Where to find Kz1000 exhaust mounting nuts with washers
- blipco
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 11:24
I bought a set (flange nuts) in a bubble pack at an auto parts chain store. I believe it was Advance. They were cheap.
"Swim against the current, even a dead fish can go with the flow"-somebody (I forget Who)
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- Mikaw
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 11:43 - 06 Jul 2021 11:44
OP is asking for OE style. They are captured spring washer nut. Flange nuts, we called them wiz nuts, those are easy. He asked for OE style.
1976 KZ 900 A4
kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
Last edit: 06 Jul 2021 11:44 by Mikaw.
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- DOHC
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 14:41Yes, that's correct. I didn't realize that the OE style captive split washers were so unusual. I figured I just wasn't looking in the right place.Mikaw post=851387OP is asking for OE style. They are captured spring washer nut. Flange nuts, we called them wiz nuts, those are easy. He asked for OE style.
Looking at the options so far, I'm considering using either a conical spring washer similar to the Ebay link Mikaw posted, or a "distorted thread flange nut".
www.mcmaster.com/91270A340/
www.mcmaster.com/3528N12/
Either that, or just regular old separate nuts and lock washers.
Dr. Gamma, where do you get your titanium fasteners?

'78 Z1-R in blue
, '78 Z1-R in black,
'78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100
My dad's '74 Z1
'00 ZRX1100
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- Dr. Gamma
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 15:27 - 06 Jul 2021 16:24
Hey DOHC the last few times I got some titanium fasteners they came from Titan-X in England. They have a few different styles of fasteners in most common sizes, and they all come drilled for safety wire. Just wish their nuts came drilled for wire. Their prices are reasonable and they ship quick from the other side of the pond!!!! There are all kinds of places now selling titanium hardware and they all are reasonable priced compared to what I used to pay for titanium fasteners 15, 20 years ago!!!!
www.titan-x.co.uk
www.titan-x.co.uk
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!
Up in the hills near Prescott, Az.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!
Up in the hills near Prescott, Az.
Last edit: 06 Jul 2021 16:24 by Dr. Gamma.
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- krazee1
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 16:10Yes, that's correct. I didn't realize that the OE style captive split washers were so unusual. I figured I just wasn't looking in the right place.Mikaw post=851387OP is asking for OE style. They are captured spring washer nut. Flange nuts, we called them wiz nuts, those are easy. He asked for OE style.
Looking at the options so far, I'm considering using either a conical spring washer similar to the Ebay link Mikaw posted, or a "distorted thread flange nut".
www.mcmaster.com/91270A340/
www.mcmaster.com/3528N12/
Either that, or just regular old separate nuts and lock washers.
Dr. Gamma, where do you get your titanium fasteners?
The captive lock washers were only for ease/speed of assembly, separate washers and nuts will look original. The high priced originals do look like they are from Johnnys Vintage Cycle, you can see the very small logo in the add. I paid kind of stupid money for a footpeg stud that had gone missing for my Z1A. Johnny was brilliant to buy up all the hardware that he did, must have known someone would want it someday!
Mike
Former M.E. at Kawasaki Motors Manufacturing, Lincoln, NE
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)
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- blipco
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 16:51OP is asking for OE style. They are captured spring washer nut. Flange nuts, we called them wiz nuts, those are easy. He asked for OE style.
Ok, my bad. Then spend the money.
"Swim against the current, even a dead fish can go with the flow"-somebody (I forget Who)
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- Mikaw
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 17:22
If you are not heart set on the OEM. Look into Fuji lock nuts and put a nice flat washer under. It will lock, clamp, but not gall up the fastened item.
1976 KZ 900 A4
kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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- DOHC
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Re: Where to find Kz1000 exhaust mounting nuts with washers
06 Jul 2021 18:20Thanks! I was going to ask about a source for that style as well, but I had no idea what to call it. Now I know.Look into Fuji lock nuts
'78 Z1-R in blue
, '78 Z1-R in black,
'78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100
My dad's '74 Z1
'00 ZRX1100
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- Rick H.
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Re: Where to find Kz1000 exhaust mounting nuts with washers
07 Jul 2021 06:36
When you have a chance check out Belmetric.com They have an incredible assorted of stuff all metric. They even have Fuji nuts in all sizes. Great place to deal with and they ship quickly. They are my go to place it I need something and can get by with non-OEM. I used Fuji nuts for several lock nut areas.
Rick H.
Rick H.
Rick H.
1977 Kawasaki KZ-1000A1
1977 Kawasaki KZ-1000A1
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- DOHC
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Re: Where to find Kz1000 exhaust mounting nuts with washers
13 Aug 2021 19:57 - 13 Aug 2021 19:58DOHC post=851424Thanks! I was going to ask about a source for that style as well, but I had no idea what to call it. Now I know.Mikaw post=851420 Look into Fuji lock nuts
I thought I'd add an update. I ordered some fuji style nuts from a place called MotoSport.
www.motosport.com/bolt-fuji-style-metric-lock-nuts?variant [BMH000S]=BMH000S-X001-Y003
They seem fine, and were not ridiculously expensive. However, it turns out the stud is not quite long enough to fully engage the lock tabs. It's close....
'78 Z1-R in blue
, '78 Z1-R in black,
'78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100
My dad's '74 Z1
'00 ZRX1100
Last edit: 13 Aug 2021 19:58 by DOHC.
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