From stock Ninja 250 bar ends to battery screws, I keep stripping them when removing or tightening. I noticed from the Mastercraft set I got there are different philip head screw bits/ends. Is there some way to match the size or am I not pushing down hard enough?
They're Japanese screws. Seriously. The difference is that the Japanese screws are at perfect 90 degree angles while the Philips aren't where they meet, and a few other differences. Phillips are designed to cam out, the Japanese ones are not.
You need a set of JIS 1012 B screwdrivers.
This is not a joke. They really are not Phillips screws.
Some of the screws are Phillips (bodywork/bar ends it seems). Posidriv is a lazy in-between that will work on both even if your driver is the wrong size. You can still strip the heads, obviously, but Posidriv bits are often included in Canadian Tire/Princess Auto kits, whereas JIS ones are not.
There are dozens of JIS screws on the Burgman and I've used Posidriv-ers on all my bikes. The fasteners suffer little, if any damage. Haven't stripped a screw yet.
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