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2017 Harley-Davidson FLHTKSE CVO 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 FLHTKSE CVO Limited.

Engine Sumping
High

Oil fails to scavenge from the crankcase, causing friction, power loss, and potential engine failure.

Most prevalent in 2017-2019 models; often fixed by installing the 2020+ OEM oil pump or aftermarket units like Feuling.
expert builder pattern high confidence
Fluid Migration
Medium

Transmission oil migrates into the primary chaincase due to a pressure differential.

Harley-Davidson eventually released a primary vent kit to equalize pressure and stop the transfer.
community pattern high confidence
Clutch Actuator Failure
High

Internal leaks in the secondary clutch actuator can lead to a loss of clutch fluid and inability to shift.

Subject of NHTSA Recall 18V734.
manufacturer tsb high confidence

Used Buying Inspection Checklist

What to look for when buying a used 2017 Harley-Davidson FLHTKSE CVO Limited.

Transmission Fluid Level

Check for low trans fluid combined with a high primary fluid level, indicating the migration issue.

Oil Cooler Line Clamps

Verify the 17V333 recall was performed; improperly installed clamps could cause sudden oil loss onto the rear tire.

Sumping Symptoms

Test ride for significant power loss or excessive heat after 30+ minutes of highway riding, which indicates oil pooling in the crankcase.