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sportster_history:1978_sportster [2021/09/06 20:43] hippysmack [Frame VIN Numbers] |
sportster_history:1978_sportster [2021/09/07 03:08] hippysmack [Specifications] |
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| ====== Specifications ====== | ====== Specifications ====== | ||
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| + | ==== Engine ==== | ||
| + | * Engine type: 4 cycle Overhead Valves, 45 degree V2 | ||
| + | * Displacement: 60.9 ci / 997.5 cc (1,000 cc advertised) | ||
| + | * Compression Ratio: 9:1 | ||
| + | * Bore: 3.188 in / 81 mm | ||
| + | * Stroke: 3.8125 in / 96.8 mm | ||
| + | * Horsepower: 59.5 @ 6,400 RPM ((Harley-Davidson 1970-1978 Service Manual)) | ||
| + | * Taxable Horsepower: 7.2 | ||
| + | * Torque: 52 ft-lb @ 3800 RPM | ||
| + | * 4 Cams | ||
| + | * Oil pump pressure: | ||
| + | * Idle, with spark retarded (Min: 3-7 psi) | ||
| + | * Normal riding conditions: 10-14 psi (6 psi at 20 mph) | ||
| + | * Fuel System: Keihin "butterfly" carburetor. [[techtalk:ih:carb01#bendix_zenith_i6p12_carb_1972-early_1976|Click Here]] to reference the main Ironhead carb page in the Sportsterpedia | ||
| + | * Spark Plugs | ||
| + | * #4 for break. | ||
| + | * #5 for everyday use and hard service. | ||
| ===== Models ===== | ===== Models ===== | ||
