Independent Harley-Davidson research & free tools
VIN decoder, recall lookup, tire pressure and loan calculators. No signup, no email gate. Plus deep, vendor-neutral research on Harley problems, gear and ownership.
Decode my Harley VIN →Free Harley Tools
Browser-based calculators and lookups. No signup, no email gate.
Most usedVIN Decoder + Recall Lookup
Decode any Harley VIN: year, model, engine and plant. Plus live NHTSA recall checks in one step.
→Tire Pressure Calculator
Exact PSI by model, year, load (solo / 2-up / luggage) and temperature.
Loan Calculator (Pro)
50-state tax, APR by credit tier, amortization, scenario compare, depreciation.
Oil & Fluid Capacity
Exact engine oil, primary and transmission capacities by engine family, from HD manuals.
DTC Code Decoder
Look up any Harley trouble code: meaning, severity and likely causes.
Browse by Harley Model
Common Problems & Fixes
Electrical Issues
Voltage regulator symptoms, stator problems, charging diagnostics
Engine Comparison
Evo vs Twin Cam vs Milwaukee-8, which generation is right for you
Brakes & Stopping
Touring brake pads, replacement guides, stopping distance
Maintenance Reference
Tire pressure chart, oil specs, torque values
Latest Harley Research
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- Harley Street Bob vs Fat Bob: Which Milwaukee-8 Softail to Buy (2026)
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An independent Harley-Davidson research desk
Not a dealer, not a retailer. We cross-check every guide against primary sources.