Ebay Yoshimura exhaust- was it worth the price?

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06 May 2010 18:57 #366053 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
Then I noticed a small dent in the #4 primary tube. Seller must have overlooked disclosing that one.....hmmmmmmmm :huh:
I don't believe it will affect performance, just an asthetic drawback

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 19:00 #366056 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
Then there were 2 small pinholes in the bottom 2 primaries near the collector. Again, the seller must have accidentally overlooked disclosing that one too.....Luckily, that was the last of the "problems" not disclosed int he auction

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 19:15 #366064 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
I was AMAZED at the size of the collector/muffler tubing size. I had read it was 3",but I wasn't prepared for how BIG it would look in person :ohmy: :blink: :P

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 19:21 #366066 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
Oh yes, one more item the seller omitted- the Yoshimura emblem on the tailpipe had one pin sheared off :angry:

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 19:33 #366073 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
At least the core is in good shape. The packing was non-existant, but it was straight and complete

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 19:51 - 06 May 2010 19:53 #366079 by dutchz
Well, a lot of it is fixable and won't be very visible when mounted. The dent in the #4 is a bummer, may be difficult to pull out. You are right about the 30yr old parts, but calling that pipe in "good shape" like the seller did, is pushing it if you ask me. Been there, done that...

1974 Kawasaki Z1
Stock front hub and rear axle.
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06 May 2010 21:20 #366092 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
With regards to the dent, I believe I can weld a stud on there and use a slide hammer to pull it out......mostly :unsure:

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end

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06 May 2010 21:36 #366099 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
I was also suprised how rough the inside of the collector looked.....not that I could have done a better job :laugh:

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
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06 May 2010 21:37 #366100 by kzmk2
porchev914 wrote:

At least the core is in good shape. The packing was non-existant, but it was straight and complete


It would be interesting to try a perf tube baffle in your yoshi pipe. I did some dyno testing comparing perf tube vs louvered silencers and the found for the same size diameter a perf tube flows much better than a louvered tube. I have a Kerker KR on my MKII and built my own aluminum tail pipe. Originally I used a Yosh competion baffle, but then switched to perf tube. Seemed to have alot more power with the perf tube.

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06 May 2010 22:01 #366104 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
What does a Yosh Competition baffle look like kzmk2?

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end

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06 May 2010 22:10 #366106 by kzmk2
Looks the same as the street baffle, just larger diameter. I don't remember the diameter I would have to measure my end cap ID to know for sure. I removed the Yoshi steel end cap so I could slip the baffle into an aluminum can with aluminum end cap.

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06 May 2010 22:17 #366108 by porchev914
Replied by porchev914 on topic Ebay Yoshimura exhaust- was it worth the price?
What size perf tube did you go with, and how much louder did it get?

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end

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