Skip to content

Harley-Davidson Street Bob

Maintenance specs for 1 variant of the Harley-Davidson Street Bob — from 2018 to 2026.

20182026 Harley-Davidson Street Bob

Milwaukee-Eight 114 (1868cc) Air/Oil-Cooled V-Twin (Milwaukee-Eight 114) · Belt

93 hp / 117 lb-ft

Engine Oil

Weight20W-50
Capacity5.2 qt

Transmission

Type6-Speed Cruise Drive
FluidHarley-Davidson Transmission Lube
Drain & fill0.875 qt
Full capacity1 qt

Brake Fluid

TypeDOT 4
Shop DOT 4

Fuel

Tank3.5 gal
TypePremium 91

Tires

Front100/90B19
Rear160/70B17
Pressure (front)36 PSI
Pressure (rear)40 PSI

Battery

Group sizeYTX20L-BS
Shop group YTX20L-BS battery

Spark Plugs

Gap0.038 in
Shop spark plugs

Service Intervals

Oil change5,000 mi
Trans service10,000 mi
Brake fluid24,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter15,000 mi
Drive belt100,000 mi