79 kz400 rusty hardware

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10 Aug 2023 10:14 #888116 by ckahleer
79 kz400 rusty hardware was created by ckahleer
After carb rebuiding, gas tank and petcock cleaning, I was able to get the bike running and took it for a ride up and down the street. Bike ran well and shifted through the gears fine. So, I'm ready to move on to cosmedic issues. I'm not looking to put much money into this bike. But just get it to a decent looking every rider.
Most the chrome plated hardware is rusted. Looking for ideas on cleaning them up, or inexpensive replacements.

94 KE100
81 CM200t
82 KZ305
85 VF1100c

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10 Aug 2023 14:55 #888131 by Nerdy
Replied by Nerdy on topic 79 kz400 rusty hardware
For irregularly-shaped items like fasteners and clutch lever adjusters, I like to use a brass wire brush.

Ideally you can put a larger (5"-6") brass wire wheel in a small bench grinder type of device, but if that's not practical you can put a smaller wheel in a handheld drill and clean up parts that way. If you go the drill route, you can cut pieces of angle aluminum to make inexpensive soft jaws for your vise (so you don't damage the threads on the items you're cleaning).

Chrome is harder than brass so this won't damage the existing finish - unless corrosion has already loosened some of the chrome.

1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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10 Aug 2023 15:22 #888133 by JR
Replied by JR on topic 79 kz400 rusty hardware
Fine steel wool with WD 40


 

1980 kz750E1, Delkevic exhaust

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10 Aug 2023 16:45 #888139 by Nessism
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  • Kelly E
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  • Never Give Up. Never Surrender
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11 Aug 2023 08:09 #888175 by Kelly E
Replied by Kelly E on topic 79 kz400 rusty hardware

Evaoprust!

Evaporust, drop the rusty parts in. Come back in a day or two depending on how bad the rust is. Evaporust works best warm.
 

The Rust Bros. Garage Collection
1974 Honda CB 550 K0
1975 Honda CB 400F Super Sport
1977 Kawasaki KZ 1000 LTD
1980 Suzuki GS 1100E
1982 Honda CB 900F Super Sport
1983 Honda CB 1100F
1984 Honda Sabre 700
1984 Honda Interceptor 1000
1990 Moto Guzzi 1000
1994 Kawasaki ZG 1000 Concours

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  • sf4t7
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11 Aug 2023 09:15 #888179 by sf4t7
Replied by sf4t7 on topic 79 kz400 rusty hardware
Yes - evaporust works great.  It's reusable several times (turns darker as you use up its strength), and it's water based so you can dispose of easily.  

Scotty


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion

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  • z1kzonly
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12 Aug 2023 04:13 #888204 by z1kzonly
Replied by z1kzonly on topic 79 kz400 rusty hardware
Tried a new green product / rust remover.
Made for the "PB Blaster" People. It actually works!!
I miss my 5 Gal. bucket of phosphoric acid in crystalline form from work! I retired in 2011. Lasted me 7-8 years.  We used it in our boiler room.
Like the other's said. It turns black after it's used up.
I gathered up some old chrome  Z1 parts. A day soak, in basement. No fumes!
$27 for a gallon at the Orange-Commi-Depot store.

Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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  • sf4t7
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12 Aug 2023 12:40 #888217 by sf4t7
Replied by sf4t7 on topic 79 kz400 rusty hardware
Thanks Marty.  I'm about to soak some parts in Evaporust, I'm gonna get some of the Blaster stuff and try them side by side.  Looks like the Blaster may be better on chrome or painted parts.

Scotty


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion

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  • z1kzonly
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15 Aug 2023 06:35 #888278 by z1kzonly
Replied by z1kzonly on topic 79 kz400 rusty hardware

Thanks Marty.  I'm about to soak some parts in Evaporust, I'm gonna get some of the Blaster stuff and try them side by side.  Looks like the Blaster may be better on chrome or painted parts.

Scotty
Hi Scotty, don't put painted items in rust remover. 
 

Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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  • gd4now
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  • Denco where did you go?
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15 Aug 2023 07:00 #888280 by gd4now
Replied by gd4now on topic 79 kz400 rusty hardware
Depending upon level of rust/oxidation I have used aluminum foil and soda/pop/coke to remove light levels. 

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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