How to Check Primary Oil on a 2003 Harley?

Answer Unlike most motorcycles, Harley-Davidson's motors are composed of three separate components, consisting of the motor itself, the primary drive and the transmission. Each component requires its own ... Read More »

Top Q&A For: How to Check Primary Oil on a 2003 Harley

How to Check Oil in a Harley Primary?

Harley-Davidsons require regular maintenance just like any vehicle. To ensure your motorcycle runs properly, always perform regular maintenance and fluid level checks. Primary fluid helps with shif... Read More »

How to Check Oil in a TwinCam Harley Primary?

The primary drive found on a Harley-Davidson Twin Cam 88-equipped motorcycle transfers the rotational energy produced by the motor to the transmission. A special oil bath is held within the primary... Read More »

How to Fix a Primary Oil Leak on a Harley?

Harley-Davidson motorcycles use a chain-driven primary system to transmit power from the engine sprocket to the clutch housing. Drive plates in the clutch pack engage the plates in the clutch pack ... Read More »

How to Change the Oil in the Primary Chaincase of a Harley Softail?

While most motorcycle manufacturers opt to house the engine and transmission together, Harley-Davidson uses a two-part engine and transmission system to power their motorcycles. The engine's power ... Read More »