2017 Harley-Davidson FLHXS Street Glide Special — Common Issues & Known Problems
Known Issues & Owner Reports
These are the most commonly reported issues and concerns from owners, mechanics, and community forums for the 2017 Harley-Davidson FLHXS Street Glide Special.
Oil Sumping
HighOil accumulates in the crankcase instead of returning to the tank, causing friction, power loss, and potential engine failure.
Transmission-to-Primary Fluid Transfer
MediumGear oil migrates from the transmission into the primary case through the pushrod tunnel.
Oil Cooler Line Detachment
HighImproperly installed clamps could cause the oil cooler line to detach, spraying oil on the rear tire.
Hydraulic Clutch Failure
HighThe secondary clutch actuator may leak, causing the clutch to fail to disengage properly.
Used Buying Inspection Checklist
What to look for when buying a used 2017 Harley-Davidson FLHXS Street Glide Special.
Oil Sumping Signs
Check for excessive oil in the air cleaner or blue smoke on startup. Sumping causes power loss and engine overheating.
Fluid Transfer
Check the transmission dipstick and primary level. If the transmission is low and the primary is overfull, the bike has the 'transfer' issue (requires a primary vent fix).
Recall Status
Verify completion of the oil cooler line clamp recall (17V333000) and the clutch actuator recall (18V734000).
Infotainment Screen
Check for 'ghost touching' or delamination on the 6.5GT screen, which is a common failure point in high-heat or high-vibration environments.
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