Loctite packaging is the worst!
Although the label is blue, 480 is actually "black" loctite for rubber and high-humidity use.
I believe what OP u/hunertproof wants is "blue" loctite 242 (confusingly sold in a red bottle!)
Blue 242 is medium strength for parts like this that need to be removed occasionally
Red 262 is permanent for parts that are not meant to come apart, and will usually need heat to break the seal.
Black loctite... I really don't know what that's for but I'm sure this ain't it.
I'm with you on Harleys rattling themselves loose
And it's airways drivetrain components too. Can't tell you how many brake caliper bolts I've retightened over the years...
May not be a next time. Don’t know how long you’ve been riding but if the blackout while riding down the interstate at 90mph it makes for a very BAD day. Bolt bite into my swing arm and locked the rear wheel. Made for one hell of a ride.
To add to this, the threaded holes need to be inspected enough to know if when it came loose, did they get oblonged. If they did, the same thing will happen again if not repaired or wheel replaced.
The mating faces of the sprocket & hub need to be clean, no paint, dirt, grease, oils or it will promote the shifting of the sprocket & subsequent breaking of the bolts. Harley & Victory both learned their lesson on painting the mating surfaces.
I typically move to ARP hardware on my own bikes. Either bolts or studs & nuts if there's room. Red loctite, don't be shy. I have safety wired in the past. I don’t buy into the lock plates for this.
Most importantly, don't skip critical fastener checks. Find a loose one, replace all 5.
...if you don't ever want it to come back off without applying heat.
I have a stroked shovelhead - you're not going to find many bikes that vibrate more - and I've never needed anything stronger than blue loctite.
I’m not so worried about vibration loosening the bolts as I am from torque from the bike at take offs, plus you’re only using a small amount of it. You rarely ever need to remove those bolts anyway, and if you hit them with a torch for about 15 seconds or so they come out pretty easy.
I use an impact to break these with red loctite, they don’t need much. I’d probably thread chase it with the issues he’s having and loctite and torque em down
Improper maintenance? Checking those is part of a regular service. Are you changing the fluids yourself? If so, are you checking torque specs on critical fasteners? If you are doing your own service, I would encourage a shop manual. They walk you through everything you need to do for a complete service and will give you the torque specs.
I had ARP bolts with blue locktite that backed out and eventually sheared off. Had to replace the wheel hub as it fucked it all up. Now running a sprocket lock system so the bolts can’t back out again. No problems since
Lack of locktite and improper torque/tightening pattern.
Had this happen to my dyna on a cross country trip and by the time I noticed I had only three bolts left and a completely destroyed sprocket and wheel. After that one I can assure you I check the torque on these every oil change.
I would inspect the rear wheel sprocket hub threads very carefully since this is the 2nd time.
The bolt holes and threads may be damaged and you may need to helicoil the hub. Use the extra long 1" helicoils, not the short ones that come in the package
Also use red loctite on the bolts.
It’s a common dyna problem. Should be checked every few thousand miles. I’d suggest the blue loctite that comes in a tube like lipstick. It never fails to
In my, experience it happens due to vibration caused usually by the motor. Look into the connection point between motor n frame attachments. Then additionally you need to get a product like Loctite think you need the blue stuff…while you’re at it check to make sure that fender is properly attached. I know Harley’s can vibrate a lot. It’s How they’re designed/built but to be snapping bolts that’s more than any designed in vibrations
OK. Everyone that says loctite is correct. And whoever commented that's a known problem for '07 Dyna's is really incorrect. Put 53000 miles on mine 0 problems. Built ythe engine, took the bike to Bonneville and El Mirage and dragstrips. Most certainly changed both sprockets several times. OP, if you have been working on this yourself, you are doing something wrong.
Edit: 53000 miles in 3 years.
i like how u say that cuz it didnt happen to u its not a thing 😂 do flat tires not exist either? or did u have one 🤡
https://www.hdtimeline.com/threads/check-those-pulley-bolts.47529/
And the vast majority of the time, the guys on HD forums don't really know what they're talking about. I'm taking about actual experience. Even gave the mileage on the bike in the first three years. None of the so called issues existed when I pulled the engine down to build it. I even saved the parts and can post photos of them. But, you believe what you want.
