GSF1200 Yoshimura ST-1 Cam Cover Replacement and More

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This caliper has been in use for a while, so let’s replace the caliper seals.

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Everything has anodizing applied, so there’s no corrosion and it’s reassuring. When disassembling, the titanium bolts made a squeaking sound that was a bit scary.

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Even if you clean the caliper, the seals won’t return to their original condition. I think it’s a waste of time to keep washing and working out a caliper that loses feel and return quickly even after cleaning. While there’s some temporary improvement, the condition will deteriorate again.

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Since we don’t want to damage the anodizing, we’ll clean it carefully by hand.

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The pads will always contact the sides, so the caliper won’t last forever either.
It’s a good idea to apply just a thin layer of heat-resistant grease to the sides.

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Next, we apply CCI MR20 thoroughly and assemble the seals.

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Like everything else, inspection is absolutely essential. Excuses like “I thought it was okay because it was new” won’t hold up.

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Just to be safe, we’ll take measurements. Measuring doesn’t improve performance, but I hope to analyze various aspects by looking at the numbers.

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Calipers are surprisingly excellent. I can never shake the anxiety about digital measuring instruments, but they’re just too convenient. I always wonder if the measured values are really okay.

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Finally, we tighten everything with a torque wrench and we’re done.
I wonder if torque wrenches have torque wrench testers, and those testers have testers, and so on and so forth.

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All finished. It looks quite a bit cleaner now.

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