I wish I Knew RE: Brakes!



2 replies to this topic
  • GJ

Posted May 08, 2000 - 09:12 PM

#1

Well, the story is sad but true. I missed an Awesome ride this Saturday, due to lack of knowledge.
I read mcarp's reply to my post about mushy front breaks and aftermarket lines. He mentioned bleeding the breaks as his were mushy from the factory. I had blead my front before, when I installed a new front roter. (Over the bars by big rock)
So, it's Friday night I'm stoked! Big ride tomorrow, been waiting all week. I don't go out with the wife, you go on Honey, have fun, here's some cash.......

So I'm changing the fliter, checking bolts, lubin chain, and thought I should dial in the front break.
I went to the auto parts store after work and got the one man bleeder unit......
I re-read the manual, put on the bleeder unit, fill the resivore with fluid and start bleeding. I was working! I was so into the bubbles comming out, I forgot to check the resivor level, and !*#&!!, the lever went limp. Dead.
So I proceeded to re-read the manual, and bleed, and Panic, and bleed, and panic....
I wrote the Fourm for any advice. Motogreg was kinde enough to offer some advice at that late Friday night hour. I followed his suggestions, and I still was up in the garage, pumping that !#*! lever as Wife pulls up with Girlfriends @ 2:00am from the convienent "Girls night Out".
And she says "don't you leave at 5:00am?"

Nope.

The morning at the bike shop taught me to remove the resivor & caliper and whole front break assembly from the bike. Hang the resivor from the celing with the lever sticking up. Place a screwdrive shaft into the caliper (as a spacer), pull the line Straight, and tap tap tap the line. All those !%&* airbubbles float to the top.
Get a someone to help and do a bleed while holding the line straight up.

Then pop it back on the bike, do a bleed or two and the front break is better than ever!
It took the machanic about 20 minutes from dead to perfect.

Now I know.

May the "night before the big ride" Never strike you down.

GJ

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  • Kevin_in_New_Hampshire

Posted May 09, 2000 - 12:38 AM

#2

You should bleed the front brake right at the master cylinder (brake reservoir).
The procedure is the same: pump the front brakes, then loosen the banjo fitting right at the brake reservoir to bleed the air, then tighten the banjo bolt. I had to do this to my street bike as well as bleed the hydraulic clutch.
The gravity thing does work though.

  • MotoGreg

Posted May 09, 2000 - 03:54 PM

#3

Ya the gravity thing will work if you want to take everything off, 20 minutes is a lot of work compared to 5 for regular bleeding. On my street bikes I run a banjo bolt that has a bleeder nipple in the end of it for where the line bolts to the master.

------------------
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'92 GSXR 7/11
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