Below you will find the best synthetic oil for a 1999 Harley-Davidson XL/XLH Sportster. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 1999 Xl/xlh Sportster
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Engine Oil 20W-50 Synthetic V-Twin Motorcycle Oil |
This 20w-50 motorcycle oil for your 1999 Harley-davidson Xl/xlh Sportster is a top oil for those who want the best protection and extend the life of the engine. Top research goes into this lube to protect air cooled engines, wet-clutch lubrication, and even protects when your motorcycle is in storage. Offers great protection for short trip usage as well. Protects gears, chains and prevents rust. Meets or exceeds the requirements of both foreign and domestic motorcycles. Made in USA. |
MCVQT-EA
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Recommended oil filters for my 1999 Xl/xlh Sportster
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL EaOM Chrome Motorcycle Oil Filters | This is a great motorcycle oil filter for the 1999 Harley-davidson Xl/xlh Sportster. Made in the USA. |
EAOM135C-EA
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| AMSOIL EaOM Motorcycle Oil Filters | Great oil filter for your 1999 Harley-davidson Xl/xlh Sportster. Check out our synthetic oil for your motorcycle as well. |
EAOM135-EA
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You will notice a difference when you switch your motorcycle to Amsoil's Synthetic oil. It will keep your engine free of crud and sludge, prevent rust, and keeps shifting smooth and effortless. Amsoil's motorcycle and dirt bike oils are formulated to protect wet clutches. Synthetic oil without friction modifiers keeps your clutch from slipping and improves clutch consistency.
