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Harley-Davidson Sportster Evolution Spark Plugs Replacement

소개

This guide will show how to remove the old spark plugs, check the new spark plugs for installation, prepare the spark plugs for installation, and reinstall the new spark plugs.

필요한 것

  1. Harley-Davidson Sportster Evolution Spark Plugs Replacement, Spark Plugs: 1 단계, 이미지 1/1

    • The spark plugs are easy to spot on the left side of the motorcycle.

    • The procedure for removing the spark plugs is the same for both the front and back cylinder, and either spark plug can be replaced first. This guide will show how to remove and install the spark plug in the rear cylinder.

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  2. Harley-Davidson Sportster Evolution Spark Plugs Replacement, Removing the old spark plug: 2 단계, 이미지 1/2 Harley-Davidson Sportster Evolution Spark Plugs Replacement, Removing the old spark plug: 2 단계, 이미지 2/2

    • Carefully remove the spark plug wire. Do not pull on just the wire, squeeze the spark plug boot, and pull it together with the wire.

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  4. Harley-Davidson Sportster Evolution Spark Plugs Replacement: 3 단계, 이미지 1/2 Harley-Davidson Sportster Evolution Spark Plugs Replacement: 3 단계, 이미지 2/2

    • Use an 11/16" spark plug socket to unscrew the spark plug by turning in a counter-clockwise direction.

    • Some aftermarket spark plugs that fit the Sportster use a slightly larger 18mm spark plug socket.

    • Remove the spark plug from the cylinder.

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  5. Harley-Davidson Sportster Evolution Spark Plugs Replacement, Checking the new spark plug: 4 단계, 이미지 1/3 Harley-Davidson Sportster Evolution Spark Plugs Replacement, Checking the new spark plug: 4 단계, 이미지 2/3 Harley-Davidson Sportster Evolution Spark Plugs Replacement, Checking the new spark plug: 4 단계, 이미지 3/3

    • Always inspect your new spark plugs before installing. Check the gap on your replacement spark plugs with a feeler gauge. It should be set to .040 inches (1.016mm).

    • If they are not pre-installed, make sure that the crush washer and terminal nut are installed.

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    Pro tip, add some anti seize compound to the plug threads or the plugs may seize in the cylinder head next time you remove them.

    FJrider - 답글

  6. Harley-Davidson Sportster Evolution Spark Plugs Replacement, Installing the new Spark Plug: 5 단계, 이미지 1/2 Harley-Davidson Sportster Evolution Spark Plugs Replacement, Installing the new Spark Plug: 5 단계, 이미지 2/2

    • Using your fingers, install the new spark plug into the socket, and hand tighten until firm.

    • Using a torque wrench, tighten the spark plug to the proper specification.

    • When installing spark plugs, proper torque can be important. To loose and they could rattle out or leak; too tight and you can strip your cylinder head. The correct torque for this plug is between 90 and 120 inch lbs.

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    Questions.1 with a stage 1,2 or 3 would you agree a wider gap? 2nd question which is simular to first.i do run my motor a little rich.rather rich than lean.my question is with modification on a harley davidson sportster.what do ou recommend.so many choices from om to iridium to platinum.then the gap and also are you a believer in cutting the eledtrode approx half off for max combustion.how much would you recommend cutting and back to og question.the gap.is a larger gap.capable of power increase.since ive tried both i swear i feel a power increase.but is it anticipated or other varibles???you opinion is valued.

    Joey zero - 답글

  7. Harley-Davidson Sportster Evolution Spark Plugs Replacement: 6 단계, 이미지 1/1

    • Reinstall your spark plug wire by pushing it firmly onto the new plug.

    • Make sure that it seats properly. You can usually feel a definitive click when it is installed correctly.

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    I have a Harley Davidson Xr1200x Sportster which I just got. Changed the oil also tranny & filter as I couldn't find last date of service coang of oil. So yesterday I checked the spark plugs they were clean. But the mechanic cleaned them & said the needed gap them as one was too narrow. Mind you I had no issues at all. Gapped them at 0.40 now I'm not getting the same smooth sound or feel as if it's miss firing. I have iridium spark plugs okn my bike should I change them to NGK or get another set of iridium spark plugs.please advise..

    Steven Sewell - 답글

    A spark plug Gap is to be checked with a wire feeler gauge, not a flat feeler gauge….

    rockinroland1997 - 답글

    Which wires go to which plug

    angyt.whitt - 답글

결론

Be sure to repeat the above procedure for the remaining cylinder.

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Just for information, particularly in the UK, you may be able to purchase sparking plugs cheaper at a Chandlers, as there are quite a few 4-stroke outboard engines use these plugs.

BigRoj - 답글

How do you do this with a XL1200S with dual spark plug heads??

Andy - 답글

Couldn't have made it any simpler

Matt Pramik - 답글

-awesome

- appreciated

Thank you so much for your posting. I'm 2k miles from my daughter who is teaching herself how to maintain her own bike. You site is immensely helpful and appreciated as much.

mrjacecabezut - 답글

Says between 11 and 18 pounds in manuel

bobafett717 - 답글

Is there a firing order like on a car I'm just trying to make sure I have the rite plug with the rite plug wire

lilrook1985 - 답글

I really appreciate your site…thank you.

lori milne - 답글

Can anyone tell me if a 1999 sporster has a data link connector port . my bike would not start the coil was bad replaced it now no spark at all can anyone help

bubbyjohnson64@gmail.com - 답글

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