2016 yz125 exhaust

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7/28/2016 4:09 PM

So I have a all stock yz125. it has 10 hours on it, and im planning on getting a after market complete exhaust. Performance is not really a problem, I got enough power with the stock exhaust. So what Im looking for is that good ear porn two stroke sound, that you wont quite get with the stock pipe. So should I go for FMF, Pro Circuit or some other brand that i havent heard of? I dont care about the loudness (ofcourse I dont want a quiet bike), but there is no sound checks or anything where i race. Also, if you own one of these pipes on a 125, what did you do to the jetting? Thanks for any answer :D

The Smoking Section

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7/28/2016 10:02 PM

Cant recommend a pipe as the stock always worked great on my 125, I will add that a muffler repack can bring a more crisp sound.

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There's something happening here, what it is ain't exactly clear.

7/28/2016 10:06 PM

ledger wrote:

Cant recommend a pipe as the stock always worked great on my 125, I will add that a muffler repack can bring a more crisp ...more

Alright, thanks. smile

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7/29/2016 7:15 AM

If you are looking for your bike to have a more aggressive sound you can't go wrong with a pro circuit. True to their name they produce that "factory sound" you are looking for. I have had both FMF and Pro Circuit silencers on my bike and in my opinion the sound of the pro circuit is both louder and a little more crisp.
For a stock YZ I would pick the regular r304 silencer over the r304 shorty but you can't go wrong with either one. Anyways that's just my two cents hope it helps you decide.

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7/29/2016 7:27 AM

b_kowalsk wrote:

If you are looking for your bike to have a more aggressive sound you can't go wrong with a pro circuit. True to their name ...more

I agree with this. I have a PC pipe and went with the shorty. I took the shorty off and went back to the stock silencer but still didnt like how soggy it was down low.

I threw on a Vforce and It seemed to rev a bit more on top so I went back to the shorty and I'm pretty happy with the package for tighter tracks with alot of corners. I'm considering picking up a the r304 so I can pick up a bit more over rev on faster tracks. I get complements on how good the bike sounds so take that for what its worth.

Hope that helps and good luck!

Oh and this is on an 05 YZ125, pretty much the same machine motorwise.

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7/29/2016 8:56 AM

b_kowalsk wrote:

If you are looking for your bike to have a more aggressive sound you can't go wrong with a pro circuit. True to their name ...more

Frodad78 wrote:

I agree with this. I have a PC pipe and went with the shorty. I took the shorty off and went back to the stock silencer but ...more

Thanks guys! smile When you say "regular r304" do you mean the 304 without the R in it? The only R304 i can find is a shorty tongue. Also, do you have the actual pipe too? If so, do you have the platinum or the works? Im not sure if there is a difference in power, but is there a difference on maintaining it? i dont want a rusty ass looking pipe..

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7/29/2016 9:40 AM

rippinruts wrote:

Thanks guys! smile When you say "regular r304" do you mean the 304 without the R in it? The only R304 i can find is a shorty tongue. ...more

Yeah whatever 304 silencer that isn't the SHORTY is the one you want. Its a bit longer. I'm running the Works pipe, natural finish. I keep it clean with WD40, take it off when I do a top end and clean it real good with Naval Jelly. Its the same pipe as the platinum, just has a different finish. I just love the look of the works pipe, reminds me of the old factory bikes. The Platinum pipes are easy care, just watch you don't order the Platinum 2 pipe, thats the offroad version.

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7/29/2016 9:41 AM

My Bad the R-304 is definitely the shorty. You want just the 304. Just checked the PC website, sorry about that.

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7/29/2016 12:30 PM

Frodad78 wrote:

My Bad the R-304 is definitely the shorty. You want just the 304. Just checked the PC website, sorry about that.

