The Leviathan Project
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Got some new grips and sorted some other niggles out.
Running sweet as a nut niw.
This pipe packs a punch and sounds the tits full chat.
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@Calum COOL pic. They reckon with the Aprila MX 125, if you swap the exhaust for the RS under slung pipe you get an extra 2hp, maybe the DT receives the same benefit???
@NINJA I had a handmade underslung pipe from Romeu on my DTR and wow it made a difference once she was jetted correctly!! Couldnt tell you BHP wise but it certainly made a huge difference, absolute flier! And as poster said, sounds THE tits!
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i have romeu henriques pipe too on my dtx and its amazing the sound!
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Wrap around exhausts are a compromise for clearance. This would be no good off road, but designed to be performant.
Jetting wise, on my vhsa, it's a tad lean. Breaking up in the mid range before it comes on pipe. Compare that to the dep pipe same setup, it was far too rich. So it is definitely utilising the fuel better.
Always Originate, Never Pirate!
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Wrap around exhausts are a compromise for clearance. This would be no good off road, but designed to be performant.
Jetting wise, on my vhsa, it's a tad lean. Breaking up in the mid range before it comes on pipe. Compare that to the dep pipe same setup, it was far too rich. So it is definitely utilising the fuel better.
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@NINJA Yeah I like that. Is that the rear reservoir cause everything else is non-standard...
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@NINJA Yeah I like that. Is that the rear reservoir cause everything else is non-standard...
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@NINJA Yeah it's a Romeu pipe. Bought it years and years ago. 2012 I think. With a Jolly Moto silencer.
@Calum I thought so, I was just looking it up on ebay;
I spotted this MX on the web with an RS pipe fitted to it and the dude reckons it adds 9Bhp to the 122 lump!!!
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A good pipe will make or break a two stroke.
Pipes have such a varied affect.
I won't rule it out, although 9 is extreme!
You can get 9 BHP more, but the Power Curve would be like J (Nothing nothing Nothing ohh power change).
Or get a pipe where it's powerband is more well rounded.
A wrap around exhaust is a huge compromise in performance. It's designed for clearance, not performance in mind. And underslung really releases that last part of the performance, at the expense of clearance.
But it's a stylistic choice that not everyone wants. I like it, it suits me as I dont' do, or plan on doing, offroading.
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on my dtx i have romeu inox pipe too. i guess here in portugal, he is the best making them for dtr/x
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A good pipe will make or break a two stroke.
Pipes have such a varied affect.
I won't rule it out, although 9 is extreme!
You can get 9 BHP more, but the Power Curve would be like J (Nothing nothing Nothing ohh power change).
Or get a pipe where it's powerband is more well rounded.
A wrap around exhaust is a huge compromise in performance. It's designed for clearance, not performance in mind. And underslung really releases that last part of the performance, at the expense of clearance.
But it's a stylistic choice that not everyone wants. I like it, it suits me as I dont' do, or plan on doing, offroading.
@Calum That's a Jollymoto pipe, which is very similar to Romeu's own version. It is a very unique look for-sure, the RS pipe tucks under pretty nicely tho, so it's not a total eyesore. This may be a future mod for my MX, along with other planned upgrades. The owner had other mods on it, here's his gibberish;
"my 41 bhp mx 125 its been tuned by 55cctuning.com they have dun all the dyno work all the tuning the beggest power mod was the jollymoto pipe off a rs 125 it gave it 9 bhp just from the pipe it was 26 bhp when i got it.the pipe made it 35 hp then i got 34 carb- racing piston-racing reeds-twinair air fliter-bigger jets that gave it 6 bhp its very fast for a 125 it run 14.flat at york dragway with a 4.9 0/60"
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Just a note for myself in the future.
Front Master Cylinder 2002 RSV Mille
Front Forks WR250F 2003 Kayaba 46mmThat's the problem when you go custom, can't remember where half this stuff is from
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Meanwhile on this project...
I have been enjoying the Athena kit so much I thought it would benefit from a mild port.
Off to Mick (who seemingly loves to chat about smokers on company time
) with the requirements.
In this instance I specifically didn't want the exhaust port raised, in essence the Athena kits power deliver is precisely where I want it. But the transfers, exhaust and powervalve did want a touch up.
Since the exhaust port wasn't raised I didn't need any work done to the head.
New piston, rings and gaskets ordered and I will endeavour to smash this on once that arrives, PJME said they are awaiting restock towards the end of this month.
All in all looks like a good job, but this is a VERY mild port for good reason. I have the RS for that screaming power delivery and I just didn't quite enjoy the peaky power of the ported 3MB once I had the RS and Cagiva.
Always Originate, Never Pirate!
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