How to rebuild a motorcycle master cylinder
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- เผยแพร่เมื่อ 24 มิ.ย. 2019
- This process should be very similar for most classic motorcycle master cylinders and identical pretty much every 70's Honda.
Syringe: amzn.to/2RxLFeA
Rebuild kit: amzn.to/2RABcPJ
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For anyone reading....another trick for reassembly is using a deep socket to easily seat the the new snap ring.
As well don't forget to replace the rubber tubular stop bushing before securing the oval plate on the bottom of the lever.
Very well done, and congrats to you for selling the barn to brat project (my favorite by far to this point) and congrats to the new owner of this awesome build!
Really fought with the snap ring. Really wondered how other guys got it out. I used a dart but wasn’t easy. Great video. Thanks
YOU'RE the guy! You're the one who showed the syringe method of putting new brake fluid in! I knew I had seen that, but couldn't remember who it was. THanks for this!
Literally just, the day before you posted this, pulled the MC off my SV650 and looked for rebuild info. Awesome, parts ordered and will come back soon.
Reverse bleeding is a great thing. I started using it myself after a dealer visit to the Triumph factory a few years ago although of course their way of doing it is a bit more technological than a syringe but I've done it that way ever since. A tip for any slight sponginess after is to hold the lever back overnight, I use a rubber band which is a section of an old inner tube. Any tiny bubbles then rise out.
I liked this video. Cause it's a maintenance video as well. Shows how it's done and how to do it. 👍😎
Love the videos brother. I’m glad you were able to go full time with this. God bless and keep the awesome content coming. Can’t wait to see the Camaro done.
Nicely done, Taylor. FWIW, after I bleed my brakes, I bungee my brake lever tightly squeezed overnight to make sure any air bubbles are gone.
🏍👍🏍
Cool, I will give that a shot.
Classic Octane 😎
Is that with or without the cover being on?
theone2be33 on but not screwed down.
Best instructional video on TH-cam for rebuilding an old Honda brake master cylinder! Only suggestion is you could have made it clearer about the direction of the seal installed at the 5.45 mark. (the larger flared end of the seal goes in first).
Dude. You saved my ass. Thank you so much for this video !! I couldn't get the snap ring off and saw this video. I took a giant safety pin and bent the tip 90 degree and BAM!!!!!!! Simple as pie! I was like blown away it worked. Lol. Thanks buddy.
Nice trick with the syringe good idea.
Great video, really clear and helpful!
That brake fluid trick with the syringe works on cars too.....I use it on all brake jobs
Hi Taylor, great video as usual. I wonder if you would consider adding links to the new parts you install on your bikes? Basically a help for us other CB500 lovers in sourcing products.
Keep up the good work.
Yours,
Mark in Sweden
Why aren't you using Dot 5 silicone brake fluid, Taylor? It doesn't boil, displaces water, replenishes all the rubber in both the master cylinder and calipers so they never fail, and it's non-corrosive. Gets on your paint and polishes it as ya rub it off. I use it in all my bikes and every 4 wheeled vehicle I own. My '76 KZ900 (heavily modified for superbike racing years ago) has the same fluid in it that I put in when I swapped superior forks and brakes with stainless Teflon lines on 30 years ago! It's about to get a Hayabusa frontend update so I can have a matching wheel for the gixxer wheel on the back, also for the killer brakes and rigidity, of course. I'll have fresh fluid then too. :-)
Hands down the most anger inducing part of my entire rebuild was this god damn master cylinder
Great video, thanks
Hey! Having trouble with the spring and new piston freely moving within the cylinder walls. Continuously gets stuck after cleaning and using the grease. I look at the cylinder walls and they look fine. Thinking of just replacing the master cylinder now
Where did you get those grips? Dig this build man. I'm learning a lot from you. Thanks for all of these fantastic vids!!!
Great job . I noticed in my resovoir the two holes are very different sizes . 1 is a tiny pin hole . Should id be that diffrent ? Cheers jamie NZ.
Awesome video brother! Hey!! Where can I get that syringe? Thats an great idea!
Have you ever played around with using smaller diameter master cylinders on these bikes in an attempt to improve braking?
had to spray pb blaster in mine to get it to come out
What brand of front brake pads do you recommend for the cb750 (1976)?
I should have seen this before.. I just did the same job on my cb750 and it was a nightmare to bleed it..
Hi sorry abit new to all this but would be great for you to include reasons ‘why’ you would do this? In all your how tos really. It’s great to know how to do these things of course, but why is something we would benefit from :). My 550 front breaks aren’t good at all, I take it a rebuild would be my option? Thanks
Oh great, you didn't show how to get that little rubber plunger back in. How do you get it back in there?
What have you done to the sound?
Don't some people hone the cylinder too?
Good
Someone got a cool machine
Very Nice :)
Thanks man. Hoping to help a few people out.
Taylor: After you refill the system with brake fluid from the bleeder, do you close the bleeder screw before you start to pump the brake lever to remove the air bubbles? Or leave it open and connected to the syringe?
with this method, syringing from the bleeder i'm assuming you close the screw then pump. y
give me a bullit . ive been trying to get my snapring out for at least a hour . i think mine is overtop of the first ring that you pulled out . ive got 6 picks but none can get under it to pick it out. nothing ive done on this bike has worked without causing me 2days of frustration. y do previous owners do this , i just dont understand it .
What gripes and brake res/master are those?
Grips are from Tuffside and the master cylinder is the stock CB550 unit.
Where did you get that awesome socket wrench
It’s a Snap-on 1/4 inch. I believe Gearwrench has a similar one.
I was thinking the same thing .......but it's pretty obvious you have to chase down a snap-on truck and offer up an arm or a leg or your soul to get one🤔😬
How much were asking for that bike...and where do you list your for sale items?
This video saved me from buying a new master cylinder lol
Build a bike from the ground up. Unconventional style. See what you come up with
Ok; but no advice to inspect bore. Not any grease. Rubber grease or silicone grease. Lots of omitted data; and this is a "How to" video. You're teaching ?