In the vast and thunderous world of motorcycling, Harley Davidson stands out like a beacon of power, freedom, and the embodiment of the American dream. At the heart of every legendary Harley lies an engineering masterpiece: the engine. It’s what gives these bikes their soul-stirring rumble and unrivaled performance. But keeping that heart beating strong requires attention to a detail often glossed over: oil capacity.
This isn’t just another maintenance task; it’s key to ensuring your Harley runs smoothly, roars proudly, and continues to turn heads on every road it conquers. Whether you’ve been riding Harleys for decades, just got your first one, or are simply fascinated by these iconic machines, knowing the exact oil capacity for each Harley Davidson engine is crucial.
Why does it matter so much? Because oil is the lifeblood of your engine. Too little, and you risk damaging those powerful internals. Too much, and you could cause performance issues or leaks. That’s why we’re diving deep into the oil needs of every Harley engine out there. This guide isn’t just about numbers; it’s about ensuring your Harley’s longevity, peak performance, and that unmistakable Harley Davidson essence.
So, gear up for an exploration that turns the mundane into the extraordinary. We’re about to embark on a detailed journey through the oil veins of Harley Davidson engines, ensuring you have all the info you need to keep your bike in top shape. Let’s rev up and delve into the heart of the matter: Harley Davidson oil capacity.
Looking for primary oil? Harley Primary Oil Capacity Revealed (All Engines and Sizes)
Evolution Engine Series Oil Capacity (82ci)
The Evolution Engine, also known as the “Evo” or “Blockhead,” was manufactured by Harley-Davidson from 1984 to 1999. This V-twin engine is air-cooled, featuring either 883cc (82ci) displacement in the standard version or 1,100cc (67ci) in the high-performance variant.
The oil capacity for the Evolution engine series is approximately 3 quarts (2.8 liters). This measurement is for a complete oil change, including the oil filter replacement.
What Weight of Oil Is Recommended for Evolution Engines?
The recommended oil weight for Evolution engines is 20W-50. This oil weight is suitable for all climates and offers the best balance of lubrication and viscosity for this specific engine series.
What Brand(s)?
When it comes to oil brand selection, the choice largely depends on personal preference and riding conditions. Some popular brands among Harley riders include Amsoil, Mobil 1, Castrol, and Harley-Davidson’s own brand of oil. It’s always wise to choose a brand that complies with the American Petroleum Institute (API) specifications.
Twin Cam Engine Series Oil Capacity
Harley-Davidson’s Twin Cam engine series, produced from 1999 to 2016, includes the Twin Cam 88, 96, and 103. Each of these engines has different oil capacities due to their varying sizes.
Twin Cam 88
The Twin Cam 88, with an 88 cubic inch (1,450cc) displacement, has an oil capacity of around 3-4 quarts (2.8-3.8 liters).
Read more: Twin Cam 88 Oil Capacity (Fully Explained + Primary)
Twin Cam 96
The Twin Cam 96, with a 96 cubic inch (1,584cc) displacement, has an oil capacity of approximately 3-4 quarts (2.8-3.8 liters).
Read more: Harley 96 Oil Capacity (The Full Explanation)
Twin Cam 103
For the Twin Cam 103, boasting a 103 cubic inch (1,690cc) displacement, the oil capacity is roughly 4 quarts (3.8 liters).
Read more: Harley Davidson 103 Oil Capacity: A Detailed Guide
What Weight of Oil Is Recommended for Twin Cam Engines?
Harley-Davidson recommends an oil weight of 20W-50 for Twin Cam engines, suitable for most riding conditions and temperatures.
What Brand(s)?
The choice of oil brand for Twin Cam engines is similar to that of the Evolution series. Brands like Amsoil, Mobil 1, Castrol, and Harley-Davidson’s own brand are commonly used. However, it’s essential to ensure the chosen brand meets the API’s specifications.
Milwaukee Eight Engine Series
The Milwaukee Eight (M8) series, first introduced in 2017, is Harley-Davidson’s latest engine series. It includes the M8 107, 114, and 117.
M8 107
The M8 107, with its displacement of 107 cubic inches (1,746cc), requires approximately 4.5 quarts (4.3 liters) of oil for a full change, including the filter.
M8 114
The M8 114, which has a displacement of 114 cubic inches (1,868cc), also requires around 4.5 quarts (4.3 liters) of oil for a full change.
M8 117
The M8 117, with the largest displacement of 117 cubic inches (1,923cc), likewise necessitates an approximate 4.5 quarts (4.3 liters) of oil for a complete change.
Related reads:
– Harley M8 Oil Capacity Guide (All Sizes Explained)
– The Best Oil for M8 Harley Engines Gets Revealed (Complete)
What Weight of Oil Is Recommended for Milwaukee Eight Engines?
Harley-Davidson recommends using 20W-50 oil weight for the Milwaukee Eight engines, as it’s suitable for most weather conditions and riding environments.
What Brand(s)?
As with the other engine series, the choice of oil brands for the Milwaukee Eight series depends on the rider’s preferences and the oil’s compliance with API standards. Brands like Amsoil, Mobil 1, Castrol, and Harley-Davidson’s own brand remain popular choices among riders.
Remember this: knowing the correct oil capacity and weight for your Harley-Davidson motorcycle is crucial for maintaining optimal engine performance and longevity. Always consult your owner’s manual for the most accurate information, and don’t hesitate to seek professional advice if you’re unsure. Remember, taking good care of your Harley will ensure many miles of enjoyable riding on the open road.
Read next: The Best Oil For Harley Davidson Motorcycles Gets Revealed
Frequently Asked Questions
How do you read a Harley oil dipstick?
To read a Harley oil dipstick, first warm up the engine, then turn it off and place the motorcycle on a level surface. Remove the dipstick, wipe it clean, reinsert it fully, then remove it to check the oil level. The oil level should be within the marked area on the dipstick.
Is slightly overfilled oil OK?
Slightly overfilling the oil in your motorcycle can lead to increased pressure and heat, potentially causing leaks or damage. It’s advisable to maintain the oil level within the recommended range as indicated on the dipstick.
What does 20W50 mean on motorcycle oil?
The 20W50 on motorcycle oil refers to its viscosity rating. The number before the “W” (which stands for Winter) indicates the oil’s flow at cold temperatures, and the number after indicates the oil’s viscosity at 100 degrees Celsius. 20W50 oil is thicker at high temperatures, making it suitable for hotter running engines like those in many motorcycles.
How do I know when my motorcycle needs an oil change?
Signs your motorcycle needs an oil change include dark or dirty oil, increased engine noise, oil odors, a noticeable decrease in performance, and exceeding the manufacturer’s recommended oil change interval. Regularly checking the oil condition and level is essential for maintenance.
How often should I change synthetic oil in my Harley?
The frequency for changing synthetic oil in a Harley varies depending on the model and riding conditions, but a general rule is every 5,000 to 10,000 miles. However, always refer to your Harley’s owner’s manual for the recommended oil change intervals specific to your model.
