1988 RM125 - new project looking for motor

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sclark309d

Vital MX member sclark309d
20209 sclark309d http://p.vitalmx.com/photos/users/20209/avatar/c50_Joy_1392578267.jpg?1392578142 http://www.vitalmx.com/community/sclark309d,20209/all 05/05/10 15 354

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3/18/2017 9:51 PM

I picked up a "complete" 88 RM125 today. When I got it home I discovered it has an 85 RM125 motor sitting in it. Seeing as it needs rebuilt, I decided to see if I could learn what other RM125 motors might blt in to my 88 chassis before I rebuild the 85. I was wondering if an RM250 motor might bolt in. If so I might look for either a 125 or 250.

Any thoughts or advice appreciated

sclark309d

Vital MX member sclark309d
20209 sclark309d http://p.vitalmx.com/photos/users/20209/avatar/c50_Joy_1392578267.jpg?1392578142 http://www.vitalmx.com/community/sclark309d,20209/all 05/05/10 15 354

Posts: 369

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Location: USA

3/25/2017 9:57 AM

Could any of you give me an idea of RM125 motors that would bolt in? I don't mind fabbing stuff when I need to but sure would like to minimize the "adoption"
Thanks

Aceofspades

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3/25/2017 7:33 PM

If the 85 motor is mounted correctly and fits right, youd be better off using that instead of the 88 motor lol.

sclark309d

Vital MX member sclark309d
20209 sclark309d http://p.vitalmx.com/photos/users/20209/avatar/c50_Joy_1392578267.jpg?1392578142 http://www.vitalmx.com/community/sclark309d,20209/all 05/05/10 15 354

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3/28/2017 8:20 PM
Edited Date/Time: 3/28/2017 8:20 PM

thank you for the input. Would you mind telling me why you think so? I was out of moto after 81 till 2000 and didn't keep track of what was good and what wasn't back then - thanks in advance for anything you'd care
to share

Aceofspades

Vital MX member Aceofspades
40261 Aceofspades http://p.vitalmx.com/photos/users/40261/avatar/c50_20170328_191835_1491356067.jpg?1491355650 http://www.vitalmx.com/community/Aceofspades,40261/all 08/30/13 3 http://www.vitalmx.com/community/Aceofspades,40261/setup 152 2454 28 2

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3/28/2017 10:02 PM

I thought it was an 86 model lol. The 88 engine was a lot better than the 85. Sorry!

RaceService

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31038 RaceService http://p.vitalmx.com/photos/users/31038/avatar/c50_210420122331.jpg?1335640509 http://www.vitalmx.com/community/RaceService,31038/all 11/25/11 24 http://www.vitalmx.com/community/RaceService,31038/setup 9 95 5 3

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4/16/2017 11:01 AM

Suzuki rm 125 1987/88 complete engine for sale. Only 10hour. Buy 2015 1290€