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Offline TMKIWI

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RM125.
« on: January 23, 2012, 05:17:26 PM »
Any one know what year Suzuki came out with an exhaust valve on the RM125.

I have just bought a trailer load that has 1 complete bike running.
Complete extra frame with motor , 6 sets of plastics , 3 tanks etc.

Both motors are in good nick but 1 has a funny looking exhaust valve on top of the barrel while the other does not.
The exhaust valve motor is supposed to be a 1985 while the other is supposed to be an 1984.
We can only run up to 1985 in VMX here so need to know if both motors are of the correct age.

Cheers.
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Offline 2T Institute

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Re: RM125.
« Reply #1 on: January 23, 2012, 07:56:01 PM »
I think the AEC valve was only in 86, the RG125/250/500 all had the resonator prior to the RM.
85 no pv power reed
86 AEC power reed
87 pv full reed.

The 85 will be a good thing, 250 is even better(especialy with the 82 or machined head)  :D
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Offline TMKIWI

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Re: RM125.
« Reply #2 on: January 24, 2012, 02:49:58 PM »
Cheers for that 2T.
I have heard conflicting stories so wasn't sure.
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Offline TMKIWI

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Re: RM125.
« Reply #3 on: January 24, 2012, 02:55:03 PM »
Have you seen this site.

http://www.suzukicycles.org/RM-RMX-series/index.html?RM250-RMX250.shtml~isoraami

They seem to say the AETC came out in '84.
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Offline 2T Institute

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Re: RM125.
« Reply #4 on: January 24, 2012, 09:58:53 PM »
Alpha sports parts fische says otherwise
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Offline MXLord327

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Re: RM125.
« Reply #5 on: January 25, 2012, 09:02:33 PM »
I had an '84, no power valve.
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Russ L.

1998 YZ250
1981 TS185

Offline TMKIWI

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Re: RM125.
« Reply #6 on: January 26, 2012, 02:53:01 PM »
Forgot about Alpha sports.
Cheers guys.
Looks like I have 2 85' frames, 1 85' engine and a 86' engine.
Got it cheap enough and the 86' barrell is on a 85' crankcase so I have 2 bottom ends.
Will check out interchangeability when I get a chance.
Will be a fun project. ;D
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Offline 2T Institute

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Re: RM125.
« Reply #7 on: January 26, 2012, 05:59:26 PM »
The full reed 83 is the pick of them
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