ninjette.org - View Single Post

DannoXYZ · October 29th, 2019, 01:30 PM

Don't use vacuum-bleeder. Rig up something to hold caliper above master, and get an assistant and do old fashioned way because you need 4-hands:

1. pour new brake-fluid into master so level is topped off. DO NOT LET IT GET LOWER THAN TOP, NOT EVEN HALFWAY! Rotate bars so master reservoir is as flat as possible so you can fill it up as much as possible.

2. loosen bleeder-screw about 1/4-1/3rd turn. Just enough to allow flow. (keep clear hose attached at all time)

3. squeeze brake-lever quickly & firmly, but not fast (about 1/4-sec from open to squeezed). You'll hear squirting noise from master, slightly irregular & rough if there's air. Some should squirt up out of master reservoir, higher level will keep squirt from blowing everywhere. Slow down squeeze if it blows all over. KEEP LEVER SQUEEZED!

4. tighten brake bleeder screw. Did you see any bubbles come out of clear hose when squeezing lever?

5. release brake-lever

6. Go back to #1

You HAVE to alternate between opening bleeder screw, squeezing lever and closing bleeder to ensure that fluid flows one-way and air doesn't get into system. Opening bleeder too much beyond what's needed to enable flow causes bubbles to get in through threads of screw. Speed Bleeders actually makes this process very easy.

October 29th, 2019, 01:30 PM	#9
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	Don't use vacuum-bleeder. Rig up something to hold caliper above master, and get an assistant and do old fashioned way because you need 4-hands: 1. pour new brake-fluid into master so level is topped off. DO NOT LET IT GET LOWER THAN TOP, NOT EVEN HALFWAY! Rotate bars so master reservoir is as flat as possible so you can fill it up as much as possible. 2. loosen bleeder-screw about 1/4-1/3rd turn. Just enough to allow flow. (keep clear hose attached at all time) 3. squeeze brake-lever quickly & firmly, but not fast (about 1/4-sec from open to squeezed). You'll hear squirting noise from master, slightly irregular & rough if there's air. Some should squirt up out of master reservoir, higher level will keep squirt from blowing everywhere. Slow down squeeze if it blows all over. KEEP LEVER SQUEEZED! 4. tighten brake bleeder screw. Did you see any bubbles come out of clear hose when squeezing lever? 5. release brake-lever 6. Go back to #1 You HAVE to alternate between opening bleeder screw, squeezing lever and closing bleeder to ensure that fluid flows one-way and air doesn't get into system. Opening bleeder too much beyond what's needed to enable flow causes bubbles to get in through threads of screw. Speed Bleeders actually makes this process very easy. Last futzed with by DannoXYZ; October 30th, 2019 at 02:43 PM.