Caliper Issue - 600RR.net
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post #1 of 19 (permalink) Old 06-12-2014, 02:23 PM Thread Starter
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Caliper Issue

20140612_205536 by SurgeRR, on Flickr

As you can see, the first Allen (not mounting) 'bolt' towards the top of the caliper sits flush or just under, however the lower one protrudes quite a bit in comparison.

What could have caused it?
Should I just try to use an allen key to see if I can get it back in?
How safe would riding it in this condition be if I can't move it back in?

Appreciate the feedback.

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post #2 of 19 (permalink) Old 06-12-2014, 02:31 PM
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just tighten it, probably vibration has caused it to come out a bit. a little thread locking compound on it will help
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post #3 of 19 (permalink) Old 06-12-2014, 06:28 PM
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Make sure the pin goes through the retaining pin correctly.

The retaining pin puts pressure on the pin which should stop it from making its way out.

As above tighten it; but do not overtighten it as you can crack the caliper very easily


The torque spec is very low on those pins
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post #4 of 19 (permalink) Old 06-13-2014, 06:59 AM Thread Starter
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Thanks guys.

Tightened it up along with the rest of them slightly and went for a good ride without trouble. I'll pull them out at some point and add some threadlocker for the peace of mind.

Rinonz, is that your bike? That caliper is....ouch....totaled?

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post #5 of 19 (permalink) Old 06-13-2014, 07:26 AM
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I always use thread locker for brake bolts!!

Disc Bolts, Calipers bolts and retaining pins... super recomendable!



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post #6 of 19 (permalink) Old 06-13-2014, 08:06 AM
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Only use green thread locker on that bolt, if you use anything else you will also risk cracking the caliper.
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post #7 of 19 (permalink) Old 06-13-2014, 08:36 AM
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Quote:
Originally Posted by Soponcio Virtual View Post
I always use thread locker for brake bolts!!
This person speaks much truth!
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post #8 of 19 (permalink) Old 06-13-2014, 09:34 AM
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Quote:
Originally Posted by Nico View Post
Only use green thread locker on that bolt, if you use anything else you will also risk cracking the caliper.
Are those color codes "universal" for every brand?!?!

Coz now that I read you I realize my thread locker is red... But I never had any problems... Of course the first twist to remove them is hard... but I never cracked anything...

Just curious about this color thing...

Quote:
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This person speaks much truth!
That's what I always try!



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post #9 of 19 (permalink) Old 06-13-2014, 09:59 AM
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If you are using permatex brand red should go nowhere near your bike.

Blue is good for things you aren't going to touch often... Rearsets bolts etc

Green is pretty gentle. Good for serviceable bolts
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post #10 of 19 (permalink) Old 06-13-2014, 10:05 AM Thread Starter
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Quote:
Originally Posted by Soponcio Virtual View Post
Are those color codes "universal" for every brand?!?!

Coz now that I read you I realize my thread locker is red... But I never had any problems... Of course the first twist to remove them is hard... but I never cracked anything...

Just curious about this color thing...



That's what I always try!
RED?! That requires heat for removal it's the strongest type. I doubt the red one you are using is the same. The universal brand (sort of) is Loctite, at least as far as I know.
Weakest to strongest being (Purple, Blue, Green, Red).

Link:http://www.loctite.com.au/aue/conten...sers_Guide.pdf

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Last edited by Rad Rage; 06-13-2014 at 10:10 AM.
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post #11 of 19 (permalink) Old 06-13-2014, 10:38 AM
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That's my bad.. Mixed up green and purple.

Use the gentle stuff (purple) for stuff like brake pins, clip ons, pinch bolts etc. Blue for rotor bolts, rearsets bolts etc.

Red leads to hard feelings lol
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post #12 of 19 (permalink) Old 06-13-2014, 10:48 AM
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Rad did you recently replace your pads, or were just overlooking the bike and you noticed that?

Also for any racers, is there a way to safteywire those bolts? Are you required to?
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post #13 of 19 (permalink) Old 06-13-2014, 10:50 AM
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A lot of racers will put a dab of silicone on those ones harry
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post #14 of 19 (permalink) Old 06-13-2014, 11:11 AM
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Don't use purple on brake components, the heat cycling makes it unsuitable for use.

Green for brake components and frequently serviced parts subject to minor vibration, particularly those prone to galvanic corrosion (steel bolts in ally castings etc). Blue for pretty much everything else. Red is only for things like studs that basically never need to be removed. Think of red as thread locking with a welder.

The colours are pretty much universal, but you have to be aware that there are thread lockers for different applications that are the same colour...
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post #15 of 19 (permalink) Old 06-13-2014, 11:32 AM
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Why would you use a high strength penetrant on bolts that come out regularly...
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post #16 of 19 (permalink) Old 06-13-2014, 11:41 AM Thread Starter
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Quote:
Originally Posted by harry-nyc View Post
Rad did you recently replace your pads, or were just overlooking the bike and you noticed that?

Also for any racers, is there a way to safteywire those bolts? Are you required to?
I was just cleaning my rotors and realized the bolt was sticking out.

Regarding the safety wire, it might depend on your organization. I have only come across wiring the mounting bolts and maybe the lock nuts but not the ones I was inquiring about.

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post #17 of 19 (permalink) Old 06-13-2014, 04:22 PM
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yep, that was my caliper and yep it's gone burger.
and it doesn't take much at all to do that.

Replaced it with one off 08 CBR1000RR and all is well.
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post #18 of 19 (permalink) Old 06-15-2014, 07:05 AM
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Quote:
Originally Posted by wibbly View Post
That's my bad.. Mixed up green and purple.

Use the gentle stuff (purple) for stuff like brake pins, clip ons, pinch bolts etc. Blue for rotor bolts, rearsets bolts etc.

Red leads to hard feelings lol
Pre cure blue on rearset bolts and rotor bolts or green. Blue can be used but isn't really necessary on rearset bolts but using blue on rotor bolts is a bad idea cause the amount of torque an allen head will survive may not be enough to remove a bolt locked in place with blue, particularly the second or third time around, and green will do the job perfectly.
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post #19 of 19 (permalink) Old 06-16-2014, 04:10 AM
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This is what I use...



Been using it for 3 years, no problems, no loose bolts...



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