Not every trickle charger is lithium-safe. Our research desk checked HD service manuals to find the right battery tender for your Harley’s battery.
Blog
Harley Sportster S Problems: Revolution Max 1250 Reliability (Years to Avoid)
Our research found 9 documented Sportster S problems – from the triple clamp recall (25V590) to timing chain tensioner failures and the fuel pump service bulletin (M1674). Here is what every buyer needs to check before purchasing any model year.
Best Motorcycle Battery for Harley-Davidson (2026): AGM vs Lithium
Our research team pulled battery group size and CCA specs from Harley-Davidson factory service manuals to compare 7 AGM and lithium batteries across Dyna, Softail, Touring, and Sportster – plus a full AGM-vs-lithium breakdown on cold cranking, weight, price per year, and charger compatibility.
Best Harley-Davidson Oil Change Kit: Engine, Primary & Transmission Kits Compared (2026)
We compared 8 Harley-Davidson oil change kits – complete engine/primary/transmission fluid bundles, tool-only kits, and standalone filters – and checked the capacities against factory service manuals so you buy the right size for your engine family.
Best Motorcycle Cover for Harley-Davidson: 8 Covers Compared by Model Family
We compared 8 real Amazon-listed motorcycle covers by Harley frame family – Touring, Sportster, and Softail/Dyna cruiser – checking waterproof ratings, breathability, and lock-hole security against the HD Service Manual’s own storage procedure.
Best Battery for Harley-Davidson Street Glide: 8 Picks for M8 Touring
Our research team compared 8 batteries for the Harley-Davidson Street Glide Milwaukee-Eight engine. Covers AGM vs lithium, CAN-bus compatibility, the correct YTX30L-BS/YIX30L group size (28Ah/405 CCA per HD service manual), and why Dyna/Softail models use a smaller battery, for 2017-2024 Touring models.
Loctite 271 vs 272 for Harley: Which Red Threadlocker? (2026)
Loctite 271 and 272 are both red high-strength threadlockers, but Harley-Davidson service manuals specify them for different fasteners. Our research breaks down the key difference — temperature rating — and maps each product to the HD applications where it belongs.
Harley Milwaukee-8 107 vs 114 vs 117: Which Displacement Should You Choose?
The Milwaukee-8 107, 114, and 117 differ in bore, torque output, cooling, and which models they come in. We compared service manual specs and owner forums to give you a straight answer on which displacement to buy.
Harley Softail vs Touring: Which Family Is Right for You (2026)
Softail vs Touring – which Harley family fits your riding style? Our spec-verified comparison covers weight, engine options (M8 107/114/117), fuel range, comfort, and price so you can choose with confidence.