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Budget JIS Screwdriver Tips 28 Jun 2012 09:04 #532335

  • 650ed
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Do not even try to use Phillips screwdrivers on the Kawasaki cross head screws. Despite their appearance they are not Phillips screws. They are Japanese Industrial Standard (JIS) screws. The tips of Phillips screwdrivers are too long & pointed to allow the 4 blades of the screwdriver to properly engage the screws, so when you apply force the screw head slots will deform and look like crap. Here’s the good news – you can easily modify standard Phillips screwdriver tips to fit the JIS screws.

I have ground down the tips of DeWalt #2 and DeWalt #3 Phillips to make them fit JIS screws. The large crosshead screws on the cases take modified #3 bits (or genuine #3 JIS bits). To modify the DeWalt bits you need to grind the very tip a little, then test fit, then grind a little more and test fit, etc. until the bit no longer “rocks” back and forth in the screwhead. The first picture below shows how a DeWalt #3 bit fits the case screws of my KZ650 after being ground properly. The #2 DeWalt bits can be modified the same way to fit smaller JIS screws. The second and third pictures below shows DeWalt # 2 and # 3 modified bits.

I did find a place that sells authentic JIS bits. They don’t list the #3 bit, but if you contact them they can provide the #3 JIS bits even though they are not listed on the website. These folks were very easy to work with, and the authentic bits do work great. Here’s their site:

www.rjrcooltools.com/shop_item_detail.cfm?subcat_ID=89

Pictures 4 & 5 below show a comparison between my home made modified bits with the authentic JIS bits.

PICTURE 1

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PICTURE 2

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PICTURE 3

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PICTURE 4

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PICTURE 5

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1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
The following user(s) said Thank You: Mcdroid, fxdl2051, Britbiker, Luckie1, CoN2389

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Budget JIS Screwdriver Tips 28 Jun 2012 09:18 #532336

  • P21
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thanks 650ed i will have to dig out my old motorcycle impact tool and and look at the bits

this old girl always worked great maybe real deal from my motorcross days

and 650ed you have a real nice clean bike there as i would say a one off.

thanks for the info.
Kawasaki KZ 1000 Police (2002) P21

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Budget JIS Screwdriver Tips 28 Jun 2012 17:20 #532419

  • mtkawboy
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Ames supply and ikaswebshop.com also sells the screw drivers
78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned

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Budget JIS Screwdriver Tips 28 Jun 2012 17:34 #532423

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Kewl tip, Ed B)
1977 KZ650B1
1980 F1 engine
B1 3-phase alternator
B1 Points ignition

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Budget JIS Screwdriver Tips 21 Mar 2013 13:16 #577989

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Great thanks !!

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Budget JIS Screwdriver Tips 21 Mar 2013 13:53 #577995

  • 4TheKZ1000
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Nice post and pics....well done Ed.... B)

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Budget JIS Screwdriver Tips 27 Mar 2013 11:35 #579104

  • Mcdroid
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Thanks Ed...just bought a few more JIS tools from rjrcooltools.
Michael
Alvin, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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Budget JIS Screwdriver Tips 27 Mar 2013 12:45 #579111

  • martin_csr
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Sears has a cheapy metric driver & socket bit set. The screwdriver bits are very similar to the JIS type.

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Budget JIS Screwdriver Tips 27 Mar 2013 20:05 #579159

  • bluej58
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I made one of those tips for my Milwaukee impact screw driver and had no problems taking out screws that hadn't been removed in 35 years on the 650 B)

Thank you Ed
78 KZ1000 A2A

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Budget JIS Screwdriver Tips 16 Apr 2013 16:14 #582696

  • Mcdroid
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Mcdroid wrote: Thanks Ed...just bought a few more JIS tools from rjrcooltools.


Just received two JIS (#2 and #3) 150mm length screwdrivers from RJR tools and they are very high quality (Vessel brand). A nice investment.
Michael
Alvin, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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Budget JIS Screwdriver Tips 14 Jun 2013 16:53 #592305

  • CruisingRam
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My impact screw driver bit is almost identical to the JIS bit. Actually, it is identical. However, I bought it at a yard sale and have no idea what brand it is- funny thing about it is- it was before we started importing Chinese stuff, and I got it cheap because it was "a cheap Japanese knock off" :woohoo:
1975 Z1 B 900- soon to be heavily modded
Pahoa, Hawaii is my new hom
I am working hard to save up the shipping money to get my shop opened here in Hawaii
I hate electrical stuff.

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