Thanks alot! smile But I just gotta make sure of some things. 1. when u said you clean it very good when you work on the top end, do you mean you clean the inside of it? Not sure if that is something you do, I never did it. 2. The silencer we are talking about is called "Pro Circuit - 2-stroke Std 304 Stainless Silencer - Yamaha" on BTO Sports.com. On pro circuit`s website it doesnt have Std in the name. Is it the same one you think? 3. Do you think the small dents that comes from rocks are more visible on the Platinum pipe cause of the "shiny-ness"? If so, im getting the works pipe. Because i dont have alot of money and this is probably the only pipe I will buy. smile Thanks for your good answers, it pops up new questions in my head all the time haha, but I think this is all I need to know.. smile

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7/29/2016 2:19 PM

I just checked BTO, yeah thats the one you are looking for. I'm not sure about the dents, I actually think the works pipes might dent a little easier because they aren't nickle plated but I can't say for sure. When I take the pipe off to clean it I just do the outside. Even if you keep up on it after everyride with WD40 there will be spots that you can't reach. Naval Jelly strips all the rust off, its a little toxic so wear gloves. It will take it down to bare metal.

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7/29/2016 2:38 PM

Frodad78 wrote:

I just checked BTO, yeah thats the one you are looking for. I'm not sure about the dents, I actually think the works pipes ...more

Thanks so much for you time. I will be getting the 304 silencer, and i will think about the platinum or the works pipe. but it will be pro circuit for sure wink

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7/31/2016 11:19 AM

rippinruts wrote:

Thanks so much for you time. I will be getting the 304 silencer, and i will think about the platinum or the works pipe. but it ...more

You could also call your local dealer and order a HGS pipe + silencer. Sounds great and has really good performance.

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#1
KX125

7/31/2016 2:17 PM

Frodad78 wrote:

I just checked BTO, yeah thats the one you are looking for. I'm not sure about the dents, I actually think the works pipes ...more

rippinruts wrote:

Thanks so much for you time. I will be getting the 304 silencer, and i will think about the platinum or the works pipe. but it ...more

HenryA wrote:

You could also call your local dealer and order a HGS pipe + silencer. Sounds great and has really good performance.

Yes I had the HGS pipe without the silencer on my 2014 yz125, but that is just because i bent my stock pipe and i got the HGS pipe for free (used). Ordering Pro Circuit from USA would cost me 505$ in total (including taxes and shipping).
And ordering HGS from agmshop which is my local dealer would cost me 506$ (including taxes, not shipping).
So im not really sure, I think i will go for Pro Circuit just because its more known and looks good haha. smile

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7/31/2016 2:40 PM

Or DEP.

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7/31/2016 10:47 PM

rippinruts wrote:

Thanks so much for you time. I will be getting the 304 silencer, and i will think about the platinum or the works pipe. but it ...more

HenryA wrote:

You could also call your local dealer and order a HGS pipe + silencer. Sounds great and has really good performance.

rippinruts wrote:

Yes I had the HGS pipe without the silencer on my 2014 yz125, but that is just because i bent my stock pipe and i got the HGS ...more

HGS makes the best YZ pipe period. Call Ralf at TM Racing.

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8/1/2016 9:42 AM

What is the power delivery like on the HGS pipe?

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8/1/2016 10:02 AM

Frodad78 wrote:

What is the power delivery like on the HGS pipe?

Better bottom and mid with more over-rev than other pipes. If I didn't go with HGS I would go with Bills. They use HGS as the benchmark.

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8/1/2016 11:40 AM

Frodad78 wrote:

What is the power delivery like on the HGS pipe?

brocsdad wrote:

Better bottom and mid with more over-rev than other pipes. If I didn't go with HGS I would go with Bills. They use HGS as the ...more

Sound like the perfect pipe! I'll have to look into it, thanks for the info.

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8/1/2016 11:45 AM

I was having a conversation with a friend the other day about 2 stroke pipes. I was wondering if brands like FMF and PC have kept up the R&D on their 2 stroke line? The big money is obviously in 4 stroke exhaust, I see what those guy pay. With that being said it makes sense that HGS would build a better pipe if they are currently trying to improve their 2 stroke pipes.

