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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
Brake Pad Pins - Front Caliper Gen II & III
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<blockquote data-quote="RaYzerman19" data-source="post: 1279864" data-attributes="member: 18388"><p>This applies to Gen II & III only, as Gen 1 has a different brake pad pin with cotter pins........... There was some discussion a while ago about rounding out the 5mm hex in the brake pad pins when it is seized in the caliper. I suspect one cause could be the galvanic corrosion that occurs between the stainless pin and the aluminum caliper. One fix is to buy a new pin but they are quite expensive (~$30) and oh by the way don't break or lose the metal spring for the pads (~$27). Or, you could find a used caliper on ebay. Or, you can use a different pin that costs a lot less........ the difficulty is finding a pin long enough, but I have found a Honda pin that will fit the bill (~70mm). This pin has a hex head which will take an 8mm hex socket, much more robust than the 5mm internal hex. Honda Part No. 43215-KZ4-J41 is in the top part of the photo, with the OEM Yamaha pin below for comparison. Note extra thread length, etc. but the important part is the length to capture the brake pad. You don't have to have the O-ring if you lose one, it only serves as a guide as you insert the pin. See also the photo of both installed in an FJR front caliper.</p><p></p><p>The Honda pin costs ~$3.40, application is rear brake caliper of '08 CBR1000 and CRF450, perhaps other models. If you prefer a 5mm hex, perhaps try 45215-MAJ-G41, also 70 mm, but I have not verified this with a part in my hand.</p><p></p><p><img src="https://i1232.photobucket.com/albums/ff366/RaYzerman/P1020732%20Medium_zps4hu3yriw.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="https://i1232.photobucket.com/albums/ff366/RaYzerman/P1020730%20Medium_zpsiq1esak6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="RaYzerman19, post: 1279864, member: 18388"] This applies to Gen II & III only, as Gen 1 has a different brake pad pin with cotter pins........... There was some discussion a while ago about rounding out the 5mm hex in the brake pad pins when it is seized in the caliper. I suspect one cause could be the galvanic corrosion that occurs between the stainless pin and the aluminum caliper. One fix is to buy a new pin but they are quite expensive (~$30) and oh by the way don't break or lose the metal spring for the pads (~$27). Or, you could find a used caliper on ebay. Or, you can use a different pin that costs a lot less........ the difficulty is finding a pin long enough, but I have found a Honda pin that will fit the bill (~70mm). This pin has a hex head which will take an 8mm hex socket, much more robust than the 5mm internal hex. Honda Part No. 43215-KZ4-J41 is in the top part of the photo, with the OEM Yamaha pin below for comparison. Note extra thread length, etc. but the important part is the length to capture the brake pad. You don't have to have the O-ring if you lose one, it only serves as a guide as you insert the pin. See also the photo of both installed in an FJR front caliper. The Honda pin costs ~$3.40, application is rear brake caliper of '08 CBR1000 and CRF450, perhaps other models. If you prefer a 5mm hex, perhaps try 45215-MAJ-G41, also 70 mm, but I have not verified this with a part in my hand. [IMG]https://i1232.photobucket.com/albums/ff366/RaYzerman/P1020732%20Medium_zps4hu3yriw.jpg[/IMG] [IMG]https://i1232.photobucket.com/albums/ff366/RaYzerman/P1020730%20Medium_zpsiq1esak6.jpg[/IMG] [/QUOTE]
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Brake Pad Pins - Front Caliper Gen II & III
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