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Author Topic: RM 125 B muffler  (Read 8540 times)

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Offline Nipper

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RM 125 B muffler
« on: March 04, 2013, 08:13:27 PM »
A quick question for the suzuki "brains trust", I am getting closer to finishing a rm 125 B. this will be a competion bike and my query is to do with the exhaust. I have a standard rm 125 chamber in reasonable condition ,but I dont have a muffler, a quick look on the internet and I am having trouble finding a muffler for this particular model. Can I use the RM 250 B muffler on the 125 pipe? Also is there a after market pipe available for this bike. Thanks.
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Offline Davey Crocket

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Re: RM 125 B muffler
« Reply #1 on: March 04, 2013, 08:18:18 PM »
GMC does a pipe/ muffler combo that works a treat....I think his muffler will fit the std pipe. Its also longer than the original stinger and would be more appropriate especially with the new noise limit coming in soon.
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Offline crs-and-rms

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Re: RM 125 B muffler
« Reply #2 on: March 04, 2013, 08:31:16 PM »
ive seen a gmc b muffler and pipe and they look great
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Offline Nipper

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Re: RM 125 B muffler
« Reply #3 on: March 04, 2013, 08:43:48 PM »
good i will check the GMC site now.
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Offline oldyzman

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Re: RM 125 B muffler
« Reply #4 on: March 04, 2013, 08:55:42 PM »
By the way as far as i know the 250 one is bigger all over.... so it wont fit the 125
Brett
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Offline Nipper

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Re: RM 125 B muffler
« Reply #5 on: March 04, 2013, 09:32:13 PM »
Cheers Brett.
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Offline shelpi

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Re: RM 125 B muffler
« Reply #6 on: March 15, 2013, 03:18:12 PM »
Hey Nipper I need a RM250B muffler, ya wanna part with it  ???
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Offline Nipper

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Re: RM 125 B muffler
« Reply #7 on: March 15, 2013, 04:11:53 PM »
Hi Shelpi how;s it going? Sorry mate the only muffler I have for a rm 250b is the one on my bike at the moment.I got that one from Les at VMX unlimited.
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Offline steve7406

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Re: RM 125 B muffler
« Reply #8 on: March 15, 2013, 08:33:36 PM »
Try GMC for your muffler i put one on my 125b it fitted straight on the std pipe and it looks and sounds good.
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1977 Suzuki RM125b                                         
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1973 Yamaha mx360 (on the rebuild table)                                                               
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Offline Paul552

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Re: RM 125 B muffler
« Reply #9 on: March 15, 2013, 09:15:40 PM »
Hey Ted that pipe looks great

Did it increase the power much? Or broaden up the powerband???

I would like to broaden up the power on my yz125
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'77 YZ125D '84 CR250RE '89 CR250RK '84 CR80RE  '09 YZ250F

Offline Ted

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Re: RM 125 B muffler
« Reply #10 on: March 15, 2013, 09:42:10 PM »
Can't answer that Paul, I haven't ridden it yet. Waiting for new forks and Ohlins shocks to be made.

Geoff Morris assures me he has done some R & D with this pipe and reckons he has got it spot on. It not only looks a treat but fits perfectly without any mods. I didn't give him much lead time to build it but he gave me a delivery date and sure as shit it turned up on that day. I would definitely use his workmanship again.
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81 YZ 465 H   77 RM 125 B

Offline Nipper

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Re: RM 125 B muffler
« Reply #11 on: March 15, 2013, 09:47:04 PM »
Ted the GMC pipe and muffler combo look great. I have a standard pipe in pretty good nick it is just the muffler I was after.But after seeing what is on your bike I like it a lot.
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Offline Ted

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Re: RM 125 B muffler
« Reply #12 on: March 15, 2013, 09:51:04 PM »
Muffler $50 plus post
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81 YZ 465 H   77 RM 125 B

Offline Paul552

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Re: RM 125 B muffler
« Reply #13 on: March 15, 2013, 09:58:22 PM »
Quote from: Ted on March 15, 2013, 09:42:10 PM
Can't answer that Paul, I haven't ridden it yet. Waiting for new forks and Ohlins shocks to be made.

Geoff Morris assures me he has done some R & D with this pipe and reckons he has got it spot on. It not only looks a treat but fits perfectly without any mods. I didn't give him much lead time to build it but he gave me a delivery date and sure as shit it turned up on that day. I would definitely use his workmanship again.


Thanks Ted

Im sold.
I'm going to order one  :)
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'77 YZ125D '84 CR250RE '89 CR250RK '84 CR80RE  '09 YZ250F

Offline Davey Crocket

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Re: RM 125 B muffler
« Reply #14 on: March 15, 2013, 10:00:01 PM »
Ted, the pipe/muffler combo works.....Qld tested and passed. ;)......that peice of garden hose under your clutch arm will let you down though......let alone the crap you'll get from everyone now..... ;D
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