Question about Harley Davidson FXDL Dyna Low Rider Motorcycles

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Knocking noise But it's under header on my bike and didn't hook up the O2 sensors I didn't put a stage to download on the motor was running lean and long oil at 1:20 and start hearing and knocking noise coming from the motor pull over and primary fluid leaks all over the ground

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  • live2placefi
    live2placefi Jul 21, 2013

    I meant the motor was running lean and I was low on oil and at about 120 miles an hour I started hearing a knocking noise coming from the motor I pulled over and shut the bike down primary fluid started leaking all over the ground bike still starts but it has a slight nock to it

  • live2placefi
    live2placefi Jul 21, 2013

    Add a Commentyeah but what all are the possibilitys. Lifters, valves?

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  • Expert
  • 352 Answers

OBVIOUSLY A MAJOR GASKET AND/OR COMPONENT FAILURE

Posted on Jul 21, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: have noise in front of primary only with passenger

Sound like a loose Compensator nut.

The compensator nut is the part (the nut) that attaches the front sprocket to the motor crank.

When a cylinder of a v-twin fires there is a very strong power pulse. To keep from shaking the bike and rider apart these pulses have to be "smoothed" out. Harley does this by NOT solidly attaching the front sprocket to the engine - they use a "compensating sprocket".

A crank shaft extension, double sprocket, sliding cam, and a stiff spring together form a "compensating sprocket". When a cylinder fires, the power stroke is smoothed out by the action of the compensator cam and springs.

The compensator nut is what holds the compensating sprocket assembly on the crank.

There are a LOT of forces acting on this nut and sometimes the nut loosens up. A loose compensator nut results in a compensating sprocket that can move laterally on the crank. A loose compensator nut therefore is one potential source of engine vibration.

Harley-Davidson issued service bulletin a while back that changed the procedure for tightening the compensator nut, after a spate of bikes had problems with this nut working loose.

Check with your local Dealer to get the correct torque spec and procedure for your year bike.

Posted on Mar 25, 2009

BearWeb
  • 357 Answers

SOURCE: Yamaha 2002 TTr 250

Hi hoeygatt

Look around your bike near where the throttle cable meets the engine, when you pull the throttle, the cable pulls a quarter circle piece of metal which is connected to a spring, then connected to that should be a screw, that is the idle screw, turn it very slightly, usually clockwise to make the idle higher, and this should sort out the problem.

Please remember to rate this solution as FixYa!

Kind regards
BearWeb

Posted on Apr 12, 2009

roadrunning1
  • 152 Answers

SOURCE: oil leak from the front of the motor

Its funny you should mention this but yes, I had its bigger brother the GS 850 G , same problem, Apparently, in my situation I did the same thing and went to the shop and let those butchers make it worse !!!, the way i found my leak was by washing the motor with a grease and oil cleaner , strayed the whole motor and wash it all off totally, then I turn her on and let her get to operating temp went for a few mile and came back and checked it, for me it was the head gasket   the guys put on and i forced them to do it again,  I found out later that it was common with the suzi's of that model and ended up doing it myself, I used the original gasket and used a compound called gasket goo and it never leaked through out the 8 years i had it . But before you do anything , surly they gave you warrant y on the work so take it back and demand they do it properly.
Cheers and ride safe

Posted on May 18, 2009

  • 16 Answers

SOURCE: Oil/Water mixing and leaking

you need to rebuild your engine sounds like you have a gasket leaking or you warped your primary

Posted on May 25, 2009

  • 1 Answer

SOURCE: leaking something

I NEED MAIN GRAPHICS AND SHADOWS FOR KAWASAKI ZX9R 2002!PLEASE WRITE ME IF YOU CAN HELP!
MAIL TO:MERIJ7@ABV.BG
THANK YOU!

Posted on Dec 16, 2009

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