MAINTENANCE

Subcategories

Everything you need to service your Harley-Davidson on your own. In this category, you’ll find complete DIY maintenance kits, including engine oil, transmission oil, primary oil, and high-quality oil filters, designed specifically for Harley-Davidson models. Whether you're doing a routine oil change or preparing for a long ride, these kits ensure your bike stays in peak condition without visiting the shop.

Champion Spark Plugs — Thread reach 19 mm (3/4"), Thread size 10 mm, Spark gap 0.8 mm (0.031"), Resistor type

-€1.98

CHAMPION Champion Spark Plugs — Thread reach 19 mm (3/4"), Thread size...

Reliable motorcycle spark plugs with copper-core electrode, fine-wire ignitable electrodes, reduced fouling, and SAC-9 resistor for EMI/RFI suppression.

€1.76 €3.74

Spark Plug Head Bolt Cover — Chrome, Silver

-€18.21

KURYAKYN Spark Plug Head Bolt Cover — Chrome, Silver

Stepped and slotted design complements the engine; faceted edges reflect light. Easy to install for a clean, finished look.

€70.78 €88.99

-€18.21

KURYAKYN Spark Plug Head Bolt Cover — Black gloss, pair

Stepped and slotted spark plug head bolt cover that installs easily for a refined engine finish.

€70.78 €88.99

Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, heat range 8, RA8HC

-€77.91

CHAMPION Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, heat...

Copper-core center electrode for precise heat control, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ shell for rust prevention; made in the USA.

€69.69 €147.60

Bio Air Filter Cleaner — 5 L (1.3 US gal)

-€7.90

DT-1 RACING EUROPE Bio Air Filter Cleaner — 5 L (1.3 US gal)

High-quality, universal cleaner for foam air filters.
Biodegradable, gentle formula.
Removes dirt and old filter oil; rinses clean with water.

€34.60 €42.50

-€6.54

CHAMPION S-Plug —

Reliable spark plug designed for improved performance, fuel economy and durability.

€5.84 €12.38

Champion Spark Plugs — Resistor type, projected center electrode, platinum tip

-€2.86

CHAMPION Champion Spark Plugs — Resistor type, projected center...

Reliable motorcycle spark plugs with a copper core center electrode, fine-wire electrodes, reduced fouling, and SAC-9 resistor for EMI/RFI suppression.

€2.56 €5.42

Copper Plus™ Spark Plug — 14 mm thread, 9.5 mm reach (3/8"), heat range 12

-€3.24

CHAMPION Copper Plus™ Spark Plug — 14 mm thread, 9.5 mm reach (3/8"),...

Copper Plus™ spark plug with a copper-core center electrode and Ultraseal™ coating for improved ignition and corrosion resistance.

€2.91 €6.15

Copper Plus™ Spark Plug — 14 mm thread, 11.1 mm reach (7/16"), 17.5 mm hex (11/16"), heat range 8

-€3.13

CHAMPION Copper Plus™ Spark Plug — 14 mm thread, 11.1 mm reach (7/16"),...

Copper Plus™ spark plug with copper-core electrode, SAC-9 resistor and Ultraseal™ coated shell; made in the USA.

€2.80 €5.93

Copper Plus™ Spark Plug — 12.7 mm reach, 14 mm thread, Heat Range 82, RL82YC

-€2.79

CHAMPION Copper Plus™ Spark Plug — 12.7 mm reach, 14 mm thread, Heat...

Copper-core spark plug with SAC-9 resistor and Ultraseal™ coating; made in the USA.

€2.49 €5.28

Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, 20.6 mm hex, Heat Range 12

-€2.50

CHAMPION Copper Plus™ Spark Plug — 14 mm thread, 19.1 mm reach, 20.6 mm...

Copper Plus™ spark plug: copper-core design for controlled heat range, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ coating for rust prevention. Made in the USA.