CB750 has gears again !!

Just thought I would post a quick picture of the little devil that caused me so much trouble

~~I'll try to get a clearer picture soon~~, Clearer Image is here. You can see the little circlip that holds the lever onto it's pivot.

and there you can see the whole gear linkage.

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Project Z750 part 16

The piston puller has arrived. it looks like a pair of pliers, but works opposite so that when you press the handles the "nose" of the pliers expands. the idea is that you put the nose into the piston, grip very hard and turn and pull the piston so that it comes out. the theory is great, but actually using one isn't. in use you are trying to grip as hard as you can, and at the same time trying to pull the piston out of the caliper (as well as maybe turning it if it's stuck like mine). it took a herculean effort to get one of the pistons out, I was gripping as if my life depended on it, trying to twist the piston and pull it out of the caliper. when it turned (a little) it gave me renewed hope of getting both pistons out, and eventually the piston was out, so just one more left. so now on to the fifth and final brake caliper piston. I put the piston puller tool into the caliper, gripped with all my might (no laughing please) and twisted. Well something mo...

Project Z750 part 18

I have done a bit of reading on how to clean brake caliper pistons, and found an article that said you could use fine wet and dry to clean corrosion off them [ http://www.motorcyclenews.com/new-rider/choosing-kit/2006/november/jan26-05-how-to-service-brake-calipers/ ]. as it suggested using 1500 grit wet and dry, I decided to be cautious and start with 3000 grit. I cut the wet and dry into strips about an inch in width. I put some wd40 onto a strip and started polishing the rear piston. After quite a while I started to notice the difference. it was getting cleaner. well, it was working, but it was going to take a long time. well, I was patient and I really didn't want to rush it and ruin the pistons. Over the next couple of weeks, I polished all of the pistons using the 3000 grit wet and dry. As it seemed it was going to take the rest of my life using 3000 grit wet and dry, I decided to take a risk and bought some 2000 grit. yep I was really pushing my luck here. I cut the 20...

Project Z750 part 12

Okay, I've been to halfords and bought a small bottle of brake fluid, so now I can get the pistons out of the front caliper, and start cleaning them up. first thing is to fill up the fluid resevoir and bleed the new fluid through. as the front has two calipers, bleeding the new fluid through is being a pan, so i had a brainwave! attach the front caliper to the rear system, as that is a lot less brake hose and no second caliper to make things harder. of course bleeding the brakes with the caliper off the bike is not something i would recommend. I had one hand holding the caliper still so that i could turn the spanner on the bleed nipple. my other hand was on the spanner to loosen and tighten the bleed nipple, which left my foot to press on the the brake pedal whilst trying to synchronise all three limbs. okay, this isn't working, so I've ordered a brake bleed helper (which will make the final refit easier) and i'll try again when that arrives. while I'm ...

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