How to Change Harley Oil: The Three-Hole Service
A Big Twin has three separate oil compartments: engine, primary and transmission. A full service changes all three. Sportsters share one oil between the primary and…
Read the guideHarley Service Intervals and Maintenance Checklist
How often to service a Harley depends on model and year. Many late-model Big Twins have a first service at around 1,600 km, then a service…
Read the guideHarley Stator Symptoms and How to Test a Harley Stator
The stator makes AC power and the regulator turns it into DC to charge the battery. When either fails, the battery goes flat. Harley stator symptoms…
Read the guideHarley Battery Not Charging? Work Through It in Order
Start with the cheapest checks before you buy parts. Battery: a healthy, fully charged 12 V battery reads about 12.6 V at rest. Connections: clean and…
Read the guideHarley Cam Chain Tensioner Wear: When to Replace
Twin Cam engines drive the cams with chains running on plastic tensioner shoes. Those shoes wear, and if they wear through, debris can reach the oil…
Read the guideWhat Is a Stage 1 Harley? Stage 1 and Stage 2 Explained
Stage 1 A stage 1 Harley has a high-flow air cleaner, a freer-flowing exhaust and a fuel tune to match. It is the most common first…
Read the guideIs an Aftermarket Exhaust Legal in WA?
In Australia, a road-registered motorcycle must keep meeting the Australian Design Rules (ADRs) it was built to, including noise. An exhaust that makes the bike louder…
Read the guideMilwaukee-Eight vs Twin Cam (and Twin Cam vs Evolution)
Milwaukee-Eight Introduced on Touring models for 2017 and Softails for 2018. Four valves per cylinder, a single cam, a counterbalancer and sizes of 107, 114 and…
Read the guideHow to Read a Harley VIN and Find the Right Parts
Harley-Davidson motorcycles have used a 17-character VIN since 1981. It is the most reliable way to order the right part. How to find Harley year by…
Read the guideWhat Is a Harley Softail? Touring vs Softail
The Softail frame hides its rear suspension so the bike looks like a rigid hardtail. Older Softails put twin shocks under the transmission; from 2018 the…
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