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Old Jul 17, 2007 | 02:36 PM
  #1  
nomad's Avatar
nomad
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Cruiser
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From: Missouri
Default Brake Fluid

Just recieved my new chrome handlebar controls (Custom Chrome) for my 06 Softail. Kit is for all H-D's single disc models 96 and up. On the master cylinder it says to use DOT5 only. I know my 06 has DOT4 and that the two cannot be mixed. I don't see why I could'nt use Dot4 in a M/C that hasent had any fluid in it. I checked the new M/C and it is bone dry. Any suggestions or ideas would be appreciated. Thanks....
 
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Old Jul 18, 2007 | 05:55 AM
  #2  
Navychief's Avatar
Navychief
Road Warrior
Joined: Dec 2006
Posts: 1,522
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From: Douglasville, GA
Default RE: Brake Fluid

Didn't we see you in another forum? Flush the system completely with dot4 to remove any residual dot 5 from the factory and then fill/bleed/check operation/ride.
 
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Old Jul 18, 2007 | 06:22 AM
  #3  
biz44's Avatar
biz44
Outstanding HDF Member
Joined: Jul 2007
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From: Hoboken, New Jersey
Default RE: Brake Fluid

DOT 5 is a better fluid.....I am not sure exactly, but IIRC it is much less hygroscopic, is not as harmful to paint (I would not try that one), has a much higher boiling point, and is made with silicone. I dont know....but if it was my bike and it called for DOT 5.....thats what it would get. My 03 FXSTD-SE calls for DOT 5.....and thats what I would use if needed.
 
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