Japanese (JIS) screwdrivers - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 29 (permalink) Old 11-19-2009, 09:43 AM Thread Starter
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Japanese (JIS) screwdrivers

As we all know, the Big K is a Japanese company and all the fittings on your bike are therefore metric. Many of you probably already know this, but there is a major difference between a Japanese phillips head screwdriver and an imperial (US) phillips head. The two major differences are in the blade angles. Basically the tip of a JIS driver is shallower than that of a US version. Also the sides on an individual blade tend to taper slightly narrower on a US driver where the JIS version has them parallel. This will cause the US driver to "cam out" or slip, thus buggering up the head of the JIS screw.

So where do you get JIS screwdrivers? Not at Sears, Lowes, Home Depot, Northern Tool, Tractor Supply, etc. I bet that you will be hard pressed to find these drivers at any local store unless maybe they are special ordered through a bike shop. By the way, that usually gets really expensive. I have found a place online that has these drivers at good prices and free shipping. See link below.

http://www.rjrcooltools.com/shop_ite...?subcat_ID=138
This guy is a small business in Michigan. So far his customer service has been tip-top. I ordered the short 1/4" HEX drive version for $10. I will see them in a few days.

Here are a couple other places with some other options on these drivers.
http://www.ikaswebshop.com/hojisscset4d.html

http://www.mcmaster.com/#jis-(japane...rivers/=4klb5j

I do not work for any of these companies, I just thought someone might be looking for these things. I only know of a few phillips head screws on the bike, but you really don't want to bugger up the head on one.

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post #2 of 29 (permalink) Old 11-19-2009, 10:41 AM
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Hmm, interesting. I've been around industrial machining and metric stuff for over 30 years and did not make the correlation of the screwdriver thing.
So, I went out into the shop and pulled the tool kit that came with my Lathe, the kit that came with my mill and the one for my Taiwanese grinder. Yep, they are different than my Craftsman #2 and #3. Very similar in appearance until you look closely at the angle as you mentioned.

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post #3 of 29 (permalink) Old 11-19-2009, 11:11 AM
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I bought a set in the second link and use them on the bikes. Can't hurt to have the right tool.


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post #4 of 29 (permalink) Old 11-19-2009, 12:45 PM Thread Starter
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Quote:
Originally Posted by ********* View Post
I bought a set in the second link and use them on the bikes. Can't hurt to have the right tool.
Yeah! Back before big-K made a change, the screw holding the air filter frame in was JIS phillips. I messed it up so bad I had to use a back-out tool to remove it in the end. For a while I just used a regular philips on which I had ground the tip down a bit. This works okay, but can still cam-out a little to easily because of the side angles. I finally decided to get the real deal the other day when I had a little trouble getting out the screw holding the coil cover on.

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post #5 of 29 (permalink) Old 11-19-2009, 01:48 PM
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I bought a set before I changed my airfilter after reading all the problems others had with the retaining screw.......I've since used them more than any other screwdriver working on other peoples japanese machines.......a solid investment in no stripped screwheads. I wish I had bought a set years ago!
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post #6 of 29 (permalink) Old 11-20-2009, 06:01 PM
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Thanks for the excellent info. I don't have any idea how many of those screws I have ruined and spent hours getting out.

Andy

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post #7 of 29 (permalink) Old 11-22-2009, 07:29 AM
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Yes, thanks from here too Jeep Pirate for the excellent "heads up" on this. I always wondered why I often had trouble removing phillips head screws on my bikes. Interesting that these are so hard to locate. I guess I can understand why Home Depot and Lowes and the rest might not carry these, but I also just did a quick search through some of the major motorcycle online suppliers... Dennis Kirk, Cruiser Customizing, J&P cycles, and none of them turned up any search results when searching on JIS screwdrivers. Heck, I'll bet even the popular Cruz Tools kits don't even have them included. I did locate some on Amazon, but they mostly look like the smaller jewelers style of screwdriver kits. I appreciate you posting those links you found.

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post #8 of 29 (permalink) Old 11-22-2009, 11:09 AM
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Convinced me, I ordered a set.

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post #9 of 29 (permalink) Old 11-23-2009, 06:50 AM
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I will buy a set and I will call them Phirrips head screwdrivers. I had no idea there was a difference. Thanks.

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post #10 of 29 (permalink) Old 11-29-2009, 07:30 PM Thread Starter
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I will buy a set and I will call them Phirrips head screwdrivers. I had no idea there was a difference. Thanks.
Ahhh sooohhh!! Prease han me daht phirrips head screw driver.
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