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Old 05-04-2007, 02:31 PM   #1
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Japanese Screwdrivers Spec

Found this on the internet and thought I'd share:

There have been some complaints about getting the Phillips screws out of the carb float bowl. You need to use the proper tool. Those - and a lot of other screws on Japanese cars, motorcycles, and other products for the last 20 years use are Japanese Phillips, specifically Japanese spec (JIS 4633B/1991 and DIN/ISO standard 5260). Note the dot in one corner of the cross formed by the slots on the screw head indicating ISO/DIN. The Japanese style screwdrivers are available from and

Using normal American/Euro #1 or #2 Phillips screwdriver in a screw head with the dot on it will most likely strip the head on the first try with very little effort.
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Old 05-04-2007, 02:33 PM   #2
Gixxer Geezer
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56 Triumph, 64 BSA, Thunderbolt, 66 BSA Lightning Bolt, 64 Honda Scrambler. all sold

got to get me a set of those.. look handy..

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Old 05-04-2007, 02:40 PM   #3
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good man. might have to add those to the collection
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