Unable to bleed brakes, nothing coming out of the bleeder valve

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9/6/2018 7:57 AM

I was going to flush & bleed brakes on my 87 KX250 last night, but ran into a problem. When I crack the bleeder valve nothing comes out either by suction or even pumping the brake pedal.

What would prevent fluid from exiting the bleeder valve? The brake is actually tight right now, it works great, but the fluid probably hasn't been changed in at least 2 decades.

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Ride like a girl!!!
2016 KTM 500 EXC-F
Current project: 2007 Kawasaki KX250-R7 retro build
Current project #2: 1987 Kawasaki KX250-E1 rider/racer resto
1989 KX125 resto
1987 RM250 resto

9/6/2018 8:14 AM

Does anything come out if you remove the bleeder nipple? Its not unheard of for dirt to get jammed in there

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9/6/2018 8:25 AM

yeah, remove the nipple and see if brake fluid comes out. if it doesn't you can push the end of a paper clip into the hole in the caliper to clean it out.

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9/6/2018 9:42 AM

Will give both a try next time I'm in the shop.

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Ride like a girl!!!
2016 KTM 500 EXC-F
Current project: 2007 Kawasaki KX250-R7 retro build
Current project #2: 1987 Kawasaki KX250-E1 rider/racer resto
1989 KX125 resto
1987 RM250 resto