2020 Harley-Davidson FLTRXS Road Glide Special — Maintenance & Ownership Guide
Routine Maintenance
Key maintenance tasks to keep your 2020 Harley-Davidson FLTRXS Road Glide Special running reliably.
Oil Changes
Requires 3-hole service (Engine, Primary, Transmission). Engine oil capacity is approx 5.2 qt with filter.
Air Filter
The high-flow 'Ventilator' style filter on Specials requires regular inspection; standard replacement part 29400212.
Common Wear Items
Parts that wear over time on the 2020 Harley-Davidson FLTRXS Road Glide Special and should be inspected regularly.
Tires
Heavy touring weight (850+ lbs) leads to accelerated rear tire wear, typically needing replacement every 10k-15k miles.
Brake Pads
Reflex Linked braking system uses both front and rear pads simultaneously; front pads (41854-08) often wear faster due to dual-disc setup.
Popular Upgrades
The most popular aftermarket upgrades for the 2020 Harley-Davidson FLTRXS Road Glide Special.
Windshield
The stock 'Special' windshield is very low (approx 5-inch) and causes significant buffeting for taller riders; 9-12 inch 'flare' shields are the most common upgrade.
Handlebars
Stock bars have a specific 'wrist angle' that many riders find uncomfortable for long distances; 12-14 inch ape hangers are frequently installed.
Rear Suspension
The 'Special' uses lowered rear shocks with only 2.1 inches of travel, which can feel harsh on poor roads; aftermarket shocks (Legends, Ohlins) are a top performance upgrade.
Common Replacement Parts
Parts that commonly need replacing on the 2020 Harley-Davidson FLTRXS Road Glide Special.
Battery
High-compression 114 engine and extensive electronics put high demand on the battery (YIX30L).
Saddlebag Latches
One-touch latches are convenient but can become loose or rattle over time, requiring adjustment or replacement of mounting hardware.
Used Buying Inspection Checklist
What to look for when buying a used 2020 Harley-Davidson FLTRXS Road Glide Special.
Primary Oil Level
Check for 'fluid transfer' where transmission oil migrates into the primary. 2020 models have a factory vent, but some still exhibit the issue.
RDRS Presence
Verify if the bike has the optional RDRS package (look for the TC button on the left hand control and TPMS readouts on the screen) as it adds significant resale value.
Service History (1k/5k/10k)
Crucial for the Milwaukee-Eight engine to ensure the latest oil pump and primary vent were verified/installed correctly by the dealer.
Infotainment Software Version
Ensure the Boom! Box GTS is updated to the latest firmware to avoid navigation lag or Apple CarPlay connectivity issues.
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