Check a VIN

March 29, 2025 Service bulletin

Genuine motor parts and motor accessories bulletin PAB1165 (rev a): h-d SYN3 sae 15W50 / sae 50 availability

Harley-Davidson technical service bulletin PAB1165 for 2017-2019 Harley-Davidson Flhtcu, 2017-2024 Harley-Davidson FLHX and 2017-2024 Harley-Davidson Flhtk and others.

Bulletin number
PAB1165
Component
Unknown or other
Summary
GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1165 (REV A): H-D SYN3 SAE 15W50 / SAE 50 AVAILABILITY. PURPOSE: Revision (A) Updated: Summary, Update table. This bulletin informs of the availability of the SYN3 New Improved Formula, a dual weight SAE 15W50 / SAE 50 Motorcycle Oil. The new formula transitions into inventory as the old SYN3 20W50 product inventory is depleted. Availability varies by SKU and region. The original SYN3 20W50 will be obsoleted when the transition is complete.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Harley-Davidson Flhtcu?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history