chewed up emblem screws

  • KZmarcel
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chewed up emblem screws

06 Mar 2022 19:56
#863282
Hi, I want to freshen up the emblem and maybe repaint the tank. Two of these 4 minuscule screws are chewed up.
What to do ?
drill gently ?  
I mean, it looks like pretty soft metal...



WA state, USA
1981 KZ1000 Ltd project for me
kzrider.com/forum/11-projects/617085-kz1000-full-spa#861637
1982 KZ440 Ltd project for my wife
1991 Yamaha 1200 VMax
2005 Kawasaki Vulcan 2000
1971 Buick Riviera boat-tail
2004 Jaguar XJR
1999 Dodge Ram 5.7L Magnum
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  • Elfarm98648
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Re: chewed up emblem screws

06 Mar 2022 19:58
#863283
Mine used to look like that. I just bought new ones, you can go to Home Depot and match the threads and length and use them. I got a stainless steel set for like $2. 
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  • Mikaw
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Re: chewed up emblem screws

06 Mar 2022 20:04
#863284
Left handed drill bits…
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.
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  • 750 R1
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Re: chewed up emblem screws

07 Mar 2022 00:04
#863289
I get screws like that out with my JIS screwdrivers, they grip well , Phillips head drivers cause those problems..
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  • Warren3200gt
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Re: chewed up emblem screws

07 Mar 2022 02:24
#863292
Big hammer and a crow bar behind the badge. Lol. 

Z1000J2 somewhat modified!

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  • TexasKZ
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Re: chewed up emblem screws

07 Mar 2022 04:18 - 07 Mar 2022 04:23
#863293
It would not hurt to put a couple of drops of Liquid Wrench or Kano Kroil on them each day for a few days to loosen up any rust that may have formed on the threads. I have never had a penetrant affect paint, but I would be careful anyway.
+1 on the JIS screwdriver. The proper tool is always best. In case you are unaware, even though those screws look like Phillips head, they are not. JIS screwdrivers do not come to a sharp point like Phillips heads do. The pointy head prevents the Phillips screwdriver from fully seating in JIS screws, thus often damaging the head.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
Last edit: 07 Mar 2022 04:23 by TexasKZ.
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  • ThatGPzGuy
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Re: chewed up emblem screws

07 Mar 2022 05:09
#863296
+100 on using JIS drivers. Also, those small screws are usually still available from the OEM parts vendors (partzilla, etc.) and are not expensive. I usually save those small items to order along with larger parts orders. 
Jim
North GA
2016 Yamaha FJR1300ES
1982 GPz750 R1
1974 Kawasaki H1
1976 Kawasaki KZ400
1979 Yamaha XS650 cafe'
2001 KZ1000P
2001 Yamaha YZ426
1981 Honda XR200 stroked in an '89 CR125 chassis
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"If you didn't build it, it's not really yours"
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  • hardrockminer
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Re: chewed up emblem screws

07 Mar 2022 09:01
#863305
If you've rounded the heads too badly to remove with a screwdriver you can pop the heads by drilling them.  You might even get them to come out by reversing the drill.
I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.
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  • Nerdy
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Re: chewed up emblem screws

07 Mar 2022 09:52
#863307
Take your Dremel or similar and cut a groove across the top of the screw, then you can use a common (flat) screwdriver to remove them.

The JIS screwdriver suggestion is a good one, along with replacing the screws since they are readily available and inexpensive. The Kroil/PB Blaster suggestion is good, too; just be sure that whatever you use is safe for paint.

Good luck!
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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  • JR
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Re: chewed up emblem screws

07 Mar 2022 15:52
#863329
Google "Grabit"

or if you use Amazon go there and type Grabit in the search box

 
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  • Nessism
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Re: chewed up emblem screws

07 Mar 2022 16:36 - 08 Mar 2022 04:48
#863336
Take your Dremel or similar and cut a groove across the top of the screw, then you can use a common (flat) screwdriver to remove them.

The JIS screwdriver suggestion is a good one, along with replacing the screws since they are readily available and inexpensive. The Kroil/PB Blaster suggestion is good, too; just be sure that whatever you use is safe for paint.

Good luck!

This is what I'd do.  You can get some real thin "diamond grit" dremel type blades that are ideal for this purpose off Amazon.  Harbor Freight used to sell them too, but I can't find them on the website right now, so they may be discontinued, or just not listed online.
Last edit: 08 Mar 2022 04:48 by Nessism.

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  • PoodlePuncher
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Re: chewed up emblem screws

07 Mar 2022 20:50
#863358
As mentioned earlier, left hand drill bit (reverse twitst)...

best case scenario: once the bit grabs, the screw will spin out
Worst Case Scenario: you drill off the head, and remove the screw with pliars,

IMO, every garage needs a set.
 
'75 KZ400S & '81 XS1100

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