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master cylinder scews done derped

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Rogerborg
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Joined: 26 Oct 2010
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PostPosted: 19:35 - 30 Jun 2015    Post subject: Reply with quote

Small hammer and a flat punch / big Allan bit / something similar like the end of a 1/4" socket bar. See if you can hammer it a bit more solid again.

Buy and use an impact screwdriver. I use one by default now on any JIS / Phillips head that I haven't recently undone.
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Quote Me Happy



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PostPosted: 19:37 - 30 Jun 2015    Post subject: Reply with quote

An impact driver or drill them. Both have worked for me.
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Just_James
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PostPosted: 19:46 - 30 Jun 2015    Post subject: Reply with quote

As above for removal Thumbs Up

Just a tip when putting your new ones in though - buy decent stainless ones (pence) for a start then use some copper grease on the threads first. Saves you (or next owner) the hassle of it again.

I think I am yet to buy a bike that hasn't needed the m/c screws tapping or drilling out Evil or Very Mad
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swampy
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Joined: 04 Aug 2004
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PostPosted: 20:07 - 30 Jun 2015    Post subject: Reply with quote

Just_James wrote:
As above for removal Thumbs Up

Just a tip when putting your new ones in though - buy decent stainless ones (pence) for a start then use some copper grease on the threads first. Saves you (or next owner) the hassle of it again.

I think I am yet to buy a bike that hasn't needed the m/c screws tapping or drilling out Evil or Very Mad


I don't think I've ever owned a bike that had the same master cylinder screws it came out of the factory with Very Happy
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stirlinggaz
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Joined: 22 Jul 2007
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PostPosted: 22:46 - 30 Jun 2015    Post subject: Reply with quote

Just_James wrote:

I think I am yet to buy a bike that hasn't needed the m/c screws tapping or drilling out Evil or Very Mad


that's probably because no-one ever uses the correct screwdriver!
most of these m/c screws (on jap bikes anyway) are not your normal phillips or even pozi-drive screws.
they are JIS & therefore to remove them you need a JIS screwdriver.
I dont know anyone with a JIS screwdriver (apart from myself Smile ) although im aware another bcf'er mentioned he had one a while back.
beats me why they insist on using these bloody weird screws when nobody has the f*ckin tool to loosen them.
like others have said, they are best replaced with "normal" countersunk screws/bolts with a bit of copper grease on the threads.
I favour s/s with a slotted head that just need a "normal" flat bladed screwdriver or ones that need a "normal " allen key/hex bit.
TL/DR? if they are already chewed up, hammer in a torx bit, if they arent, use the correct screwdriver!(JIS)
cheers,
GAZ
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andyscooter
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Joined: 30 May 2009
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PostPosted: 07:52 - 01 Jul 2015    Post subject: Reply with quote

the garage that ended up sorting mine last time put hex bolts in Thumbs Up


that was because the previous owner had fubared the screws
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stinkwheel
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Joined: 12 Jul 2004
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PostPosted: 11:41 - 01 Jul 2015    Post subject: Re: master cylinder scews done derped Reply with quote

PaulFzs wrote:

drilling as a last resort


Drilling isn't the last resort in my book. It's the quick and easy way.

If they don't come out with the screwdriver, I just drill them. No worries, lid's off in less than 2 minutes, the resulting nice long stump is easily removed with mole grips.

The screws are soft as shite anyway so they'll even drill off in next to no time with a hand drill.
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