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Post Info TOPIC: 4DL TZR Engine Unmaintained!
NEV


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RE: 4DL TZR Engine Unmaintained!
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Personally if hes not sent it yet, ask him just to tack weld it at that first bend, it looks like he's not seam welded it yet anyway, just incase you need to do what I did, then if you need to break the tacks, rotate it but put a couple of chalk marks on it so as the bloke welding it back up can see where it has to line up.

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How far out was yours. Because even though that dep didn't fit correctly it was only by a few mm. Not worth cutting the dep open to correct. Just wanted a different mounting point.

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RS125-ARROW-END-CAN-KIT-2009.jpg

Thinking this for the end can.

 

 



-- Edited by Calum122 on Monday 17th of February 2014 07:50:23 PM

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NEV


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Nah trust me if I could have pulled it in by bending it I would have done, it ran out a fair bit, but being a plater/ welder by trade I have all the welding gear here, stick is too fierce and even with small rods I had a job blobbing it, I'm getting a bottle of oxygen re-filled soon then I'll gas weld it up. You've got that one there at a good price anyroad,
Probably take a full day to make, basic lobsterback development that. I used to do similar but much much bigger for ducting.

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Well that is slightly disapointing to hear to be fair. I'm no welder and I was hoping perhaps too optimistically to use this pipe.

Either way I've still got choices. I can always have another one made up and this one will fetch a good sum of money being only one of a few around england.

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NEV


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Not saying it won't be any good, but interesting as to what exhaust he's based it on, it could be a pattern Scalvini, for all I know.

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It's a bespoke underslung for the DT engine made by a tuner over in Porto Nevwin...hand made to your spec and material choices etc.

If i was gonna have any zaust i'd have one of these or get mick or someone similar to hand make one, don't see how anything else on the market can compete with a hand made underlung that's been designed over years of poro guys fettling with Dt engines...

They all seem to use them on the 100's of vids i've seen over the years, so they must be the best exhaust possible for power gains.

 



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Was hoping to have a bit more optimism about it. 

17DC896A-9147-4558-AC17-819BF271B5B8_zpsuq7ndzhr.png

 

 

E11B5A73-40F4-4AA4-A3BB-8F8D419E0000_zpspg1329bv.png

 

 



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Energized wrote:

It's a bespoke underslung for the DT engine made by a tuner over in Porto Nevwin...hand made to your spec and material choices etc.

If i was gonna have any zaust i'd have one of these or get mick or someone similar to hand make one, don't see how anything else on the market can compete with a hand made underlung that's been designed over years of poro guys fettling with Dt engines...

They all seem to use them on the 100's of vids i've seen over the years, so they must be the best exhaust possible for power gains.

 


 

 

Thank you enny. A bit more what I was hoping. :)



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NEV


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Aye Enny with most of the Portuguese using the older type lc's without powervalves, different ball game to the DTR's

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It'll look good though NEV. please say something nice.

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NEV


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lol bless Cal, it will look the dogs mate honest, it's just that when your engine is in the frame just try banging on your DEP first, you'll be surprised, I know I was, and even though bloke has offered to make me an underslung race exhaust, up near Bradford way I reckon I'm sticking with the DEP, started mine up yesterday, it really wants to pull itself off the stand, plus the 2 inch spark shooting out off the left hand magneto bolt looks impressive too, gawd knows what that's about, am hoping I put a too long a bolt in there,and it's arcing somehow.

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Just after something a bit different.

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them reeds are to long ther over the end of the cage they will flutter open with back presure trim then down on the ends had some 1 else with that problem insted of the back pressure holding them shut on the rubber cage the back presure was lifting them up cal....
Calum122 wrote:

Posty is on it like sonic. Carbon reeds completes more of the engine. 

 

 

9E8BBE5C-8AE2-4CCF-AD90-E184235AE879_zpstguujkbc.jpg

 

So that will also take the 32mm carb. 4dl intake. 

