DOC HARLEY: BRAKE ROTOR RUN OUT
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- Опубліковано 13 жов 2024
- Doc Harley from the Service Clinic at Low Country Harley-Davidson to help you with the health of your motorcycle! This week he responds to a video request from Brian in New Zealand - here is Brake Rotor Run Out.
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Doc Harley is a motorcycle technician at Low Country Harley-Davidson with over thirty years working on motorcycles. Over the years at the dealership he has worked on Harley-Davidson, Buell, and Triumph motorcycles with a few other brands here and there from trade-ins. There are thousands of how-to videos out on UA-cam and other websites across the world. Doc’s goal is to help solve problems that people run into when using their service manual, share insights only found as a certified Harley® technician, and some of the tips he’s picked up over the years.
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Great info and demo. A picture is worth a thousand and a vid is worth a million. Thanks a million!
Use new bolts.
Boy I'm glad I watched this one.
Thanks Doc!
Hey Doc! always great videos and tech tips...It was a pleasure meeting you this past April at Low Country....
Thanks for coming to Low Country👍…Doc
Great video, you may want to touch on rotor parallelism in conjunction with runout. Keep up the good work!
Ha ha, now I know who's the one coming off the freeway at 80 mph. 😅
Nice, thank you. Learned something.
Thanks Doc Harley! Keep ‘em come’n!
Thank you for sharing your knowledge!
Awesome Video Doc.. 80 is my avg speed anywhere!! LOL. Can you please send me the info on your dial indicator and magnetic mount? (I understand the ViceGrip), Thank you
Awesome possum I’ll be checking mine soon
When I spin the wheel, I can here it rubbing on the pads . Not always, just when it hits a certain spot. I assume it is warped...? Also pulls to the left when ridding . 09 Heritage. Thanks !
Sir great video, but you didn’t Mention the rear brake run out can you explain that one later video. Thks
Good Idea, Thanks.....Doc
Fella, you're the best
Another great job Doc. Thanks
Thanks for another helpful video 👍🏻
Thanks Doc.
Good information
Great info!
What's up Doc,
Thanks for the videos sir.
Thanks Doc, great info.
Another great one. On the topic of brakes, braided steel lines, are they worth the upgrade? Thanks in advance.
Mike Todd yes
Thank you!
Is the problem the bearings or a warped rotor? I had them change out my rotor once and it was fine for a while then the pulsing started again.
Great video
Awesome Doc!
Thanks Doc...👍🏻
Would them being out cause high speed wobble?
There is some thought that a brake could drag and have some input to front end.....more likely "high speed" has more to do with wobble...Doc
@@LowCountryHarleyDavidson I ride 20k plus miles a year and never had a problem. It started out hardly noticeable at 120mph. now very noticeable at 85mph.
can a brand new motorcycle do this runout because the brake System is new?my brake disc is doing little touches to the brake pads and my bike has only 15k on it.the touch is like runout the sound is like:phisss phisss phisss,u will help a lot if u answer me,thanks
It is possible, especially if they are chrome disc....Doc
@@LowCountryHarleyDavidson thank you for your time and good videos🌹🌹🌹
hey doc would I feel a rumble in my front end of my bike if I was going about 20-30 if my rotor was warped?
Any info about centering the disc to wheel and radius runout,the disc doesn't fit hub snug or bolts won't center it,I used tapered centering pins but have lots of runout but not side to side like you are set up to check,I can find nothing on subject
Stop what you are trying to do. Get on the Net and find the correct spacer to fit your disc and wheel. Having no spacer is a weak mount…..Doc
That strap placement is not going to do squat if that bike goes over. It will just slide down the engine guard.
Good video though!
Cool
I had a 2015 Street 750. Jacked up the bike to clean the wheels. Started spinning the rear tire. Before I wet the wheel. Heard a Squeak. Dealership Writer heard the noise over the phone. I also recorded it with my phone. Stopped making the noise when I took to the shop the next day. Played the video to the mechanic. He shakes the rear wheel. NPF.
So Doc, i have a question. How often should a cable clutch on an 2014 FLHTP be replaced? I had heard that because of all the hard riding we do and the demands we put on the bikes that the cable should be replaced about every 5 years? Thoughts
Jose' A nice preventive maintenance question. I have not tracked a clutch cable life. With proper maintenance which include cleaning and lube, a cable can last over 5 years. But of coarse where the bike lives ie outside or in. In the desert or swamp plays a big part. Most of the time it comes down to “feel”. Easy to pull or not
Thank you for the info
If it is a OEM original clutch cable and being a 2014 FLHTP it should never need any lube on the cable , Harley Davidson started using a cable that had the steel core wrapped in a teflon type coating. If you or your service technician used any lube on it will cause the teflon coating to swell and make the cable pull excessively harder. We have replaced many clutch cables at my dealership on bikes that backyard butchers have lubed.It was the late 2000's when the cables were changed.
Bearing replacement ? 50k or 100k, i would hate to replace when it completely fails.
50K or 100K would be OK. Factory says to inspect at every service and replace when needed. ~ Doc
High way
I hope I get a reply.
I'm looking into a 2012 Heritage classic from a dealer.
With around 10,000 miles.
Do you think it'll be a good idea to get used, or just save more for a new bike?
Keep looking
@@theone2be33 I sure did, and it sold the day I test rode it hhaha
@@gregoriojuarez1579 that sux. Keep looking
10,000 miles is low for a 2012. Ask to see the service records. Buying used can be OK if you do your research. Buying new comes with a 2 year warranty. ~ Doc
Never buy a brand new motorcycle from a dealership. Made that mistake twice. Always buy used.
how many millimeters in the front rotor? I got 4.5 mm in the back disk but I don't know how many mm in the front disk minimum as well. Thank you.
It is printed on the disc....Doc
@@LowCountryHarleyDavidson Hi Doc thanks but in the front disc I CANNOT SEE ANYTHING LIKE THE PRINT ON THE REAR DISK! Where its suppose to be written I have a sportster xl883n 2017 I cheched the front disc I coulrd find any...always great videos Doc
@@LowCountryHarleyDavidson Doc! I would like to know, I am very low rear oil brakes and practically almost finish the front oil brakes in the brakes tanks. My bike is a sportster 2017. Bought it on mid 2018 practically new and all filled up. I didn't change the brakes oil because wasn't necessary and because the bike has only less than 5000 km. What I want to do is just fill the brakes oil dot 4 original harley davidson for my sportster without bleeding her our. The oil color still clear. BUT Can I actually just fill the oil at this point? I searched around but if the oil is almost finish and it's not darken that much is that all so bad? Let me know if it''s a big deal please. Thanks
Hey Doc My rear brakes squeks, And when I slightly press rear brakes its stops squeking, Any idea why its squeking ?
HD uses semi-metalic material in the pads to increase stopping ability in rain. A small tech tip. remove pads, bevel the edges, clean and install....Doc
@@LowCountryHarleyDavidson Thanks Doc 👍🏻
@Doc Harley: is that sound as you rotate the front wheel the sound of the brake pads riding on the rotor?
The caliper (with the pads) was not attached. The sound was the dial indicators tip riding the rotor.
You can also get bad run out by forgetting to take off the disk lock. You think I would learn the first time , nope I had to do it again
What's the tork spec on the rotor, thanks
Please look this up in your Harley-Davidson Service Manual. Glad you are using a torque wrench 👍 Thanks ~ Doc
80 mph real
Replace all the Harley junky parts and you'll be fine
Wooo
Fella, you're the best
I appreciate you watching…Doc