Question about Harley Davidson Motorcycles
Road king only has about 4500 miles on it
Posted by Anonymous on
Does this happen all the time while riding? or just a few minutes after starting it?
Posted on Jan 07, 2015
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Posted on Jan 02, 2017
White smoke indicates water in the combustion chamber. If the bike is still running okay I would keep an eye on the coolant level, make sure you're not losing any. Best guess is a blown headgasket. You can do a leakdown test or a compression test to check. If your headgasket is blown, two adjacent cylinders should show lower compression since pressure will be leaking from one to the other.
That's the kind of thing that probably won't run for long. Be sure and keep an eye on your oil level too, if you happen to be leaking coolant into the oil you can dilute the oil to the point it no longer lubricates very well.
Posted on Jan 05, 2009
SOURCE: white smoke from one tail pipe
As u know - that smoke is oil . can be cause by restricted breather or oil filter, worn valve guide or seals. or a bad piston ring which seems the most likely if its just coming outa one pipe. A compression test will tell ya if thats it
Posted on Mar 13, 2009
SOURCE: valve noise 2006 road king
Hello redevil67...This is normal for the HD engine, it going to have valve train, top end noise at some point, some as early as 2000 miles. If you take it to the dealer they will try to sell you on worn tappets...key word here SELL..I've seen this many times, dealer replaces componets, 2000 miles later the noise returns.
These are hydraulic valves and as you probably know they operate at zero lash. Personaly, i feel that the problem is that the cams are not hardened properly or machined incorrectly.. When the leading edge of the cam lobes wear to a strange profile it tends to snap the lifter up in the lifter bore. This causes the rest of the valve train to rattle. You hear the noise on top but the culprit makin it, is the cams..Many chose to go with an aftermarket cam, such as an andrews...Another suggestion, is to switch oils. Don't know what you are useing now, but i'm not a fan of dino oil. As the temperature builds the more an oil is stressed. Lucas full synthetic 20w-50 or Mobil1 15w-50 are both excellent for anti-wear and long term protection.
I hope this helps, please rate me a fixya and good luck with your bike.
Posted on Jul 30, 2009
Shaking and vibration is normal for most Harleys, it's caused by the angle of the twins, it's normal for mostly all Harley motorcycles.
Posted on Aug 11, 2009
run the bike on 40:1 oil and petrol and then on the carb find the screw thats the furthest in and screw it in a 1/4 of turns at a time this will decrease the amount of fuel going into engine also replace plug and check piston rings by getting a compression tester and put it in the spark plug hole and kick it a few times the pressure wil go up and if it goes over 100 psi or 7 bar then thats ok if below say by to piston rings
Posted on Aug 20, 2009
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