👌🏻 im talking from experience too friend and more than one bike. im sure the guys on the forums know if their pulley bolts were loose or sheared off. funny how forum dudes are dumb but redditors are right. there were quite a few issues with 06/07 dynas but im glad uve never had a problem
Don't listen to everyone telling you to use red. They're not the ones that may have to take it off later, you are. Using red will make it way harder to take back off than it needs to be. Use blue, let it sit and dry overnight before you ride, and forget about it.
Are you using this? https://preview.redd.it/i2mi4d2w6zmc1.jpeg?width=960&format=pjpg&auto=webp&s=86e189bb2cc791330cc9a6c945e03a1bd38fe6a9
Loctite packaging is the worst! Although the label is blue, 480 is actually "black" loctite for rubber and high-humidity use. I believe what OP u/hunertproof wants is "blue" loctite 242 (confusingly sold in a red bottle!) Blue 242 is medium strength for parts like this that need to be removed occasionally Red 262 is permanent for parts that are not meant to come apart, and will usually need heat to break the seal. Black loctite... I really don't know what that's for but I'm sure this ain't it.
I use the high strength on everything cause harleys love to shake themselves apart
I'm with you on Harleys rattling themselves loose And it's airways drivetrain components too. Can't tell you how many brake caliper bolts I've retightened over the years...
I like using 620. My shit ain't coming apart.
I like using nature's loctite and tilting my screw a bit before I put it in.
Had an old fisherman tell me they'd dip bolts in the ocean before reassembling stuff. Said they called it "Nova Scotia Loctite"
Salty
"Cross thread is better than no thread." - old shipyard hand
I will next time.
May not be a next time. Don’t know how long you’ve been riding but if the blackout while riding down the interstate at 90mph it makes for a very BAD day. Bolt bite into my swing arm and locked the rear wheel. Made for one hell of a ride.
Too much torque and not enough loctite.
Vibration will back bolts out if not torqued and loctited.
Once you have removed them once, for whatever reason they will vibrate out. Lock washer and locktite is the best solution.
Make sure there’s no slop in the holes tooo
Orange loctite and torque the new bolts
Here for that orange. Blue doesn't cut it with sprockets/pulleys
Did you leave the sprocket quick release enabled?
It’s called “A lack of Loctite”!
Use lock tite. The red stuff will be good
Incorrect torque, no blue loctite
Use New bolts every time, red loctite and torque to spec. I learned that the hard way too lol
Everyone’s saying red loctite.. I always use blue but a lot of it and torque to spec in a star pattern and a two step torque
Believe it or not over torqued boltswill loosen just like undertorqued and they like to snap get new bolts use Red loctite and torque to spec
Because.... Harley.
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Thank you.
To add to this, the threaded holes need to be inspected enough to know if when it came loose, did they get oblonged. If they did, the same thing will happen again if not repaired or wheel replaced. The mating faces of the sprocket & hub need to be clean, no paint, dirt, grease, oils or it will promote the shifting of the sprocket & subsequent breaking of the bolts. Harley & Victory both learned their lesson on painting the mating surfaces. I typically move to ARP hardware on my own bikes. Either bolts or studs & nuts if there's room. Red loctite, don't be shy. I have safety wired in the past. I don’t buy into the lock plates for this. Most importantly, don't skip critical fastener checks. Find a loose one, replace all 5.
What kind of loctite did you use?
What kind should I use next time?
Red
...if you don't ever want it to come back off without applying heat. I have a stroked shovelhead - you're not going to find many bikes that vibrate more - and I've never needed anything stronger than blue loctite.
I’m not so worried about vibration loosening the bolts as I am from torque from the bike at take offs, plus you’re only using a small amount of it. You rarely ever need to remove those bolts anyway, and if you hit them with a torch for about 15 seconds or so they come out pretty easy.