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8/1/2016 5:28 PM

HGS is what most people in Norway use, but i guess that is just because it is easier to get. FMF and Pro Circuit has to be ordered from USA. I have been looking at some videos of bills pipes, also their segment in Moto 7. They look pretty good, and I really want that cone look, but its +125$ and the pipe is expensive enough as it is tongue

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8/2/2016 1:01 PM

stock pipe, r304 silencer

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8/13/2016 9:35 AM

adam8781 wrote:

stock pipe, r304 silencer

Was looking at this same setup how do you like it? Rejet? Thanks!

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"Asking this question here is analogous to going to a KrispyKreme store and asking the patrons if you should have a doughnut."-NotCore

8/13/2016 11:29 PM

fmf is shrill,

pc r304
pc 304
bills

all sound amazing, its pretty hard to beat the stock pipe but pc and bills are my top choice for pipes

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8/14/2016 7:17 AM

rippinruts wrote:

So I have a all stock yz125. it has 10 hours on it, and im planning on getting a after market complete exhaust. Performance is ...more

To be dead honest with you the absolute best pipe/silencer combo for a yz 125 is bone stoke, but just modifying the silencer a little bit, I say this with lots and lots of experience being around the old factory yz 125s of the Yamaha of Troy days, keep the stock pipe and cut the stock silencer down 5 inches re rivet it together with Yamaha packing, a set of force reeds and jet it properly and it will absolutely scream!!!

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8/14/2016 12:37 PM

mcbridemxwrench wrote:

To be dead honest with you the absolute best pipe/silencer combo for a yz 125 is bone stoke, but just modifying the silencer a ...more

Yep, I love the stock pipe, planned on keeping it ugliness and all, but heard the bike does improve with a shorty silencer, ordered a pc r304, wanted to get guys opinions on it. Thanks!

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"Asking this question here is analogous to going to a KrispyKreme store and asking the patrons if you should have a doughnut."-NotCore

8/15/2016 2:21 AM

rippinruts wrote:

So I have a all stock yz125. it has 10 hours on it, and im planning on getting a after market complete exhaust. Performance is ...more

mcbridemxwrench wrote:

To be dead honest with you the absolute best pipe/silencer combo for a yz 125 is bone stoke, but just modifying the silencer a ...more

usafwx wrote:

Yep, I love the stock pipe, planned on keeping it ugliness and all, but heard the bike does improve with a shorty silencer, ...more

If you want to pretty up the stock pipe here is mine after using an angle grinder with wire brush attachment. Just use inox to keep the rust off, works better than wd40Photo

Photo

Photo

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8/15/2016 4:00 AM

I saw this picture of Pingree`s YZ125 that he used in the Dream Race at Washougal. This has a HGS pipe (not sure about the silencer, but i guess its HGS?). Im from 99, and I dont know what factory rides used back in the late 80`s/early 90`s. So I dont know if he used HGS on it for the full retro look, or the power. Anyways here`s the picture. And btw, that "modified" stock pipe looks pretty good smilePhoto

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8/15/2016 7:07 AM
Edited Date/Time: 8/15/2016 7:08 AM

rippinruts wrote:

I saw this picture of Pingree`s YZ125 that he used in the Dream Race at Washougal. This has a HGS pipe (not sure about the ...more

Looks like a BUD HGS with a BUD Carbon Silencer. They did not run HGS on the factory Yamahas.

https://www.budracing-usa.com/us/carbon-silencer-bud-racing-2-stroke.html

https://www.budracing-usa.com/us/factory-pipe-bud-racing.html

Pretty sure that the BUD HGS is a HGS pipe with an additional BUD stamp on it.

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#1
KX125

3/5/2018 12:03 AM

PC Factory sound 304, best sounding and performing silencer on a yz125 Imo! Shorty does not rev out like the slightly longer 304 factory sound.

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3/6/2018 2:37 PM

I had great luck with this setup on my '05 YZ125 (practically the same bike):

FMF Fatty pipe / Shorty silencer
V-Force reeds
ported cylinder / milled head
Jetted spot-on for my altitude.

That bike didn't even bark... it "Ark"ed. No "Bah" at all.

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