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Brake pistons

DAMN maintenance and repair thread; including Farkle Fests! :boohoo:
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Wingfixer
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Re: Brake pistons

Post by Wingfixer »

Fuckin KTM...
F*** work.
Ride motorcycles.
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Laoch
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Re: Brake pistons

Post by Laoch »

Wingfixer wrote: Tue Mar 20, 2018 11:56 amFuckin KTM...
:lol2:
Bruce
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Laoch
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Re: Brake pistons

Post by Laoch »

gots_a_sol wrote: Tue Mar 20, 2018 11:11 am Clearly you need to use fire to remove them. Can't be stuck if they are liquid :lol2:
Good idea.
Bruce
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Laoch
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Re: Brake pistons

Post by Laoch »

Nobody wrote: Tue Mar 20, 2018 10:44 am
Laoch wrote: Tue Mar 20, 2018 9:29 am Fuckin shit. Plastic pistons. Two popped out. Two are stuck. Probably why i can't stop. Now what...ideas? Ordered ss replacement pistons.
Interesting, how many use plastic pistons nowadays? Seems to be not too good in a place which theoretically can become quite hot..
yeah.

http://www.rideformula.com/
Bruce
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Laoch
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Re: Brake pistons

Post by Laoch »

New ss boron coated something or other. It was harder getting the new ones pressed in. All bled. Now to test, bleed and repeat. Hopefully I will have front brakes.Image

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Bruce
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Nobody
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Re: Brake pistons

Post by Nobody »

Laoch wrote: Sat Mar 24, 2018 1:23 pm New ss boron coated something or other. It was harder getting the new ones pressed in. All bled. Now to test, bleed and repeat. Hopefully I will have front brakes.Image

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note to myself: "If you want a KTM, don't buy a Freeride" :lol2:
Every day is a good day when you ride
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juddspaintballs
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Re: Brake pistons

Post by juddspaintballs »

Bruce, snag a 60cc syringe with a blunt tip, 1/4" aquarium tubing, and brake fluid. Put the tubing on the syringe and attach it to the bleeder. Open bleeder and push fluid up into the master cylinder until no more bubbles. Air bubbles like to rise and this method works great on bikes.
Jed Gregory
1090 Adventure R
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Laoch
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Re: Brake pistons

Post by Laoch »

Jed- :thumbup: I think I did my clutch that wayu. So fsr so good.

Janis- :duel:
Bruce
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J&J
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Re: Brake pistons

Post by J&J »

Nobody wrote: Tue Mar 20, 2018 10:44 am
Laoch wrote: Tue Mar 20, 2018 9:29 am Fuckin shit. Plastic pistons. Two popped out. Two are stuck. Probably why i can't stop. Now what...ideas? Ordered ss replacement pistons.
Interesting, how many use plastic pistons nowadays? Seems to be not too good in a place which theoretically can become quite hot..
“Phenolic pistons reduce heat transfer into the brake fluid, resist corrosion that could cause caliper binding and are lightweight.”

That’s what the “smart guys” say. Most vehicles have them now.

I’m not a sart guy though, just sayin....
And I’ve seen them break if not pushed back evenly. :shrug:
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