2015 Harley-Davidson FLTRXS Road Glide Special — Maintenance & Ownership Guide
Routine Maintenance
Key maintenance tasks to keep your 2015 Harley-Davidson FLTRXS Road Glide Special running reliably.
Oil & Filter
Requires 4.0 quarts of 20W-50 oil. Owners often switch to synthetic (H-D Syn3 or equivalent) to help manage the high operating temperatures of the Twin Cam 103.
Primary & Transmission Fluids
Separate reservoirs; primary chaincase requires ~38-45 oz depending on service/drain, and transmission requires ~32 oz.
Common Wear Items
Parts that wear over time on the 2015 Harley-Davidson FLTRXS Road Glide Special and should be inspected regularly.
Tires
The 19-inch front tire is specific to the Rushmore styling. Heavy touring use typically sees rear tire replacement every 8,000–12,000 miles.
Brake Pads
The linked braking system can lead to more even wear across front and rear, but the heavy weight of the bike consumes pads quickly in stop-and-go traffic.
Popular Upgrades
The most popular aftermarket upgrades for the 2015 Harley-Davidson FLTRXS Road Glide Special.
Stage 1 Air/Exhaust
Standard upgrade to reduce engine heat and improve the exhaust note. Requires an ECM tuner (like Vance & Hines FP3).
Windshield
The stock 'Special' windshield is very low for styling; most touring riders swap for a taller or 'recurve' shield to actually utilize the fairing's protection.
Common Replacement Parts
Parts that commonly need replacing on the 2015 Harley-Davidson FLTRXS Road Glide Special.
Battery
The Boom! Box infotainment and security system create a parasitic draw; batteries typically last 3-4 years without a tender.
Saddlebag Latches/Receptacles
Early Rushmore models had a recall on the mounting pins; many owners replace the quarter-turn pins with threaded bolts for security.
Used Buying Inspection Checklist
What to look for when buying a used 2015 Harley-Davidson FLTRXS Road Glide Special.
Hydraulic Clutch Recall
Check if the master cylinder rebuild/flush (Recall 0165) was performed. A failing system causes the clutch to not disengage fully, making it hard to find neutral.
Saddlebag Retention
Verify the saddlebag mounting clips are the updated stainless steel version (Recall 15V-427) to prevent bags from falling off mid-ride.
Infotainment Screen
Check for 'ghosting' or unresponsive touch areas on the 6.5GT screen, which can be expensive to replace.
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