Help with Stripped Screw on Master Cylinder - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 04-07-2011, 07:47 AM Thread Starter
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Help with Stripped Screw on Master Cylinder

OK, so I have a partially stripped screw on my brake master cylinder.

Once it started to give I stopped trying to remove it, but I need to get it out because my brake fluid looks like mud.

Question is should I just drill it out, and then remove all the brake fluid from the master cylinder to prevent metal shavings int he brake line, or does someone have a better suggestion?

I have never been good at removing stripped screws, just kinda always figure out a way to do it somehow, but I figured I really don't want to F this up.

Boggles my mind that I have no problem removing the tires to be changed and performing a spline lube, but I can't perform a simple operation like taking the cover off the BMC!

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post #2 of 6 (permalink) Old 04-07-2011, 07:54 AM
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Ive had two older bikes with this problem, they were seized and all 4 were stripped. I took the master cylinder off, and used an impact driver. one medium smack with a hammer and it cracks them loose. I ordered new screws from kawasakipartsnation.com Bikebandit.com has cheeper shipping, but higher part prices. familiar with an impact driver?

1986 Vn750
18,800 miles, and counting
Bone Stock
New cam chain tentioners
all fluids changed
Spline Lube
windshield
Engine Guard
B-stone S11 RWL-stock sizes
*wanted*
New grips

2001 Vn750
13,100 miles, and counting
spline lube
Bridgestone S11 100/90
Shinko 170/80
rear end oil change
aftermarket mirrors
windshield
otherwise all stock
*anticipated mods*
Engine Guard
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post #3 of 6 (permalink) Old 04-07-2011, 08:14 AM Thread Starter
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Yes, I went looking for mine this morning, of course I haven't seen it in about 6 years since I never need it. The one time I need it and its gone. Looks like i'm making a trip to Home Depot

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post #4 of 6 (permalink) Old 04-07-2011, 10:56 AM
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An impact is the best way to go, however I did it the redneck way and used a flathead and a hammer. The screws are really soft and I sort of made a slot and hammered it in a counterclockwise direction and it loosened up. Lowes has the right replacement screws in their metric bins too.

1995 VN750 - 10K
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post #5 of 6 (permalink) Old 04-07-2011, 11:10 AM
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Whatever it takes. I had the same issue. I used a sears ez-out set. It destroyed the head. Which is all you need in order to remove the cap. after the cap is off the M.C. you can just grab it w/your fingers and unscrew it. It's a 6mm screw btw. I just replaced em both with some stainless ones I have. They look great and won't ever rust!
Just my .02


'94 VN 750 17k mi. Aqua, Memphis shade.
Acquired 2/2011
Oiled
Tank cleaned
New Fork seals
Marbled
Idle jets-RT-3.0, Lft-2.5 turns
Sea Foamed
New Batt for grins
Stupid hose in the rt ear found and fixed
Major clutch adj.
New Petcock
New Shimko tires
De-goated before I got it.
Iridium plugs
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Gonna do the Spline Lube soon(Chged tires before I found this site)

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post #6 of 6 (permalink) Old 04-07-2011, 12:05 PM Thread Starter
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Thanks guys,

As I was dropping off the front wheel & tire at the shop to get mounted I just picked up a new impact driver and got it off no problem.

Probably gonna find my old one tomorrow now that I have two.

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