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93 harley FXR made loud pop from exhaust then started after second attempt. Went on 50 mile ride came home and parked then when I went to put the bike away for the night bike made loud pop again then wouldn't start but would turn over still

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Popping (backfiring) is usally a sign of one ot two things: either the fuel mixture is too rich, or you have a weak spark in one or both cyclinders. Pull a spark plug and look at the tip. If the electrode is coated with black carbon, the the fuel mixture is too rich. Assuming your air cleaner is not plugged with debris, this requires resetting jets in the carburetor. If the culrpit is a weak aprk, replace the spark plugs and see if that fixed the problem. If not, have your coils and ignition wires checked out.

Posted on Nov 25, 2014

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1 Answer

Engine whine 93 fxr


Hi Laura, I'm sorry but I just loaned my listening ears to the lead technician at your local Harley Dealer so he could take your bike for a test ride and evaluate the noise. Good luck and have a nice day.

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Hi Aanm5122, call, take a ride or trailer your bike over to your local dealers service/parts department, I'm sure they will be happy to take your Harley Davidson for a test ride if necessary/possible and offer professional advice and assistance concerning your issue. Good luck have a nice day.

Apr 10, 2012 | 1993 Harley Davidson FXR Super Glide

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Hello, I have a 94 Harley FXR. I went for a bike ride today and as I was riding I noticed a noise that would come and go coming from the front end. When I got home the engine died on me and now it wont...


Check for battery voltage going to the primary side of the coil when you have the switch turned on. If you don't have any voltage, you won't have any spark either. You may have to disconnect the small wires to check for the voltage.

You can test the coil using an ohm meter. Disconnect the small wires and put your meter's function switch in R X 1 position. Touch the meter leads to each of the primary coil winding posts. You should read between 2-3 ohms.

As for the noise from the front end, I don't have any idea. You may want to pull the headlamp and look inside the there. I think the FXR is like a Sportster in the fact that most of the wiring is in the headlight assembly.

Good Luck
Steve

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I have a 93 Dodge Colt 1.5 liter engine. I've noticed in the last month or so after it starts that the idle seems to go high and take 15 or 20 seconds to get back down to normal. Two days ago I went to the...


Its probably your computer. Had the same thing happen to me about ten years back. About 500 dollars. better off finding one on ebay or at a junk yard.

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first things first change the spark plugs and then make sure ya have fresh gas it as well.

May 11, 2010 | 1993 Harley Davidson FXR Super Glide

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you probably got moisture in your stator or points put a heater on the crank for about an hour or so

Mar 18, 2010 | 1993 Harley Davidson FXR Super Glide

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At 1900 to 2100 RPM the engin shakes and rattles. It is in the engine and sounds like it is lifters. How can I check and fix?


How many miles on the engine? Are all the tappets rattling. If all the tappets are rattling, you don't have any oil pressure. If only one is making a loud noise, you've probably lost a roller on the end of one of the tappets. I think a '93 model was one of the engines that had the cheap INA inner cam bearing. Previous models had the Torrington bearing and after '94, they went back to that bearing. I could be anything.
But, it it sounds good below and above this RPM range, it's probably motor mounts. The FXR had the small rubber engine mounts. Check the front one first as it's fairly simple to check. The rear engine mounts are on the through bolt that holds the rear of the transmission and swingarm in. You have to pull the swingarm out to replace these.
Look for something loose first and then move to more complicated things.

Sep 18, 2009 | 1993 Harley Davidson FXR Super Glide

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