TESTED-CERTIFIED for use in Harley-Davidson engine , primary chaincase and transmission applications , Screamin' Eagle SYN3 Full Synthetic Lubricant makes changing and topping-off fluids a simple one-product process.
The only synthetic lubricant custom-blended , tested and certified for use in Harley-Davidson engine , chaincase and transmission applications
SYN3 Lubricant is formulated to maintain the coefficient of friction for proper clutch operation and to provide the proper lubrication to the primary chain drive
Designed to provide the correct lubricity for the anti-wear requirements of transmission gears and for improved seal protection
Approved by Harley-Davidson for use in all stages of engine life and is not detrimental to the break-in stage of engines
Updated technology allows the oil to stay fresher longer by maintaining fluid film thickness and low-temperature pumpability for improved wear protection over the oils life

Formulated for use in Harley-Davidson Engines, transmissions
and the following primary chaincase applications: ’71-later
XL, ’83-’84 XR1000, ’08-’13 XR and ’84-later FX, FXR, Dyna®,
Softail®, Touring, and Trike models.