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View Full Version : 85 atc125m motor swap...



ATCJORDAN
03-19-2018, 05:11 PM
FOUND A MOTOR https://www.amazon.com/Motor-HQ-Stroke-R-N-1-2-3-Reverse/dp/B01DNBXF40/ref=sr_1_23?s=automotive&ie=UTF8&qid=1521482023&sr=1-23&keywords=125cc+engine&refinements=p_36%3A1253497011 WAS WONDERING IF THIS WOULD FIT INTO MY 85 ATC125M. MY MOTOR THAT IS IN IT IS LOCKED UP AND RUSTED ALL THE WAY THROUGH...I THINK THIS WOULD BE A BADASS UPGRADE

125Mmadness
03-19-2018, 06:50 PM
It will probably work but, I'll always root for original Honda made engines. A really cool upgrade is a 1985-86 trx125 engine. It has 5 gears plus reverse.

ATCJORDAN
03-19-2018, 07:26 PM
I will look into finding one...atv/atc engines are hard to come by in san antonio....thanks

350for350
03-19-2018, 08:59 PM
The one that you gave the link to is only a three speed. On the plus side, it's a "5 stroke" engine. I would REALLY love to see one and have the engine strokes explained to me.

Big G
03-20-2018, 06:22 PM
Engine looks like a decent option to me, but I'm not sure if it would mount stock. Would like to hear how you make out on this thread though because I have an '84 125M with a seized engine as well that I bought for 100 bucks. It's been sitting in the corner of my shop waiting for a replacement motor.