DOT 5 is not exactly compatible with the stock rubber components of
motorcycle braking systems. The seals and o-rings will not break down or
deteriorate, but they will drag in the bores of the calipers and
cylinders. This in turn leads to the pucks dragging on the discs because
the pistons don't retract. If you use DOT 5 the rubber items need to be
replaced with a rubber that is designed to work with DOT 5. DOT 5 was
touted in all the magazines for its resistance to heat but in practice
it caused me nothing but trouble. The big issue with DOT 3 is that it is
hygroscopic. Change it out once a year and you're good. Braking a KR
will never stress brake fluid nearly as much as road racing a motorcycle
and I used DOT 3 in all my endurance race bikes. It was good for an
entire season.
Chris K
On 6/5/2016 5:01 PM, Jeff Scott via KRnet wrote:
> Joe,
>
> If you are determined to use DOT brake fluid with Cleveland brakes, I would
> recommend using DOT 5 silicone based fluid. DOT 5 will be compatible with
> both your master cylinders and your slave cylinders.
>
> -Jeff Scott
> Los Alamos, NM
>
>
>
> Sent: Sunday, June 05, 2016 at 4:13 PM
> From: "bjoenunley via KRnet"
> To: KRnet
> Cc: bjoenunley
> Subject: KR> Cleavland Brakes with DOT 3
>
>
> Can cleavland brakes operate with DOT 3 brake fluid?
> I'm using motorcycle master cylinders that use DOTS 3.
> Joe Nunley CW2 US Army RetiredBaker JROTC Instructor Baker Florida
> options
>
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