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sportster_history:1989_sportster [2021/09/13 05:30]
hippysmack [Model Designations]
sportster_history:1989_sportster [2021/09/13 14:29]
hippysmack [Drivetrain]
Line 48: Line 48:
  
 ==== Dimensions ==== ==== Dimensions ====
 +  * Wheelbase: ((Harley-Davidson 1979-1985 Service Manual))
 +    * XLH-883 / XLH-883 Deluxe, 60 in / 152.40 cm
 +    * XLH-883 Hugger, 60.5 in / 153.67 cm
 +    * XLH-1200, 60 in / 152.40 cm
 +  * Overall Length:
 +    * XLH-883 / XLH-883 Deluxe, 87.5 in / 222.25 cm
 +    * XLH-883 Hugger, 87.5 in / 222.25 cm
 +    * XLH-1200, 87.5 in / 222.25 cm
 +  * Overall Width:
 +    * XLH-883 / XLH-883 Deluxe, 32 in / 81.28 cm 
 +    * XLH-883 Hugger, 33 in / 83.82 cm
 +    * XLH-1200, 33 in / 83.82 cm
 +  * Overall Height:
 +    * XLH-883 / XLH-883 Deluxe, 47.5 in / 120.65 cm
 +    * XLH-883 Hugger, 49.75 in / 126.365 cm
 +    * XLH-1200, 49.75 in / 126.36 cm
 +  * Road Clearance:
 +    * XLH-883 / XLH-883 Deluxe, 6.75 in / 17.145 cm
 +    * XLH-883 Hugger, 5.9 in / 14.986 cm
 +    * XLH-1200, 6.75 in / 17.145 cm
  
 ==== Engine ====  ==== Engine ==== 
 +  * Engine type: 4 cycle Overhead Valves, 45 degree V2
 +  * Displacement:​
 +    * 883cc: 53.9 ci
 +    * 1200cc: 73.3 ci
 +  * Compression Ratio: 9:1
 +  * Bore:
 +    * 883: 3 in / 76.2 mm
 +    * 1200: 3.498 in / 88.8492 mm
 +  * Stroke: 3.812 in / 96.8248 mm
 +  * 4 Cams
 +  * [[techtalk:​ih:​oil03|Gerotor type oil pump]]. \\ Oil pump pressure (gauge mounted at the plug between the tappets):
 +    * Minimum: 1-7 psi (idle) ​
 +    * Normal riding conditions: 5-30 psi (2500 rpm) 
 +  * [[techtalk:​evo:​engctl01#​electronic_ignition_systems|Ignition]]:​ Electronic Ignition System.
 +  * Spark Plugs
 +    * 12mm 6R12, Gap (.038"​-.043"​),​ Torque 11-18 ft-lb / 3-5 Nm
 +  * [[techtalk:​evo:​engctl01#​voes_-_vacuum-operated_electric_switch|VOES]] (vacuum-operated electric switch) for timing advance
 +  * [[techtalk:​evo:​carb01#​keihin_butterfly_non-cv_carburetor_stock_on_l1976-1987_sportsters|Fuel System]]: Keihin (non-cv) Butterfly carburetor
  
 ==== Capacities ===== ==== Capacities =====
 +  * Fuel Capacity:
 +    * 2.25 gal / 8.517 l ((Harley-Davidson 1986-1990 Service Manual)) \\ Reserve: .25 gal / .946 l
 +  * Oil Capacity: 3 qts. / 1.419 l (quoted from -85 FSM)
 +  * Transmission Capacity: 1.5 pints / .71 l
  
 ==== Clutch ==== ==== Clutch ====
 +  * Multi-Disc wet clutch-pack with alternate steel and fiber friction plates.((1986-1990 HD FSM))
  
 ==== Drivetrain ==== ==== Drivetrain ====
 +  * Constant Mesh ((1986-1990 HD FSM pg 6-1))
 +  * Left Side Shifter
 +  * Speeds - 4 Forward
 +  * Number of Sprocket Teeth (all)
 +    * Engine: 34
 +    * Clutch: 59
 +      * Clutch Sprocket to Engine Sprocket Ratio: 1.74:1
 +    * Transmission:​ 21
 +    * Rear Wheel: 48
 +    * 
 +  * Gear Ratios (XLH / XLS / XLX)
 +    * Internal Gear Ratios: \\ Internal gear ratios indicate number of clutch gear revolutions required to drive mainshaft sprocket one revolution.
 +      * 1st: 2.29:1
 +      * 2nd: 1.66:1
 +      * 3rd: 1.25:1
 +      * 4th: 1.00:1
 +    * Overall Gear Ratios: \\ Overal gear ratios indicate number of engine revolutions required to drive rear wheel one revolution.
 +      * 1st: 9.12:1
 +      * 2nd: 6.59:1
 +      * 3rd: 4.98:1
 +      * 4th: 3.97:1
  
 ==== Tires ==== ==== Tires ====