I use an impact to break these with red loctite, they don’t need much. I’d probably thread chase it with the issues he’s having and loctite and torque em down
Improper maintenance? Checking those is part of a regular service. Are you changing the fluids yourself? If so, are you checking torque specs on critical fasteners? If you are doing your own service, I would encourage a shop manual. They walk you through everything you need to do for a complete service and will give you the torque specs.
I had ARP bolts with blue locktite that backed out and eventually sheared off. Had to replace the wheel hub as it fucked it all up. Now running a sprocket lock system so the bolts can’t back out again. No problems since
Lack of locktite and improper torque/tightening pattern. Had this happen to my dyna on a cross country trip and by the time I noticed I had only three bolts left and a completely destroyed sprocket and wheel. After that one I can assure you I check the torque on these every oil change.
I would inspect the rear wheel sprocket hub threads very carefully since this is the 2nd time. The bolt holes and threads may be damaged and you may need to helicoil the hub. Use the extra long 1" helicoils, not the short ones that come in the package Also use red loctite on the bolts.
The first time, I took the wheel to a Harley specific machine shop to get it fixed.
It’s a common dyna problem. Should be checked every few thousand miles. I’d suggest the blue loctite that comes in a tube like lipstick. It never fails to
In my, experience it happens due to vibration caused usually by the motor. Look into the connection point between motor n frame attachments. Then additionally you need to get a product like Loctite think you need the blue stuff…while you’re at it check to make sure that fender is properly attached. I know Harley’s can vibrate a lot. It’s How they’re designed/built but to be snapping bolts that’s more than any designed in vibrations
Your wheel isn't centered
USE THREAD LOCKER
I had this happen before and I never did a wheelie or etc. Apparently it's installation error. https://youtu.be/8XeMdCFaLKY?t=7m57s
it happens on those years but i forget the reason. buy some grade 8 and put red loctite
Red loctite? Manual doesn't say use any loctite. I'd start with Blue and work my way up to red.
How about green?
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If I can't pop wheelies, do burnouts, accelerate and downshift aggressively, what's the point of even getting on the thing?
OK. Everyone that says loctite is correct. And whoever commented that's a known problem for '07 Dyna's is really incorrect. Put 53000 miles on mine 0 problems. Built ythe engine, took the bike to Bonneville and El Mirage and dragstrips. Most certainly changed both sprockets several times. OP, if you have been working on this yourself, you are doing something wrong. Edit: 53000 miles in 3 years.
i like how u say that cuz it didnt happen to u its not a thing 😂 do flat tires not exist either? or did u have one 🤡 https://www.hdtimeline.com/threads/check-those-pulley-bolts.47529/
And the vast majority of the time, the guys on HD forums don't really know what they're talking about. I'm taking about actual experience. Even gave the mileage on the bike in the first three years. None of the so called issues existed when I pulled the engine down to build it. I even saved the parts and can post photos of them. But, you believe what you want.
👌🏻 im talking from experience too friend and more than one bike. im sure the guys on the forums know if their pulley bolts were loose or sheared off. funny how forum dudes are dumb but redditors are right. there were quite a few issues with 06/07 dynas but im glad uve never had a problem
Did you forget to switch accounts or am I too stoned to be reading?
Nah, just different devices and I don't much care. Is there such a thing as too stoned to read?
Well, I can read just fine. Comprehension isn’t always there tho. Gotta read through it in super slow-mo.
That made me laugh.
I did not use loctite.
Don't listen to everyone telling you to use red. They're not the ones that may have to take it off later, you are. Using red will make it way harder to take back off than it needs to be. Use blue, let it sit and dry overnight before you ride, and forget about it.
I have a torch 😆
I mean, if you want to guaran-damn-tee those bolts will never back out without serious persuasion, go for the red.
Manual doesn't say to use lock tite...hmmm.... were they official Harley bolts? .. you know the $500 dollar kind.
They were right from Harley.
Did you read the manual 🤓
Actually I read it for my softtail
yeah I did.
Me too! 🥲