Question about 2004 Harley Davidson XL 1200 R Sporster Roadster

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Harley engine tapping during accelerAtion and shifting thru gears

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What kind of tapping??? It sounds like someone needs to road test to help you with.

Posted on Oct 18, 2014


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Posted on Jan 02, 2017

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SOURCE: 03 sportster 1200 custom harley davidson won't shift into gear

The most likely cause is the clutch needs adjusting. follow the instructions in your manual.

Posted on Jul 25, 2012

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Besides clutch plate not releasing what else would make my harley not move while in gear

Hi, Derek assuming you're talking about your 1981 Sportster and the engine is running and you pull the clutch lever and shift into 1st and let the clutch lever out and the bike does not move then you may have the following issues:
1. Clutch not engaging.
2. The transmission is not in gear.
3. There is a broken component inside the transmission.
For more information about your issue and valuable "FREE" downloads that you will need, please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at Good luck and have a wonderful day.
Bike runs shifts thru gears but doesn move Harley Davidson Forums
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Jun 21, 2017 | Harley Davidson Motorcycles

1 Answer

Hesitation while accelerating

The automatic tranny relies on vacuum pressure from intake manifold to signal when to shift. As the engine RPM increases, there's a proportional increase in intake manifold vacuum pressure. When vacuum pressure reaches a certain point, that signals the tranny to shift up to the next gear. When this vacuum hose has a crack or loose connection, it sends the wrong signal as to when to shift because vacuum pressure is dropping as air enters through the leak source, which the tranny interprets as a need to shift down to a lower gear. Replace all the vacuum hoses and see if this solves the problem. Look at the tranny and identify any air hose connected to it. These are vacuum hoses that you should replace, which usually there's only 1 or two connected to the air intake manifold.

Nov 29, 2013 | Subaru Impreza Cars & Trucks

1 Answer

2006 Harley Electra-Glide, Twin cam 88, six speed tranny slipping/popping gears when under acceleration. Multiple pops. Tried adjusting clutch and it got worse. Mainly in lower gears but does it...

If your clutch is not slipping check your shift linkage joints. Rocking the bike lets you know your tranny has gears but the shifter pawl may need adjustment

Oct 26, 2013 | Harley Davidson Motorcycles

1 Answer

Why does my ****** shift hard and engine revs high during slow turns or acceleration on my 2000 ford taurus ffv?

Torqu converter clutch seems bad, drive uphill with 1 foot on gas & tap brakes at same time, if engine revs up, this is the problem

Jul 12, 2012 | 2000 Ford Taurus

1 Answer

Motor cuts out at the top of 3rd gear during acceleration

You do not have this problem in any other gear, just third gear? What year and model bike are we talking about here. If you shift to fourth gear, does the bike pick back up again or does it continue to falter?

Aug 25, 2010 | Harley Davidson FLSTC Heritage Softail...

1 Answer

My 2005 springer vibrates as i accelerate up thru the gears...yet when i clutch it goes away. I have had the dealer replace the compensator sproket and the rotor

You 05 model has the TC88B engine. This is the counterbalanced engine and there should be no engine vibration. I'd suspect something on the right side of the engine that drives the counterbalances.

Good Luck

Jun 09, 2010 | 2005 Harley Davidson FXSTS - FXSTSI...

1 Answer

I am experiencing a vibration (at low speeds) thru

First of all you must check the gear box oil level,secondly see if the the gear box mountings if they are good,if the is cracking on it,it must be replace.

Feb 03, 2010 | 2007 Honda CR-V

1 Answer

5 speed having truble exalerating

engine knocking is produced when when the pistons misfire. Try adding Octane 89 at the pump. if that fixes the noise then all set, if not then you have another problem much bigger.

Poor acceleration can be from drivers error. make sure you shift and the correct time and at the proper RPMs. Lets assume you are shifting correctly, the poor acceleration could be from a leaking head gasket.

Aug 09, 2009 | 1996 Pontiac Sunfire

1 Answer

2002 heritage softail classic revs during shifts

is the throtle cable free it my be hung up under the tank or somewhere in the routing

Jun 22, 2009 | 2000 Harley Davidson FLSTC Heritage...

2 Answers

Automatic Transmission Rough Shifting

From the sounds of it you need to have your transmission rebuilt, there is no quick fix for a fault in one gear. As far as the tapping noise goes quite often a oil change is all that is required to cure it.

Feb 08, 2009 | 1999 Volvo S80

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