 

8E043935-FC04-43FC-92D9-F91E795A8AAB_zpsedypsm9e.jpg



-- Edited by Calum122 on Friday 27th of December 2013 06:26:12 PM


 



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NEV


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Fair play to ya. that's what it's all about,

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LEGEND!

Thanks NORFE! Really appreciate that. They're not for a 4DL so that is probably the problem. I have the originals so I'll sort that out.

Thanks for checking that mate. I could have been scratching mu head for hours trying to figure that one out!

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just trim them down cal i just cut them with scissors no problem had to trim loads down over th years,,new carbon trimmed 1 will be better than used just take a bit off at a timeif u over lay the oem 1s on the cf 1s ull see what i mean they will be bout 2-3 mm longer

 



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Sound cheers mate.

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it's always good to wet and dry the rough edges on the reeds

they'll last longer too

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NEV wrote:

Nah trust me if I could have pulled it in by bending it I would have done, it ran out a fair bit, but being a plater/ welder by trade I have all the welding gear here, stick is too fierce and even with small rods I had a job blobbing it, I'm getting a bottle of oxygen re-filled soon then I'll gas weld it up. You've got that one there at a good price anyroad,
Probably take a full day to make, basic lobsterback development that. I used to do similar but much much bigger for ducting.


 The flange at the end isn't welded on mate. So you might be able to move the pipe into a better position then lock it down with the flange.

 

Must say he's done a really nice job on it. It looks wicked.

 

Also I messaged him thanking him and he sent me over some maps for my zeeltronic to try with the new pipe. Really nice chap. Excellent English too! He linked me to his page and he's got some lovely two smokes on his background.

 

Aprilia RS125

Yamaha TZR

Yamaha DT125R with USD's and Aprilia Wheels. Hhhmm Sound familiar lol



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Calum122 wrote:

My new pipe...

 

wp8a.jpg


 Nice! Sounds like a bargain cal. Where did you get it?



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Portugal just over a week turnarounf including making it and then getting it.

Will look to fit it tonight. Play around with the maps saturday before taking it out for a blast.

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Are the maps from him much different to boruts cal? I do like the underslug the only thing thats puttin me off is i think it would be trashed of even a small fall on the right hand side. Or do you reckon it will fit quite snug to the bike? Also are they stainless steel ?

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1DOWN5UP wrote:

Are the maps from him much different to boruts cal? I do like the underslug the only thing thats puttin me off is i think it would be trashed of even a small fall on the right hand side. Or do you reckon it will fit quite snug to the bike? Also are they stainless steel ?


 It's stainless Steel

 

ygah.jpg

 

 

I'd imagine you don't want to fall off with this thing on. I don't do much of that. It'll be just my luck that I will now but that's life I suppose. Could just as much damage the DEP with how weak they are.

 

rpm: 1000 2000 3500 4500 5500 6500 7500 8000 10000 10500 11000 12000

Advance: 20 28 28 25 13 12 25 27 18 14 10 7


Definitely different. Maybe not by much, He said it's to match the pipe. So won't be great on a DEP I'd imagine.

 

It's because the underslung raises the peak RPM HP so you need to compensate with the ignition.

Tomorrow cannot come quick enough I tell thee lmao!



-- Edited by Calum122 on Friday 21st of February 2014 01:11:06 PM

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I like it. I like A LOT! 

 

9D888BDC-5DCF-4BAB-9D15-687522992A0C_zpsstiwawjj.jpg

 

 

Just need an end can and it'll be good to go. Cause the Dep isa no go...

 

B9DB910B-FAEB-4319-A7DF-89C5BFC7E7D6_zpsulsjfi33.jpg



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lol that dep

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Yeh that end can is going to need some modding lol

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Yeah looks sweet! You gonna get custom silencer made up? A nice snakey stinger up to the grab rail!

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Thinking a Jolly Moto end can

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i like it mate...looks very nice!

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