View Full Version : 125M sprocket question
My drive sprocket is a little worn on me 125M motor and i wanted to replace it since i have it apart. The problem is that the sprocket is discontinued. Its a 14 tooth sprocket and on ebay there are 14 and 15 tooth atc 110 sprockets. They look similar but i can't find any that say they fit the 125. Does anyone know if they'll work or where i can get a 125M sprocket? Thanks
hoosierlogger
11-17-2011, 04:29 PM
I dont think they will. I am pretty sure the 110 and 125 are different.
Jason125m
11-17-2011, 04:57 PM
I am 99 % sure they will interchange, because the rear sprocket does.
Jon Boy
11-17-2011, 05:35 PM
i don't really know myself, but i want to say they're the same. everything else trans-wise are the same as far as i know.
hoosierlogger
11-17-2011, 07:26 PM
must be something that changed between the model years. A guy at Trikefest bought a 125 motor off of a buddy and was going to swap the sprocket to his 110 and then brought it back and said it wouldnt fit right. Your mileage may vary.
Jon Boy
11-17-2011, 07:53 PM
there's a 13tooth on Ebay. http://www.ebay.com/itm/400242536438
i'm glad you started this thread, got me to thinking about mine. i'm going to have to change mine with-in the next couple years.
There are quite a few on ebay if you search "atc 125". I was searching "125M" and only came up with one used one. Thanks for finding that jonboy, it helped me figure out what i did wrong.
fabiodriven
11-17-2011, 09:07 PM
I would just like to add, you may want to take a peek at your rear sprocket and chain. It's usually best to replace them all at once.
Thanks for the advice fabio, i will be replacing the other sprocket and chain. This is in a little project i'm making, i'll make a post about it in the bikersville section next week when i can get some good pictures. But for the conventional use there is a pretty good deal on ebay, it was both sprockets and the chain for $59 i believe. And it was the stock 14T front sprocket.
Jon Boy
11-18-2011, 12:59 AM
yeah, x2 what fabio said. luckly my rear is fairly new and looked good last i checked. front is showing some wear to the teeth.
JohnR.
12-23-2011, 04:22 PM
I found a couple places on line that. Sell aftermarket ones. Its on my shortlist of things to do on the one I am fixing up for my daughter. I can post a link if you need me to, its bookmarked at home and I'm not there now.
If its not too big of a problem that would be great. I bought a 13t off ebay and it wasn't for a 125. And what pisses me off the most is it cost me $10 in shipping to find that out after i was refunded the money and the jerk is still selling them as 125 sprockets.
JohnR.
12-23-2011, 07:56 PM
Here ya go:
http://www.ghdiscountatvsupply.com/servlet/the-10/Honda-Atc-125-125M/Detail
Its a 14T one. I think I'd prefer a 13T to help that little motor get my big body moving but gotta take what you can get I guess.
John
Thank you sir, i will order one sometime next week.
hoosierlogger
12-24-2011, 02:01 PM
So are they different?
JohnR.
12-24-2011, 02:57 PM
I think its safe to say yes they are.
Yes, they are. The lengths on either side of the actual sprocket are diferent. It will go in and be fine until you try to put the c clip on the sprocket inside the sub tranny. Thats about the time you throw tools and make up new words.
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