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ORIGINAL Kerker exhaust 28 Jul 2011 02:12 #465458

  • bearshawk
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like the title says original with great headers, and original race baffle still intact what would something like this be worth?
1978 kz650 sr- long time project/first bike mostly gone
1979 kz659 sr- new acquisition NEXT project GONE

Both 650s combined to make one great bike! with a new powerplant

it is a 79 frame, 78 front end, both 78 wheels and brakes, 78 body work and a 80' 750-4 motor with gpz 750 cams and a kerker and...

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ORIGINAL Kerker exhaust 28 Jul 2011 02:47 #465464

  • jramsey89
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what is it for. I have a 550 with an original kerker and i have seen them (rarely) on ebay priced upwards of 400

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ORIGINAL Kerker exhaust 28 Jul 2011 02:51 #465466

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its for the 650/750 I4s i believe i have two of them now... one is real rough the one i got tonight is pristine and then i have the MAC exhaust in my avatar that will be put away now :)
1978 kz650 sr- long time project/first bike mostly gone
1979 kz659 sr- new acquisition NEXT project GONE

Both 650s combined to make one great bike! with a new powerplant

it is a 79 frame, 78 front end, both 78 wheels and brakes, 78 body work and a 80' 750-4 motor with gpz 750 cams and a kerker and...

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ORIGINAL Kerker exhaust 28 Jul 2011 02:58 #465468

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sweet. what does the emblem say on the megaphone?

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ORIGINAL Kerker exhaust 28 Jul 2011 08:48 #465487

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bearshawk wrote: ...like the title says original with great headers, and original race baffle still intact what would something like this be worth? ....its for the 650/750 I4s i believe i have two of them now... one is real rough the one i got tonight is pristine and then i have the MAC exhaust in my avatar that will be put away now :)


No such thing as "original" for those bikes. All KZ650 and KZ750 (including GpZ) models came with 4>2 pipes. Kerker would be aftermarket not original.
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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ORIGINAL Kerker exhaust 28 Jul 2011 10:47 #465501

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well thats what i meant ;) a nice aftermarket pipe with nice intact headers, the parts lot came with stock pipes in great shape as well
1978 kz650 sr- long time project/first bike mostly gone
1979 kz659 sr- new acquisition NEXT project GONE

Both 650s combined to make one great bike! with a new powerplant

it is a 79 frame, 78 front end, both 78 wheels and brakes, 78 body work and a 80' 750-4 motor with gpz 750 cams and a kerker and...

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ORIGINAL Kerker exhaust 28 Jul 2011 14:54 #465535

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that's kinda why I wondered what it said on it. my 550 has an emblem that says kawasaki by kerker, which i believe was a dealer installed item. does that sound right 650ed?

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ORIGINAL Kerker exhaust 28 Jul 2011 16:34 #465544

  • loudhvx
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It may have been an add on, but some bikes came with these, as mentioned.
I was lucky to come across one, beautiful, but I sold it.



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ORIGINAL Kerker exhaust 28 Jul 2011 16:53 #465549

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loudhvx wrote: It may have been an add on, but some bikes came with these, as mentioned.
I was lucky to come across one, beautiful, but I sold it.




Nice looking pipe; probably was a dealer install. The Kawasaki.com parts diagrams show dual pipes for all 550, 650, and 750 Z models. The pipe in your picture looks like a slip-on where it joins to the header; was it welded or clamped to the header pipe? Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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ORIGINAL Kerker exhaust 28 Jul 2011 16:57 #465550

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That particular one was never installed. It was brand new with a few handling smudges. I don't remember where I got it.

I ran across one or two on bikes that came with them, but I think they were dealer add ons, as mentioned. Like you said, the parts diagrams show duals.

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ORIGINAL Kerker exhaust 28 Jul 2011 19:38 #465565

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the one you have there looks almost exactly like the one on my 550, and I love it. Probably the best looking and sounding pipe for a 550-750 in my opinion

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ORIGINAL Kerker exhaust 29 Jul 2011 01:00 #465633

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Yeah, a friend of mine had the black version of that muffler on his gpz and it sounded mean, but not real loud. I agree, it had one of the best throaty sounds I've heard. The aluminum canister ones are a close second, if not equal.

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