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How to get nutty with a KX450F rear brake caliper

Posted: Tue Jun 06, 2017 4:20 pm
by Sandblaster
As some of you know I built the rear brake caliper for Sean Collier's new bike.
I learned several things the first time around so while some of this is a rehash, some of it is new.
First things first you will need a KX450F rear brake caliper... Any year will do up to at least 2012 :o
Next, strip it bare..

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 101.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 101.jpg (357.92 KiB) Viewed 7364 times
{TIP} Use a air nozzle to blow the seals out... Most of the time you can re-use them.
Or just buy new ones as they are cheap..

Re: How to get nutty with a KX450F rear brake caliper

Posted: Tue Jun 06, 2017 5:37 pm
by Sandblaster
Put it in there..

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 102.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 102.jpg (399.61 KiB) Viewed 7361 times
Use some of this on it..

Then some of that..

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 103.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 103.jpg (417.44 KiB) Viewed 7361 times
It starts looking like this..
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 104.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 104.jpg (453.49 KiB) Viewed 7361 times

Re: How to get nutty with a KX450F rear brake caliper

Posted: Tue Jun 06, 2017 5:38 pm
by Sandblaster
No fancy mills or lathes.
I haven't even measured anything... All eyeball :shock:

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 105.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 105.jpg (349.93 KiB) Viewed 7360 times
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 106.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 106.jpg (365.35 KiB) Viewed 7360 times
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 107.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 107.jpg (343.4 KiB) Viewed 7360 times

Re: How to get nutty with a KX450F rear brake caliper

Posted: Tue Jun 06, 2017 5:39 pm
by Sandblaster
It's starting to take shape..

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 108.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 108.jpg (252.7 KiB) Viewed 7359 times
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 109.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 109.jpg (212.54 KiB) Viewed 7359 times

Re: How to get nutty with a KX450F rear brake caliper

Posted: Tue Jun 06, 2017 5:41 pm
by Sandblaster
A little grinder work and..

KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 111.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 111.jpg (280.45 KiB) Viewed 7358 times
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 112.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 112.jpg (244.37 KiB) Viewed 7358 times
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 113.jpg
KX GURU RACING MODIFIED KX450F REAR BRAKE CALIPER 113.jpg (247.85 KiB) Viewed 7358 times
Ready for weld...
I've left a message with my welder..
We will see how long it will take for him to get back to me...

Re: How to get nutty with a KX450F rear brake caliper

Posted: Wed Jun 14, 2017 11:19 pm
by Sandblaster
I received it back from the welder and started the clean up..
It's real rough right now but give it some time :-)

KX GURU RACING rebuilding the beast 122.jpg
KX GURU RACING rebuilding the beast 122.jpg (311.74 KiB) Viewed 7323 times
KX GURU RACING rebuilding the beast 123.jpg
KX GURU RACING rebuilding the beast 123.jpg (262.77 KiB) Viewed 7323 times

Re: How to get nutty with a KX450F rear brake caliper

Posted: Thu Jun 15, 2017 5:19 am
by Sandblaster
A little more progress..

KX GURU RACING rebuilding the beast 124.jpg
KX GURU RACING rebuilding the beast 124.jpg (168.1 KiB) Viewed 7320 times
KX GURU RACING rebuilding the beast 125.jpg
KX GURU RACING rebuilding the beast 125.jpg (162.89 KiB) Viewed 7320 times