Dutchz Z1 road burner - new stuff

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01 Jun 2010 22:22 #372756 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
back angle:

1974 Kawasaki Z1
Stock front hub and rear axle.
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01 Jun 2010 22:23 #372757 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
top view:

1974 Kawasaki Z1
Stock front hub and rear axle.
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  • larrycavan
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02 Jun 2010 04:14 #372776 by larrycavan
Replied by larrycavan on topic Dutchz Z1 road burner - new stuff
dutchz wrote:

Thanks Larry, I am really happy with the way it turned out, transitions look nice and smooth, no sharp kinks. Now let's hope it works the way I intended!


Is that a reversion cone you also purchased on the end or is that part of the baffle?

Will be interesting to see what the torqe curve looks like ;)

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02 Jun 2010 04:20 #372777 by Old Man Rock
Replied by Old Man Rock on topic Dutchz Z1 road burner - new stuff
Just love that pipe.... B) When you going into full production? :laugh: :laugh: :laugh:

Damn Kawasaki had to put the oil filter/drain right in the way.... :angry: :laugh:

Keep them images coming Dutchz... :woohoo:

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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02 Jun 2010 08:58 #372821 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
larrycavan wrote:

dutchz wrote:
Is that a reversion cone you also purchased on the end or is that part of the baffle?

Will be interesting to see what the torqe curve looks like ;)


Yeah I can't wait Larry. Maybe I didn't need new carburetors after all :blink:

That's part of the race baffle. It's frikkin huge. The core sits flush with the pipe ID at the first bend, so it will not cut down flow (or noise :laugh: ) by much. Never recorded audio but will try to get a sound clip.

1974 Kawasaki Z1
Stock front hub and rear axle.

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02 Jun 2010 09:19 #372827 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
Old Man Rock wrote:

Just love that pipe.... B) When you going into full production? :laugh: :laugh: :laugh:

Damn Kawasaki had to put the oil filter/drain right in the way.... :angry: :laugh:

Keep them images coming Dutchz... :woohoo:


Thanks Dave. You know it... I installed the APE low pro plug/filter, that gained me some clearance and will keep it from denting at the top.
I am used to taking my Yosh off when changing oil, no big deal. At least this pipe doesn't use those pesky half moon collars!

I'm going to take it off and get it ceramic coated black. Almost a shame to see the welds go but the primaries are old and pitted and will not look so sexy in the raw :laugh:

Full production? Funny you should say that. I wish... I would gladly offer it up for reproduction down the line. I actually thought about it since it would be nice to have a backup. If MAC ever wants to do a race pipe... It even uses the Kerker baffles they already sell. But I don't know if a US mfg would be interested as it will not fit a stock bike with passenger mounts intact, and a large chunk of the market does not want to cut their frame. On the other hand there are quite a few Japanese mfg that make race pipes and they do not seem to be short of takers.

1974 Kawasaki Z1
Stock front hub and rear axle.

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04 Jun 2010 17:03 - 04 Jun 2010 17:07 #373480 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
I made the battery box and mounted the discs on the bike. Came out sweet with a little more than 1/8" clearance between the bolt heads and the fork legs. The header is off to the powder coater for ceramic coating. Now on to the caliper brackets...

1974 Kawasaki Z1
Stock front hub and rear axle.
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Last edit: 04 Jun 2010 17:07 by dutchz.

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  • porchev914
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  • Whats that? Half of my swingarm is missing?!?!?
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04 Jun 2010 19:41 - 04 Jun 2010 19:42 #373535 by porchev914
Replied by porchev914 on topic Dutchz Z1 road burner - new stuff
OOOOOH, that looks sexy man! What color coating are you going with on the exhaust?

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end
Last edit: 04 Jun 2010 19:42 by porchev914.

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05 Jun 2010 00:54 #373581 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
Satin black. Are there any other colors? :laugh: i think that's the only color that would look right.

1974 Kawasaki Z1
Stock front hub and rear axle.

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  • porchev914
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  • Whats that? Half of my swingarm is missing?!?!?
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05 Jun 2010 13:17 #373706 by porchev914
Replied by porchev914 on topic Dutchz Z1 road burner - new stuff
I agree, satin black would look the best. I had never seen a satin black ceramic coating until I saw supercharged's Pridmore replica. Until then I had only ever seen the silver ceramic coating, thats why I asked B)

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

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07 Jun 2010 18:07 #374227 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
Got ya, it was the other way around for me :laugh: I should have it back before the weekend.

Hey I need some opinions! I came to the realization that the half fairing we are making for it is a few months from getting finished - our Bonneville race season is in full swing so we won't have a lot of time until fall.

Soon as I get the brakes done I wanna ride this thing so I was thinking of doing a quick-n-dirty number plate. It will mount to the same fairing mount with a shorter bracket, same offset headlight, so it will be an easy swap with the fairing. I did a quick mock up, what do you guys think?

1974 Kawasaki Z1
Stock front hub and rear axle.
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07 Jun 2010 18:08 #374228 by dutchz
Replied by dutchz on topic Dutchz Z1 road burner - new stuff
another angle

1974 Kawasaki Z1
Stock front hub and rear axle.
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