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nswiley
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« on: June 01, 2014, 07:40:06 PM » |
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I am feeling a vibration under mid to heavy throttle, throughout entire bike can feel in the handlebars. It goes away after I let off and cruise. Any ideas. thinking maybe a u-joint but she only has 17k miles. I have had other Valkyries and don't remember this happening.
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Bighead
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« Reply #1 on: June 01, 2014, 08:50:37 PM » |
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Does it do it at any speed in any gear?
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1997 Bumble Bee
1999 Interstate (sold)
2016 Wing
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old2soon
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« Reply #2 on: June 02, 2014, 05:36:24 AM » |
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Buzz bolt maybe?? RIDE SAFE.
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check. 1964 1968 U S Navy. Two cruises off Nam.
VRCCDS0240 2012 GL1800 Gold Wing Motor Trike conversion
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Ricky-D
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« Reply #3 on: June 02, 2014, 06:24:06 AM » |
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See!
What you need to do is describe what you are experiencing in a more
thorough and descriptive way.
Just saying VIBRATION doesn't get it.
I'm not trying to be ugly, but what you say so far, is normal occurrence
with a carbureted engine.
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2000_Valkyrie_Interstate
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John Schmidt
Member
Posts: 15233
a/k/a Stuffy. '99 I/S Valk Roadsmith Trike
De Pere, WI (Green Bay)
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« Reply #4 on: June 02, 2014, 07:45:04 AM » |
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......but what you say so far, is normal occurrence with a carbureted engine+++++++++++++++++++++++++++++++++ Even more so if you happen to be lugging it in too high a gear for the speed you're traveling. Please give us a few more details if possible. 
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Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
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« Reply #5 on: June 02, 2014, 08:35:31 AM » |
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Does this monster have an aftermarket trigger ?
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nswiley
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« Reply #6 on: June 04, 2014, 03:05:39 AM » |
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Maybe it is just me as this Valkyrie is new to me. I can feel a vibration in entire bike under heavy acceleration but smooth when cruising. Like an old 4x4 truck that has a ad bad u joint. Its is not a grinding noise or feeling just a small but very noticeable vibration. I can feel in the seat and handlebars. Bike is all stock, engine wise anyway, Thanks.
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MP
Member
Posts: 5532
1997 Std Valkyrie and 2001 red/blk I/S w/sidecar
North Dakota
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« Reply #7 on: June 04, 2014, 04:35:17 AM » |
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Buzz bolt maybe?? RIDE SAFE.
I have that under load with the 2001 I/S with sidecar. Does it without the car too. From about 2400 rpm up to almost 3000 rpm. Noise, vibration. I have tried to tighten the bolt, already as tight as I can get it. Do not know if something else is making it or not. If it was pinging, I am sure the motor would have destroyed itself by now. I quite often run in 4th with the car on, otherwise I am cruising at speed that has the vibe, by going to 4th, I am above the 3000 rpm top where it quits. MP |
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 "Ridin' with Cycho" |
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Ricky-D
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« Reply #8 on: June 04, 2014, 07:01:54 AM » |
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17,000 miles
Very doubtful it's the U-joint.
What you're experiencing is normal.
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2000_Valkyrie_Interstate
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #9 on: June 04, 2014, 07:13:06 AM » |
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Question:
What gear, one or all?
What RPM is this happening.
Pull the plugs after a run and look at the bottom of the plug for little aluminum balls.
If you can, pull over and pull a couple of plugs ASAP from it happening.
IF you find these balls, it is pinging, from lugging in gears or crappy gas. Not sure where you live, but in Iowa we have a better mixture of gasohol with the 10%.
MGM has had some mods made to the engine and it will ping, if I happen to catch a gear at too low of rpm's and then snap the throttle open.
So, please give us all the details as to this occuring as possible. It will be most appreciated by all concerned in trying to help you.
Otherwise we are just shooting blanks into the sky and not hitting anything. We need a fairly good target to shoot at.
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44 Harley ServiCar   |
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pancho
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« Reply #10 on: June 04, 2014, 10:13:17 AM » |
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"I am feeling a vibration under mid to heavy throttle, throughout entire bike can feel in the handlebars"
There is a problem somewhere,, and it sounds severe,,, this needs to be chased down till it is found. Just because the bike has only 17K, don't rule out the ujoint being bad, rule nothing out.... the bike should be smooth and accelerating under wide open throttle.
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The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
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Louis Durocher
Member
Posts: 86
'99 Interstate
Montreal,Canada
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« Reply #11 on: June 04, 2014, 02:57:16 PM » |
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Make a research for the BUZZ bolt. You will find what you want
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 Have a safe ride |
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Hoser
Member
Posts: 5844
child of the sixties VRCC 17899
Auburn, Kansas
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« Reply #12 on: June 04, 2014, 03:08:51 PM » |
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When I had that problem, it was the drive shaft and pinion gear trashing each other. Fairly easy to fix and not too expensive. I replaced the u joint too while I was in there. I had 125,000 miles on it. Don't wait for it to go bang, check it and see. If it strips on the road you are done riding and into hauling. Couple hundred bux for parts. Hope I'm wrong. Hoser  |
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« Last Edit: June 04, 2014, 03:12:14 PM by Hoser »
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I don't want a pickle, just wanna ride my motor sickle  [img width=300 height=233]http://i617.photobucket.com/albums/ |
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twdurdentwd
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« Reply #13 on: June 04, 2014, 05:00:58 PM » |
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I guess his valk is automatic..
Alright. If you happen to have a trigger wheel, then you MUST use high octane fuel, if not, then you will have pinging. If you do not know if you do or don't have a trigger wheel, then try high octane fuel and see if it still happens anyway.
Next, if you ride, you obviously know that if you are in a high gear, like 5th and are traveling about 35mph, you'll have vibrating.. And so forth, respectively.
Next, check the tightness on your BUZZ bolt whatever the f*** that is, but that's what the other guy says, so do it.
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00' Valk tourer - 6-6, trigger wheel
00' Valk std - complete build
00' I/S salvaged.. Transplant to std
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Jess from VA
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« Reply #14 on: June 04, 2014, 06:37:32 PM » |
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My buzz bolt made vibrating noise and drove me crazy, but there was no vibration of the bike.
Still, crank it down.
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