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Old December 4th, 2021, 05:34 AM   #213
shspvr
ninjette.org guru
 
Name: Anthony
Location: Vinita, Ok
Join Date: Sep 2021

Motorcycle(s): 07 Kawasaki Ninja 250

Posts: 343
Quote:
Originally Posted by Bob KellyIII View Post
well I got the new master cylinder on but I don't like the hose clamp going to the resivour on the bottom end it's making the hose wrinkle slightly as it's tightened so I'll get a tiny hose clamp or two... sense it's not under pressure it could probably do fine with no hose clamps at all... but I'll put some on it so it can't come off .
....
I ordered a rebuild kit for the rear caliper guys ! so I'll do a rebuild on the rear caliper when the parts arrive.
....
with that done there will be no need to use the alcohol to clean it out as I will have done all the cleaning necessary already as the only thing Not new is the 2 brake lines in the rear.... and those are clean already...
the reservoir is new the line from the reservoir to the master cylinder is new the master cylinder is new and the line from the master cylinder to the caliper is already cleaned
and I will rebuild/clean the rear caliper soon.... so it is getting closer to being done.
....
i'll probably put the rear wheel back on tomorrow ( it's still leaning against the lathe !)
....
then it will be time to get it out of the shop and get the Ninja in there !
i have 3 things I want to do to the Ninja....
1. adjust the valves ( I have the shims and good calipers now.)
2. clean the carburetors.
3. put on the back luggage rack i got for it about 3 months ago ! LOL...
....
later all
Bob.......
Have ever done brake caliper ?
If going rebuild caliper, then don't need to use alcohol just reg brake cleaner will do as your put in new seal.
The alcohol is used for flush out the old and change over to DOT 5 fluid

Dose your kit come with new piston ?, I hope for love of god you didn't used any kind of sandpaper or used scotch brite on the piston.

After you get caliper disassembled
1: Used scotch brite with WD-40 to clean out the cylinder bore or 1500 or higher grit sandpaper with WD-40 litely done then clean with brake cleaner.
2: Used nylon brush on aluminum calipers if it is a steel caliper use brass or steel brush to clean brake fluid the cross over passages.
3: If going reused the piston used a cotton wheel buffer to polish the piston with chrome polish.
4: For Brake Cylinder Assembly that be Brake fluid itself or McKay Assembly Lube or ATE Brake Assembly Lube and supposedly, but I would recommend it and I never try Red Rubber Grease.
5: You should have small O-ring that goes between the two-caliper half put a dab of brake fluid on O-ring.
6: For Caliper slide you used Permatex Ceramic Extreme Brake Parts Lubricant its purple stuff only your are pin type.

Last futzed with by shspvr; December 4th, 2021 at 07:16 AM.
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