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2017 Harley-Davidson FLHTK Electra Glide Ultra Limited — 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 FLHTK Electra Glide Ultra Limited.

Oil Sumping
High

Oil accumulates in the crankcase because the pump cannot scavenge it fast enough. Causes power loss, heat, and potential engine failure.

Most common during sustained high-RPM highway riding.
expert builder pattern high confidence
Fluid Migration
Medium

Transmission fluid moves into the primary case. Can lead to a dry transmission and overfilled primary, affecting clutch performance.

Harley released a 'primary vent' kit as a fix for later models that can be retrofitted.
community pattern high confidence
Clutch Actuator Leak
High

Internal leak in the secondary clutch actuator can cause the clutch to lose pressure and fail to disengage.

Subject of NHTSA Recall 18V734000.
manufacturer tsb high confidence
Oil Cooler Line Detachment
High

Improperly installed clamps can allow oil lines to pop off, spraying oil on the rear tire.

Subject of NHTSA Recall 17V333000.
manufacturer tsb high confidence

Used Buying Inspection Checklist

What to look for when buying a used 2017 Harley-Davidson FLHTK Electra Glide Ultra Limited.

Oil Sumping Check

Run the bike to operating temperature, then check if it feels sluggish or if oil is blowing out of the air cleaner. This indicates a failing scavenge pump.

Transmission-to-Primary Transfer

Check the transmission dipstick level and the primary fluid level. A known issue where fluid migrates through the pushrod tunnel.

Coolant Pump Operation

Listen for the electric coolant pump running after a hot shutdown. These pumps are known to fail, leading to overheating in the heads.

Service History for Recalls

Verify that Recall 0170 (oil cooler lines) and Recall 0173 (clutch actuator) have been performed by a dealer.