125cc 2003 Gearbox issues

T

theO

New member
Hi there.
I bought a 125cc 2003 ec, with a couple of smashed gears inside.Thought it would be an easyfix... Apperently not.
Nowhere to be found anything that could match. Anybody with any knowledge who could help a little. It seems that newer ec gears doesn't fit in the older box?!
If anyone has some spare junk I would be intrested( got to much money spent on this already just to scrap it).
One option is to get somebody to make the gears oc, but where to find exact measures?
 
There are two GG 125 gear sets on ebay right now. I am 97% certain the MC trans is the same as the EC trans.
 
This is not a difficult problem.

Hop on Ebay purchase the gear set for $79.99 and put your bike back together.

https://www.ebay.com/itm/143791185470?hash=item217a9f5e3e:g:m-kAAOSw9qVfig1k


I had a MC and an EC both bikes had 6speed transmissions. Riding them back to back there was no noticeable difference in gearing. I rebuilt both engines top to bottom and I did not see any differences.

Here is a MC 125 gearset.

https://www.ebay.com/itm/324371557948?hash=item4b860d2e3c:g:E2MAAOSwOQ9frU-y

If you look at the photos on Ebay to compare the two gear sets. The first set from the EC125 look a bit cleaner.
 
Zman said:
This is not a difficult problem.

Hop on Ebay purchase the gear set for $79.99 and put your bike back together.

https://www.ebay.com/itm/143791185470?hash=item217a9f5e3e:g:m-kAAOSw9qVfig1k


I had a MC and an EC both bikes had 6speed transmissions. Riding them back to back there was no noticeable difference in gearing. I rebuilt both engines top to bottom and I did not see any differences.

Here is a MC 125 gearset.

https://www.ebay.com/itm/324371557948?hash=item4b860d2e3c:g:E2MAAOSwOQ9frU-y

If you look at the photos on Ebay to compare the two gear sets. The first set from the EC125 look a bit cleaner.
Click to expand...


Well done, Zman!
That's the way to help a person.
 
Thank you Jim. We all try to help our GG family members where we can.
 
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