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Tapping noise gets louder on my Harley sportster once warmed up Isn't there when I first start it though its an Any ideas

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  • Motorcycles Master
  • 1,190 Answers

Check valve lifter gaps ! have you got the correct grade oil in the motor ?

Posted on Mar 19, 2014

  • Geoffrey Mar 19, 2014

    Just bought the bike haven't changed oil yet



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Posted on Jan 02, 2017

  • 36 Answers

SOURCE: Won't start?

With just this info.Not knowing if the engine is stock or has bigger cams or high comp pistons.I would say check the starter solenoid by running jumper wire from one side to the other.then check ALL connections for corrosion and tightness

Posted on Jan 24, 2009

cape cod bob
  • 292 Answers

SOURCE: 82 harley sportster brake light

try starting with the bulb. brake light bulbs are dual fillament, meaning you have 2 bulbs in one basicly. if your brake side has blown then the tail light could still work. Or try checking the brake light switches, one on front brake and one on rear brake pedal. to test switches disconect wires and join them together with small bit of wire or paper clip. this will make the light come on meaning you have a bum switch.
if you have only been using the rear brake, that has an adjustable switch, may need to mess with it

Posted on Mar 29, 2009

  • 150 Answers

SOURCE: harley sportster clutch

You just need to adjust your clutch cable.

Posted on Jun 27, 2009

  • 218 Answers

SOURCE: 2003 Harley Davidson Sportster 1200 Custom Tachometer kit

The only idea that i can come up with is that you dont have a good ground..or the guage was bad when you bought it..i hope this..Keith

Posted on Jul 02, 2009

  • 4565 Answers

SOURCE: diagram for 1984 harley sportster

contact me directly and I can scan a parts diagram for you
wd4ity @

Posted on Sep 23, 2009

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1994 sportster not pushing oil, tapping noise

Hi Anonymous, take it back to the person you paid good money to, for producing that tapping noise. Good luck

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1 Answer

I have an 883R converted to a 1200 w/Andrews Cams and a Mukini Carb. Since the conversion the top end leaked oil which a friend changed the gaskets on. However, since he changed the gaskets, the...

I'm going to guess at this one since I can't hear it. I'm going to guess a blown head gasket. People describe the noise in different ways. Some say it sounds like a squeak and I think it sounds like a whistle. Let the bike sit overnight and get stone cold. Before you try to start the bike, pull the spark plug wires off the plugs but leave the plugs in the heads. Open the throttle wide open but leave the enricher off. Turn on the ignition and press the starter button. Is the noise louder when you do this or is it louder when the engine is warm. If it's a head gasket, it should be louder when the engine is cold.

The only thing on the upper left side of the engine is the rocker arms and valve springs. There is a possibility that your friend got the center portion of the rocker box cover just a bit too close to one of the valve springs and it's hitting the center cover. Take a screwdriver and use it like a stethoscope and see if you can locate the noise. Feel the "alignment" of the lower, center, and upper rocker box covers. If the center and top cover are not in their proper position, this could be the problem.

Good Luck

Mar 08, 2011 | 2006 Harley Davidson XL 1200 C Sportster...

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