front break seals (Full Version)

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front break seals

  

zombie -> front break seals (1/6/2008 1:54:12 PM)

ok i  saw alot of break threads but didn't see any on the seal, sorry if this is old news, but is anyone else having trouble with the front break seal going bad repeatedly?  i've owned my bike for only about 6 mnths but my seal has gone bad twice now which has made my front breaks non existant.  the first time i got new seal from the honda dealership, i'm wondering if there is another one somewhere else that is better or last longer.

also is there a difference between the dot 4 break fluid, and the 3 or 4 break fluid? 

and on a completely different note anyone know a good web site to go to for aftermarket markers?

  
idodirt -> RE: front break seals (1/6/2008 8:16:55 PM)

Are you referring to item number 1 in this view ?
http://www.crotchrocket.com/fiche_image_popup.asp?fveh=3046&section=128724&year=1997&make=Honda&category=Motorcycles&dc=947&name=FRONT+BRAKE+CALIPER

The only thing that's going to cause the seals to fail would be a damaged calliper piston. Scratches or corrosion on the piston can cause the seal to fail. I guess it's possible that you received a bad seal, but there's not too much to them ya know. As to the question on DOT 3 or 4, yes there is a difference. You need to use DOT 4 in your bike. It tells you this on the top of the master cylinder. Don't mix them either.

zombie -> RE: front break seals (1/6/2008 8:55:31 PM)

no i'm talking about the rubber seal in theresavoir on the handle.

marc0011 -> RE: front break seals (1/7/2008 7:47:08 AM)

What condition is rubber seal in to be considered bad.  I can't imagine a new one failing so quickly.  There should be a hard plastic piece that inserts into that rubber seal.  Do you have that plastic piece in place?

denlimack -> RE: front break seals (1/7/2008 10:02:01 AM)

like this...

[image]local://upfiles/15725/2E3139C8FF404C13BF0946E49087822F.jpg[/image]

zombie -> RE: front break seals (1/7/2008 1:02:00 PM)

i'm almost positive it is, i won't be able to actually check it till i get back from work.  and it doesn't seem that the rubber is in terrible shap, just that inside square keeps falling in on the rubber peice causing me to loose my vacume and therefore my breaks.

marc0011 -> RE: front break seals (1/8/2008 7:30:38 AM)

That plastic piece holds the diaphram in shape.  It has some plastic pieces that stick down into the diaphram.  Make sure they are there. 

  

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