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New Petcock 13 Feb 2021 16:55 #843447

  • rstnick
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The one in your link has 46mm spacing between mounting bolts.
The 650's is 44mm.

I bought one of these manual petcocks for my '78 KZ650 C2.
Haven't installed it yet, will in the Spring when I fire her up again.
Not the best looking fuel valve, but works well as confirmed by another 650 rider.
It goes on reserve much earlier though I hear.

Rob.
CANADA
forums.kz650.info/
'78 KZ650 C2, 128K kms, Rickman fairing, Delkevic ex, EI, CVK32, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel.
'00 ZRX1100, Ohlin's shocks, fork brace, steering damper, ELS +4, Corbin seat, Gimbel bugspoiler.
'11 Ninja 250R

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New Petcock 14 Feb 2021 06:39 #843458

  • martin_csr
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Vacuum petcocks.
Z1Enterprises.com should have a Suzuki petcock that will work. assuming they still carry it.
For OEM a KZ1000P petcock should work. I'm pretty sure it's 44mm, but ask before buying.

82-2001 www.partzilla.com/product/kawasaki/51023...1d5e2841c7787bef24b#

2002-05 www.partzilla.com/product/kawasaki/51023...f6d6d107f30cbf4662c#

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Last edit: by martin_csr.

New Petcock 14 Feb 2021 07:10 #843460

  • ghostdive
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I would go with the Tour Max petcock linked earlier, or something similar - I'm sure your mounting hole spacing is 44mm.

EDIT: I wouldn't go too cheap on this though. I've tried a couple $15 ebay taps and they may as well have been sieves.
1982 KZ750 Spectre - Dyna 2.2 coils + 8mm wires, WG coil relay, SH775 R/R, Mikuni BS34s - 40P/122.5M, Progressive fork springs/KZ900 rear shocks, Vance & Hines 4-1

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Last edit: by ghostdive. Reason: Clarification.

New Petcock 14 Feb 2021 07:54 #843462

  • SWest
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I combined the two threads.
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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New Petcock 14 Feb 2021 10:14 #843466

  • xstreamcanadian
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Yeah I was wondering about that. I bought the rebuild kit and its all new, so no reason it wont work. Found the port between the #1 and #2 carb meant for the line to the petcock, according to the internets. Im going to try it and see. I was also wondering can you just remove the diaphragm part and plug the input port? Probably. Either way, going stock, to see what happens. Also replaced my cam cover gasket yesterday, my shop is -4 Celsius right now so that sucked.

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New Petcock 19 May 2021 18:05 #848750

  • rstnick
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The one in your link has 46mm spacing between mounting bolts.
The 650's is 44mm.

I bought one of these manual petcocks for my '78 KZ650 C2.
Haven't installed it yet, will in the Spring when I fire her up again.
Not the best looking fuel valve, but works well as confirmed by another 650 rider.
It goes on reserve much earlier though I hear.

 

EDIT: This petcock has failed on me.
At just under 500 KMs, when set to ON, it barley flows.
When set to OFF, it constantly drips.
The lever is getting hard to turn.
Ethanol in the gas may be a contributing factor.
Haven't taken apart the petcock yet.
Rob.
CANADA
forums.kz650.info/
'78 KZ650 C2, 128K kms, Rickman fairing, Delkevic ex, EI, CVK32, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel.
'00 ZRX1100, Ohlin's shocks, fork brace, steering damper, ELS +4, Corbin seat, Gimbel bugspoiler.
'11 Ninja 250R

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