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I put DOT 3 brake fluid in clutch reservoir. Soaked as much up as I could and took her for a drive. Clutch quit working and had to limp home in 2nd gear. Seemed to be working last night - was able to shift into neutral but haven't driven it.



What's the verdict? Suggestions (other than pay better attention)?
 

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Drain the clutch and replace it with DOT4
 

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When you soaked up as much as you could, chances are, you got air in the line. Flush and refill with Dot 4 fluid.
 

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mikef wrote:
When you soaked up as much as you could, chances are, you got air in the line. Flush and refill with Dot 4 fluid.
and flush again
 

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Dot 4 is the preferred brake fluid today. Dot 3 is what came in that bike originally, so there is no reason why it wouldn't perform properly. As others have said, you probably got some air into the system. You will need to bleed it all out and then refil with any fluid except Dot 5.
 

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Yes,,,,,,, bleed, bleed, bleed the system for air.
 

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My cthe caps on my 84 read DOT4. So this wing didnt come with DOT# in it. Maybe yours was teh same. I still doubt full failure just because of different fluid.

My clutch has been giving me a hard time as well. I bled all the air but Ithink the diaphragm is so distorted that air and other contamiants are finding thier way in there.
 

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jackjohn wrote:
Dot 4 is the preferred brake fluid today. Dot 3 is what came in that bike originally, so there is no reason why it wouldn't perform properly. As others have said, you probably got some air into the system. You will need to bleed it all out and then refil with any fluid except Dot 5.

Whoa Jack. Dot 4 was original inmy 1200.



Any way, MHOLLIN, welcome to the forum.

I don't think the Dot 3 actually hurt anything. Most likely air.

Just flush and bleed the lines.

FYI;There is Dot 3/4 compatible synthetic fluid available too. I've been using it for years and had no problems. It's not so hard on your paint either.

 

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mhollin wrote:
I put DOT 3 brake fluid in clutch reservoir. Soaked as much up as I could and took her for a drive. Clutch quit working and had to limp home in 2nd gear. Seemed to be working last night - was able to shift into neutral but haven't driven it.



What's the verdict? Suggestions (other than pay better attention)?
Welcome to this Great Site!

Pull up a chair and join on in!

Ride Safe, Ray


:waving:
 

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Welcome to the forum mhollin from Waco Tx.

DOT3 & DOT4 should mix as both are similar informula. 3 had a lower boiling point and faded under heavy use. 4 was better and designed for the high heat disc brakes generate,but both attract moisture hence the rust and gunk that comes after a period of time. DOT5 is a different formula andis not compatable with 3&4. Not recommending mixing 3 &4 but it is done alot on older systems. Reads like you may have gotten air into the system and it self bled if lever returned to near normal operation after refilling. :cool:Keno
 

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Thanks everyone for the quick replies and welcomes. It's been almost 20 years since I've owned a bike but wanted to jump in again. Started with an 80 HD Superglide then wanted to go to California (from Omaha, NE) and wife said no way she was riding on the back of that bike so bought an 82 Interstate. Loved it. After had kiddies no more wife riding so finally gave up motorcycling. But kiddies are gone, I'm an old guy with time on my hands and need some excitement in my life. This ought to do it.
 

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Around here you are not an official OLD GUY until you are al least 80 and can't stradle the bike any more. From what I hear, I am a youngster at 54.
 

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OOOO, that makes me one of the kiddo's at 40...........:cheeky1:
 

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Definitely a whippersnapper!:cheeky1::cheeky1:
 
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