KX Riders
Maintenance & Technical => KX500 Original => Topic started by: Uzi9mm on January 23, 2009, 01:59:26 AM
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Anyone ever crack an exhaust mount bracket? Does Kawasaki have steel brackets for sale?
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thats super common on most all 500s. (use the search function) the # 1 and 2 as you go from motor to tail pipe are the chronic problem. on my rig i've broken the $14.00 steel/ rubber dampner on the #1 spot and have had the #2 spot brake the tab right off the frame. The dampner/ mount that costs too much have lasted me tears so far. I don't know of any after market tabs.
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yep i broke the aloy piece once and also the mount on the pipe once,
also one mount on the frame once
diff k5 bikes and at diff spots
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Had many of them break. Had the frame bracket break, the pipe bracket break, the mounts break. And even had issues with springs falling off. I now think I have each of those issues addressed and not much breakage anymore. I do however have extra everything now, and watch that area closely. Whenever I take it apart, I watch real close on the fit, I have most shimmed, bent or braced.
John
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Had it TIG welded yesterday. The welder added some metal to re-enforce the bracket. Cleaned the area, ready for paint now. There's got to be a better way to mount a pipe. Those damper/mounts are junk and the frame bracket is pretty thin. I've had a couple of dampers rip but this is the first time ive seen a broken frame bracket. Anyone use aftermarket vibration dampers?
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it,s not aftermarket ,but homemade :wink:
i have taken a view of the dampers apart ,drilled a hole through the damper,
made steel plates of exact the same size .
bolted the damper right on the plates and back in place
still has the damping caracteristic but a little more firm mounting.
it works for me
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it,s not aftermarket ,but homemade :wink:
i have taken a view of the dampers apart ,drilled a hole through the damper,
made steel plates of exact the same size .
bolted the damper right on the plates and back in place
still has the damping caracteristic but a little more firm mounting.
it works for me
I think I have done something similar with the factory steel/rubber mounts. The rubber tore loose of the metal so I drilled straight through all three pieces and put a bolt through the center of the whole thing to hold it all together. Honestly, I dont get enough time on my bike to test the durability of this fix so I wouldnt bet my life on it but if others have tried a similar fix and had good results then I feel better about it.
-G
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it,s not aftermarket ,but homemade :wink:
i have taken a view of the dampers apart ,drilled a hole through the damper,
made steel plates of exact the same size .
bolted the damper right on the plates and back in place
still has the damping caracteristic but a little more firm mounting.
it works for me
I think I have done something similar with the factory steel/rubber mounts. The rubber tore loose of the metal so I drilled straight through all three pieces and put a bolt through the center of the whole thing to hold it all together. Honestly, I dont get enough time on my bike to test the durability of this fix so I wouldnt bet my life on it but if others have tried a similar fix and had good results then I feel better about it.
-G
same story here indeed ..they tore loose ,a few off m anyway .
you have done it too ,smart thing,if you are not sure of enough dampingcapability,
you can use longer bolts and a contra-nut ,then you can adjust the tightening.
i have them in since 06 and no trouble at all :)
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I had it happen on my YZ after it was stroked. The spacer plate raised the cylinder, which moved the pipe, etc, etc.
I removed all of the rubber between the two plates and replaced it w/ one of those shock mounts used for Harley oil tanks. They're available all over the place. Working great since 2003.
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Gdubb, since you put a bolt through the entire mount it will then transfer all the vibration to the pipe, and may cause more vibration related stress cracks down the road. The thing I would do is take the rubber and bolt out and order an isolator from an industrial supplier. Here is an example.
http://www.grainger.com/Grainger/items/2NNZ9
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Gdubb, since you put a bolt through the entire mount it will then transfer all the vibration to the pipe, and may cause more vibration related stress cracks down the road. The thing I would do is take the rubber and bolt out and order an isolator from an industrial supplier. Here is an example.
http://www.grainger.com/Grainger/items/2NNZ9
Yup, that's basically the Harley part. You can get 'em w/ male/male, like the one shown, female/female, or a half and half. It's really just a spring w/ rubber molded around/through it.
