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Author Topic: Yamaha R5C - TR3 Race Rep  (Read 3795 times)

Offline Sonreir

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Re: Yamaha R5C - TR3 Race Rep
« Reply #60 on: Mar 13, 2018, 18:57:21 »
There's a box of hardware that came with them. Looks like some springs and other stuff. Flanges are probably in there.

If they're not, will stock work?
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Offline teazer

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Re: Yamaha R5C - TR3 Race Rep
« Reply #61 on: Mar 13, 2018, 19:03:37 »
They appear to slip fit over the flange, so you will probably need a flange that bolts to the barrels that those pipes can slide over/into. 

Depending on the size of stock headers, it might be possible to chop up a set stock headers to make them work as adapters/flanges.

Those pipes look like they are straight at the front end, so the flange/adapter design would have to let them slip inside.  I see the spring end loops

All pipes seem to use Patriot brand mufflers which ironically enough are made in Mexico IIRC.  If they are Bassani, they are well worth keeping. Send me dimensions and I can see what MOTA has to say about them
« Last Edit: Mar 13, 2018, 19:09:05 by teazer »

Offline jpmobius

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Re: Yamaha R5C - TR3 Race Rep
« Reply #62 on: Mar 13, 2018, 20:36:51 »
  If they are Bassani, they are well worth keeping. Send me dimensions and I can see what MOTA has to say about them

Those aren't Bassani, but if you DO run across a set, they are indeed worth getting.  Far from the best looking, but they're rare and work excellently with the stock(ish) porting.
Mobius


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Offline der_nanno

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Re: Yamaha R5C - TR3 Race Rep
« Reply #63 on: Mar 14, 2018, 04:05:29 »
Just from eyeballing them, they should work even with a relatively stock motor, but the short mid-section suggests, that this one will make rather high-up in the range, i.e. at around the 5-digit mark, which for the intended purpose of this bike sounds rather good to me.
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Offline Sonreir

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Re: Yamaha R5C - TR3 Race Rep
« Reply #64 on: Mar 14, 2018, 11:15:18 »
Send me dimensions and I can see what MOTA has to say about them

May I please get a run-through of what I'm meant to be measuring? Not sure which dimensions are the meaningful ones.
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Offline teazer

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Re: Yamaha R5C - TR3 Race Rep
« Reply #65 on: Mar 14, 2018, 12:30:00 »
Length and diameter of each section close to the center line i.e. half way round where there there's a change in angle

http://www.tz350.net/images/dyno_and_misc/r5_to_tr3_ex_chamber.jpg

http://dragonfly75.com/motorbike/images/ExpChamber.jpg

Offline Sonreir

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Re: Yamaha R5C - TR3 Race Rep
« Reply #66 on: Mar 14, 2018, 12:33:04 »
Thank you, sir!
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Offline clem

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Re: Yamaha R5C - TR3 Race Rep
« Reply #67 on: Mar 14, 2018, 20:12:25 »
Looks like DG to me. Early set.

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Offline Uglyrabbit

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Re: Yamaha R5C - TR3 Race Rep
« Reply #68 on: Mar 15, 2018, 18:31:18 »
Nice project. I’m jealous

Offline Sonreir

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Re: Yamaha R5C - TR3 Race Rep
« Reply #69 on: Mar 19, 2018, 15:42:11 »
Here're the numbers on the inside of the forks.

ZX600?
« Last Edit: Mar 19, 2018, 16:23:04 by Sonreir »
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Audaces fortuna iuvat.

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1976 Puch Maxi - APuchalypse Now
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DTT Red, White, and/or Black 360 Club - Better than those Blue guys