Question about Harley Davidson XL 1200 C Sportster Custom Motorcycles

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I have a vibration i didnt have before . it comes on in upper gears under loads or pulling hills . i can feel it in my foot pegs and bars . just doesnt feel right kind of a loping and fast vib. at the same time .im a auto tech but not real good with harleys yet. aiso i can kind of hear it i think.any ideas would help thanks.

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When is the last time you did a "once over" on the bike? Go around the bike checking for loose bolts and stuff. Also check the tension on the primary chain and the final drive belt.

Good Luck
Steve

Posted on Aug 08, 2010

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Posted on Jan 02, 2017

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3 Answers

Unknown Vibration Feeling...


Hi, I would try electrical fault. Try this, If you have engine running and handbrake fully on, and foot brake on, put it in drive and accelerate. If engine is rough or vibrating it could be spark plug, leads or coil pack. Under load any one of these will fail and cause a rumble (vibration) in the engine, when the engine has come off load it will run fine. You could also try putting your foot hard down on the pedal from stop position as if you were trying to do a burn out. It will give you the same result as handbrake test. That could be your problem as you mentioned that when aircon is turned on it does it (which is putting load on engine), but as far as slowing down to corner??????.

Nov 20, 2014 | Cars & Trucks

1 Answer

Excecessive vibration in pegs,seat,and handle bars


Hi Anonymous, and the usual suspects are:
1. Wheels and or tires unbalanced, worn or damaged.
2. Engine/transmission/vehicle not aligned properly.
3. Primary chain badly worn or links tight as a result of insufficient lubrication or misalignment.
4. Engine to transmission mounting bolts loose.
5. Upper engine mounting bracket loose.
6. Ignition timing incorrect/poorly tuned engine
7. Internal engine problem/ flywheel shift
8. Broken frame
Good luck

Jul 26, 2012 | 2011 Harley Davidson FXDF Fat Bob

1 Answer

How do I change on my Buell M2 cyclone?


First be sitting on the bike, what you will need do do is hold onto the handel bars and start the beast, let it warm for a minut or two.

Once you have done this you are almost redy to change :-)

Ok heres here it get interesting, youll need to rest you left foot on the left foot peg what ever you do don't get confused and put the wrong foot on the wrong foot peg or somthing really bad might happen when you make the change!!.
Ok assuming that you've done that youll need to pull the clutch in, once youve done that gentley but firmley stomp on the gear leaver (Its the one on the lefthand side of the bike just infront of the left hand foot peg)

OK, you've now made the first change!!!! from here youll want to gentley release that clutch, once you feel the BUELL start to move your gonna wanna give it a handfull of throttle whilst ajusting your left foot to be directley underneath the BUELL, once you foot is inline quickley grab that clutch in again and lift you foot thats underneath gear leaver, rince and repeat :-)



Jul 27, 2010 | 2000 Buell M2 Cyclone

1 Answer

Cbr 125r 05 vibration


Your camchain maybe worn resulting in chain slap when engine loaded when still cold, or some valve lap delay resulting in pinging or blowback. (coughing). A top end inspection may be required

This may effect the vibrations but is likely to be loose engine to frame mounts or loose steering head.

Check play of rear shock mounts top and bottom for any play. This would impact through the frame and tank, bars etc., but is more to do with road surface and speed.

Are the wheels balanced?

Thoroughly inspect ALL bolts (engine mounts, engine head bolts, pegs, handlebars, triple clamps, swingarm, exhaust header and muffler mounts) for tightness as vibrations are one or two steps away from tumbling down the tarmac. Vibrations are the main cause of bolts loosening......

Goodluck and Cheers.

May 12, 2010 | Motorcycles

1 Answer

Would like to install crash bars on a virago xv250. How do I do this? Thanks.


Installing the crash bars depends on the brand you purchased. They usually come with instructions.
In any case, crash bars are attached to the upper section of the frame, on each side of the foot-pegs and under the main bolts of the engine block.
The crash-bars should stay rigid, without any vibration nor limit access to the foot/hand contols.

Dec 01, 2009 | 1996 Yamaha Xv 250 Virago S

1 Answer

1998 isuzu trooper vibration problem under load. Tires were just balanced and rotated. It has been getting worse over the last 2 months. New ujoints on the drive shaft. Still has a vibration when...


I would next check the condition of the engine, transmission and transfer case mounts. The mounts all have rubber inserts in them to absorb vibration and if the rubber starts to deteriorate or drycrack it can cause a vibration, especially under load.

Nov 22, 2009 | 1998 Isuzu Trooper

1 Answer

Car feels slugish when going up-hill, slight vibration, level and downhill runs ok, from start shifts through gears fine, just feels odd at times


problems you described would suggest you need to replace the spark plugs, a bad one tends to fail under loads like going up hill. the other thing you could try is to get a better fuel grade, that would correct pinging noises uphill. and throw in some fuel injector cleaner every 2000km, it makes a happy running engine

Nov 03, 2009 | 1991 Oldsmobile Cutlass Ciera

1 Answer

2000 Montero Sport shutters/vibrates in 2 and 3 gears


Could be a wheel bearing and/or a rear differential pinion bearing, which usually get worse when under load(going up hill). I would definitely start there.

Aug 07, 2009 | 2002 Mitsubishi Montero

1 Answer

Bad vibration engine trans under load


seems your problem is within your clutch,defective part,usually a defective release bearing will cause gear shifter and pedal vibration but not as bad as yours,but by pressing on clutch pedal vibration stops,point to clutch!

Apr 07, 2009 | 2002 Dodge Neon

1 Answer

My MT-03 is vibrating an making a bit of a tattling sound


Hi mattandem

I have replied already to your other post... didn't see this one... not sure what the vibration through the peg could be caused by as they mount directly to the frame. The frame being a substantial structure to the bike means that the vibration is being created anywhere on the frame,and you are feeling it in your foot peg. The only thing that comes to mind is that perhaps one of the tank mounting rubbers is not seated properly, or inadvertently rolled away on the garage floor. This is what I would be checking for.

regards
robotek

Dec 06, 2008 | 2008 Yamaha MT-03

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