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Gdubb, since you put a bolt through the entire mount it will then transfer all the vibration to the pipe, and may cause more vibration related stress cracks down the road. The thing I would do is take the rubber and bolt out and order an isolator from an industrial supplier. Here is an example.
http://www.grainger.com/Grainger/items/2NNZ9
You suck for being right. :-D Both tabs have cracks at the welds. The bottom tab aint so bad yet, only 3/8 inch hairline. The top tab is bad enough that black goo is collecting on top of the head and starting to run down the cylinder but its on the back side of the pipe so I wont know how bad it is until I pull it off and have a look. Hopefully this is something that can be re-welded? I know it will mess up the plating but if its possible its probly much cheaper than a whole new pipe. Plus I have an FMF Burly which you cant even find anymore. Any suggestions fellas? I may just have to spring for that new PC2 setup I've been wanting but I'm trying to resist blowing my whole tax return on the bike. Pockets are on fire! :evil:
-G
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GDubb, you could have it TIG welded then polish the weld and spray it with some high temp clear coat.
http://www.caswellplating.com/vht/vhtclear.htm
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Sweet... thats what I was hoping to hear. I was thinking if I could get it welded I would have to touch it up with some high temp paint but a clearcoat never even crossed my mind. I think I'll have to try that here soon and post up the details on how it turns out. I'll get some pics too. Just dont expect it real soon... its gonna be a little bit before I get around to it but thanks for the great idea!
-G
PS... thumbs up on the sig Uzi.
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Make sure to check your coil tabs also. My broke on Sunday and the coils needs to be grounded to work. The tabs are just as thin as the exhaust brackets. I machined a new U-shaped for the coil to bolt to and drilled two holes in the old tab to mount it too.
-Rob
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Next time anyone finds a small tear in a rubber mount, try some super glue. Make sure the damper is clean etc.. glue it and hold it together snug. Just make sure the damper is not under too much strain after its re-mounted. So far, ive super glued 2 dampers and they are holding. Since then, I've made some adjustments to make sure the pipe isnt in a bind.
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just an fyi. went to local hardley dealer today just to see if they knew what damper i was talking about. he smiled and brought back approx 6 different ones to choose from, apparantly all harleys use them somewhere on the bike. i left with 3 for less than $12.
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If it doesn't fit should I force it?
I started to mount a used FMF Gnarly today. Pipe is tweaked away from the frame about 1"-1/1/2" from the mounts up top,,, cylinder end is good. I've had past experience with forcing the pipe to fit and breaking rubber mounts, brackets, and cracking the pipe,,, cause the pipe wasn't right ,,, I want to get this right. I'm thinking of removing the gas tank and seeing if I can squeeze it to the left by wrapping a ratchet load strap around the bike frame and pipe and cinch till it is in line.
Any suggestions from this knowledgeable crew will be appreciated.
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Didn't see your reply until now. Haven't been on in a while. I wouldn't use your bike as a jig to bend your pipe. If you or a buddy have a TIG setup. You could mount the pipe and cut off the offending bracket or brackets. Then make some new brackets and tac weld them. Then pull off the pipe and finish the weld. You can polish and paint or use some high temp clear coat.
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Didn't see your reply until now. Haven't been on in a while. I wouldn't use your bike as a jig to bend your pipe. If you or a buddy have a TIG setup. You could mount the pipe and cut off the offending bracket or brackets. Then make some new brackets and tac weld them. Then pull off the pipe and finish the weld. You can polish and paint or use some high temp clear coat.
Thanks Uzi,,, I do have to do a little bending to get it straight. I suspect the previous owner of this pipe went down on it while it was hot,,, it's bent where it goes into the jug. I've got to bend the head of the pipe over to the right. If I have to heat to bend,,, where can I find high temp clear coat?
Also is a .357 enough for the Canadian Grey Wolf.
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No prob ID. I haven't tried this stuff yet but here is the link...
http://www.caswellplating.com/vht/vhtclear.htm
I think a .357 mag would work nicely on any dog. Although, I prefer a sledgehammer like the FN SCAR in a .308 Available in semi-auto to the public this year!
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Thanks for the info on clear coat,,, I need to get it on my other toys too. I researched the FN SCAR,,, also a good suggestion. US Fish & Game insisted we needed the ecological balancing wonders of the wolf,,, and to make hunting them easier they brought in the biggest they could find. These fun pets have a discriminating taste for (tender vitals) small lambs, calves, fawns, preferably still in moms womb,,, and no they don't eat mom after killing her. They are breeding like rabbits,,, supposed to be 100 but now we have at least 800 not to mention the 700 in nearby states. One walked in front of me on the hiway a couple of weeks ago,,, no fear of humans. Oh well good thing the government is here to help us.
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LOL, the govt... another group of people trying to take your money who could care less about you.
You think its a matter of time before wolves attack a human?
I always liked the story about the conservationist guy who protected Grizzlys until one ate him. If I was concerned about being attacked by an animal or group of animals that could eat me, I would bring a rifle.
Let me know the details of the pipe repair and how it works out.
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I'm just worried about the little kids that live out on these ranches. A guy recently went out to save the family dog from a pack,,, he said the wolves didn't go after him but they stood there like he was no threat he clubbed them away from his dog,,, it lived. Coyotes in my experience are quite fearful of humans but they have been shot at for years,,, it will be interesting to see if hunting wolves changes their attitude toward the human. Hunting should begin this fall.
I'll report on what I do with that pipe.
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Mine has broken too!