1999 Harley Davidson Evolution 80ci (Dyna / Softail / FXR / Touring) Specifications & Consumables
Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.
Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 1984 through 1999.
Engineering Subsystem Workbenches & Calculators
Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 1999 Harley Davidson Evolution 80ci (Dyna / Softail / FXR / Touring).
Fastener Torques
Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.
Fluids & Capacities
Oil: 2.84 L (3.00 US qt) • Coolant: N/A • Brake: DOT 5 Silicone-Based (Purple) - strictly NEVER mix DOT 5 with glycol DOT 4
Fuses & Relays
Main: 30A Main Thermal Circuit Breaker • Location: N/A
Compression & Leakdown
Ratio: 8.5:1 • Std: 140-160 PSI • Limit: 120 PSI
Valve Clearances
Intake: N/A mm • Exhaust: N/A mm
Fuel Delivery & TB Sync
Idle: N/A • Rail Pressure: N/A • Vacuum: N/A
Charging & Battery
Battery: YTX20L-BS (Dyna/Softail) / Y60-N24AL-B (Touring) • CCA: 310 • Regulated: 13.8 - 14.4 V DC at 3,000 RPM
Tires & Gearing
Front: MT90B16 (Touring) / 100/90-19 (Dyna) / MH90-21 (FXST Softail) • Rear: MT90B16 or 130/90B16
Suspension & Sag
Front Travel: 120 mm • Rear Travel: 76 mm
Maintenance Schedule
Oil: Every 2,500 - 5,000 mi (4,000 - 8,000 km) mi • Valves: N/A • Plugs: Every 5,000 mi (8,000 km) mi
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