Knowledge Centre

A practical guide to cleaning your Harley in winter, choosing surface-compatible products and keeping corrosion treatments away from brakes and tyres.

AGM or lithium? Check battery chemistry, charging current, maintenance modes and connection compatibility before buying a charger for your Harley.

Putting your Harley away for winter? Plan battery care, fuel preparation, cleaning, tyre checks and a sensible return-to-road checklist.

Learn why Harley-Davidson fork seals leak, what fork oil does, how to spot wear and what to check when servicing or rebuilding motorcycle forks.

Learn when a Harley-Davidson clutch cable needs replacing, how handlebar changes affect cable length and what to check when choosing a replacement cable.

Organic, sintered or semi-sintered? Learn how motorcycle brake pad compounds differ and how to choose suitable replacement brake pads for your Harley-Davidson.

A practical guide to Harley-Davidson® engine mounts and vibration, covering rubber-mounted engines, stabiliser links, normal versus abnormal vibration and common diagnostic clues.

A practical guide to Harley-Davidson® wheel bearings, covering wear, inspection, common symptoms, water ingress, ABS bearing orientation, spacers and correct installation.

A practical guide to Harley-Davidson® brake pads and discs, covering pad compounds, wear, disc thickness, uneven wear, brake noise, contamination, bedding-in and common braking problems.