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My 98 roadking is making a chirping sound in the motor

My 98 harley road king is making a chirping sound in the engine whats causing this

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: shift pattern

1st gear all the way down (toe shifter, not heel). Lift up N,2nd,3rd,4th,5th-6th(if applicable)

Posted on Nov 17, 2008

  • 21 Answers

SOURCE: what are the pros and cons of synthetic oil in

Using synthetic is all "pros" in my opinion. I've done a lot of research on line and talking to motorcycle mechanics, local riders, local landscapers who all use synthetics. There is a ton of scientific data and wear comparison data out their- so much that, for me, it's a no brainer to use synthetic. After hours of research I decided to use nothing but Amsoil. Make sure you specify the Motor Cycle oil as it is specifically formulated for bikes. You can usually find it locally. Harley has theirs made for them by one of the major oil refineries- they just put their name on it and mark it up tremendously. Amsoil's specs are the best I've found. I have a 2007 Dyna Super Glide with Vance Hines pipes and a 96 Harley Low Rider with a Crane cam, tricked out chrome and 2 piece 3 spoke "saber" wheels- a real beauty!

Hope this helps and good ridin'!

Posted on Mar 13, 2009

joecoolvette
  • 5660 Answers

SOURCE: when riding 2005 fuel injected harley road king,

Sounds like the intake manifold is leaking. The area where the leak usually happens, are those two rubber sleeves that go from the heads, (Cylinder heads) to the intake. Sometimes the clamp/s loosen up. Sometimes these rubber sleeves deteriorate, and cracks form.

This makes the engine backfire, pop, and idle fast.

The added air at the wrong time cause a backfire, when you let off the throttle. The added air causes the engine to pop, because the exhaust valve has sucked up some cold air.
The engine idles fast, because more air is being introduced, and not metered by the injection system.

(The exhaust valve thing. Exhaust valves are supposed to open, and let exhaust out right? Well there is a thing called Valve Overlap.
The Exhaust valve hasn't closed all the way yet, and the Intake valve is opening.
The 4 stroke engine, (Of which a Harley is), has these four strokes.
1.Intake Stroke. Fuel/air is sucked in.
2.Compression Stroke. The piston comes up and squeezes the fuel/air mixture.
3.Combustion Stroke. The spark plug lights the fuel/air mixture off.
4.Exhaust Stroke. The spent gases are expelled out.

Your Road King has one camshaft. There are four cam lobes on it.
Intake, Exhaust, Intake, Exhaust.

If you had the camshaft in your hand, and had the gear end facing you, look down the camshaft. You will see those egg shaped cam lobes. You will notice that No.1 cylinder Intake lobe is facing to the left.
No.1 Exhaust is facing to the right.

If you put a degree wheel on the gear end of the camshaft, and had the No.1 Exhaust lobe ramp nose facing straight up, you would see that it's about 110 degrees, before the Intake lobe ramp at .050 lift, comes into play. (The roller, of your roller lifter has raised the Exhaust valve up .050 inch) There is about 55 degrees before the Exhaust valve hasn't quite shut.
This is okay for normal running. Introduce a vacuum leak, and the surge of extra cold air, makes it pop.

Solution? I suggest checking to see if the clamps on those rubber sleeves are loose. You can also spray WD-40 towards the ends of each rubber sleeve, when the engine is idling, and see if it speeds up. Means, one or more, of those rubber sleeves has deteriorated.

Posted on Apr 25, 2009

v2iper
  • 150 Answers

SOURCE: what size spark plug for a 2000 harley davidson road king carbed,

Your Twin Cam plug should be a 6R 12 Harley Plug. Often times the back fire is just the nature of the beast depending on what type of pipes you are running. Harleys do run lean, its an EPA thing thtas why they choke them down from the factory. Since you have a carb you could have an intake leak around the Intake. Also Under the carb is an adjustment screw. Harley plugs it up so people don't play with it. You have to just drill out the plug this will set your air fuel. Whenever I take a carb off I drill out that plug. Heat your bike up operating temp and ear tune that screw. Only other way is with air fuel analizer or a dyno. good luck.also that backfire is caused by fuel hitting your exhaust when you let off just to let you know.

Posted on Jun 15, 2009

wd4ity
  • 4565 Answers

SOURCE: oil change procedure 2000 road king

the oil tank is on the bottom of the transmission in your RK. There are two drain plugs. The plug towards the front left of the pan is the oil drain plug. The other one is for the transmission.

Drain the oil, replace the filter, refill with three quarts of oil and you're ready to go. The dipstick has two marks on it. The upper mark is "FULL HOT", and the lower mark is "FULL COLD". Do not overfill.

Don't forget to service the transmission and the primary at their recommended intervals.

Good Luck
steve

Posted on Jul 26, 2010

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