Harley-Davidson Full Synthetic Oil Service
Service provided by Motorhelmets in Fullerton, CA - N. Orange County.
Technical Overview
Complete 100% full synthetic drivetrain fluid service — often referred to by Harley-Davidson riders and V-Twin enthusiasts as a synthetic '3-hole service'. Engineered for maximum thermal dissipation and sheer stability, this premium service drains and replaces engine oil, primary chaincase fluid, and heavy transmission gear lube with high-performance synthetic lubricants.
Why This Service Matters
Air-cooled Harley V-Twins run exceptionally hot, frequently reaching cylinder head temperatures above 300°F in Southern California stop-and-go traffic. Performing a complete synthetic 3-hole fluid overhaul ensures extreme thermal resistance across your engine sump, eliminates clutch drag in the primary chaincase, and delivers smooth, quiet shifting in the transmission gearcase under heavy summer riding conditions.
What's Included in This Appointment
- 100% Full synthetic 3-hole fluid overhaul: Engine, Primary, and Transmission
- Full synthetic 20W-50 V-Twin engine oil & high-efficiency filter
- Full synthetic primary chaincase fluid (wet-clutch safe formulation)
- Full synthetic 80W-140 heavy gear transmission lube
- All three magnetic drain plugs cleaned and torqued to OEM specification
- New Viton/Buna-N drain plug O-rings installed
- Drive belt deflection and rear tire alignment check
Service Bay Specifications
Book Harley Full Synthetic Oil Service
Estimated service duration: 120 Min (2 Hours) ($350.00). Select your drop-off or waiting slot and receive instant digital confirmation via SMS and email.
WowShopper Motorsports Service Bay
Service provided by Motorhelmets
Located right off the 91 freeway on Commonwealth Ave in Fullerton. Our facility features a dedicated service bay, tire mounting stations, high-speed spin balancers, and full parts showroom.