Mechanic-Grade Reference Data

Motorcycle Factory Specifications & Maintenance Guides

Verified factory workshop reference: fluid capacities, spark plug gaps, drive chain sizes, and cold tire inflation pressures for modern street and sport motorcycles.

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Showing 5 motorcycle models in harley-davidson

Harley Davidson2009–2022

Iron 883 (Sportster)

883cc•45° Evolution V-Twin

Engine Oil

2.65 L

20W-50

Spark Plug

HD 6R12 / NGK DCPR7E

0.9 - 1.0 mm

Front Tire

100/90-19

30 PSI

Rear Tire

150/80B16

36 PSI

Workshop Specs Shop Parts

Harley Davidson2020–2024

Low Rider S (FXLRS Milwaukee-Eight)

1868cc•Milwaukee-Eight 114 / 117 (45° V-Twin)

Engine Oil

4.70 L

20W-50

Spark Plug

Harley 6R10 / NGK CPR7EA-9

0.8 - 0.9 mm

Front Tire

110/90B19

36 PSI

Rear Tire

180/70B16

40 PSI

Workshop Specs Shop Parts

Harley Davidson2017–2026

Road Glide (Milwaukee-Eight)

1746cc•45° V-Twin Milwaukee-Eight 107 / 114

Engine Oil

3.80 L

20W-50

Spark Plug

HD 6R12 / NGK DCPR7E

0.8 - 0.9 mm

Front Tire

130/60B19

36 PSI

Rear Tire

180/55B18

40 PSI

Workshop Specs Shop Parts

Harley Davidson2007–2022

Sportster 1200 (Forty-Eight / Iron 1200)

1202cc•Evolution V-Twin (45°)

Engine Oil

2.65 L

20W-50

Spark Plug

Harley 6R12 / NGK DCPR7E

0.9 - 1.0 mm

Front Tire

100/90-19

30 PSI

Rear Tire

150/80B16

36 PSI

Workshop Specs Shop Parts

Harley Davidson2017–2026

Street Glide (Milwaukee-Eight)

1746cc•45° V-Twin Milwaukee-Eight 107 / 114

Engine Oil

3.80 L

20W-50

Spark Plug

HD 6R12 / NGK DCPR7E

0.8 - 0.9 mm

Front Tire

130/60B19

36 PSI

Rear Tire

180/55B18

40 PSI

Workshop Specs Shop Parts