You might consider a rear change of a tooth or two (more costly though).
Posted by: Jaybird
The '90 YZ80 most likely came with a 14t front. Could possibly be a 15t also.
They did not come stock with a 13t.
Stock rear on the '90 is most likely a 46t, but could also be a 48t.
The 15/48 is a 3.2:1 ratio, the 14/46 is a 3.29:1 ratio. Not a noticible difference between the two combos. However the larger front combo will last longer.
I agree with jho, try a couple tooth more on the rear. Stay larger on the front if possible.
Posted by: jho410
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