2006 HERITAGE SOFTAIL Purchased with 3000 miles from Dudley Perkins Co. in San Francisco I'am second owner. I put links to further specifications for questions you may have. In addition to standard specs. I added these plus a bunch more to the bike. Leather Tank Panel with Pouch - Concho and Chrome StudsOil Pressure Gauge KitChrome Front Fender Extension2006 Harley-Davidson Softail SpecsModel:Standard. Heritage Softail ClassicEngine Type: Four-StrokeBore and Stroke: 95. 3mm x 101. 6mmCompression ratio: 8. 91:1Valve Train: OHV - PushrodInduction: CarburetorIgnition: ElectricTransmission: ManualFinal Drive: BeltFuel Capacity: 5 gal. 4. 9 galEstimated Fuel Economy: 42 mpg city/50 mpg highwayBrakes (Front): DiscBrakes (Rear): DiscSuspension (Front): Telescopic ForkSuspension (Rear): Twin Sided Swing ArmWheelbase: 66. 9 inches. 66. 6 inchesSeat Height: 25. 2 inches. 26 inches. 24. 9 inches. 25. 9 inches. 25. 5 inches. 25. 4 inches. 24. 5 inchesCurb Weight: 682 lbs. Tires (Front): MH90-21 54H. MT90 R16 72H. MT90B16 72HTires (Rear): 200/55 R17. 160/70 R17. 150/80 R16 71H. MU85 R16Read more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/05/#ixzz3TlO3G0zRENGINEBore (in) 3. 75Bore (mm) 95. 3Carburetor Size (mm) 40Compression Ratio 8. 91Cooling AirCylinders 2Displacement (cc)1442. 1Displacement (ci) 88Engine Brand Name Twin Cam 88BEngine Configuration V TwinEngine Type 4-Stroke Fuel Requirements PremiumFuel System Type CarburetorNumber Of Carburetors 1Starter ElectricStroke (in) 4Stroke (mm) 101. 6Valve Configuration OHV - PushrodValves 4Valves Per Cylinder 2Engine Displacement to weight2. 01Torque (Ft Lbs)85Torque (Nm)115. 2Torque RPM3000TRANMISSIONGear Ratio (1)10. 11Gear Ratio (2)6. 96Gear Ratio (3)4. 95Gear Ratio (4)3. 86Gear Ratio (5)3. 15Heel Toe ShifterStandardNumber Of Speeds5OverdriveNoPrimary Drive (Engine / Transmission)ChainPrimary Drive (Rear Wheel)BeltReverseNoTransmission TypeManualWHEELS CHROME WIREBRAKES DISC FRONT AND REARSUSPENSIONFront Central Suspension StrutNoFront Suspension TypeTelescopic ForkNumber Rear Shock Absorbers2Rear Suspension TypeTwin Sided Swing ArmRear Swingarm MaterialSteelSteering DamperNoSEATSAdjustableNoBackrest LocationPassengerBackrest Logo PlateYESBackrest TypeFixedDetachable Passenger SeatStandardGrab Rail or StrapStandardHeated SeatNot AvailableLumbar AdjustmentNoNumber Of Seats2Seat BackrestStandardSeat Height (in)25. 5Seat Height (mm)647. 7Seat LocationDriver and PassengerSeat MaterialLeatherSeat RailNot AvailableSeat SpecificationsStandardSeat Tail CoverNot AvailableSeat TypeTwo-PieceRead more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/heritage_softail_classic/specifications/20753/05/seats. html#ixzz3TlLSDsxYRead more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/heritage_softail_classic/specifications/20753/05/suspension_steering. html#ixzz3TlL031SiRead more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/heritage_softail_classic/specifications/20753/05/transmission. html#ixzz3TlJzVNaaRead more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/heritage_softail_classic/specifications/20753/05/performance. html#ixzz3TlJEFGK9Read more: http://www. motorcyclistonline. com/2006/harley_davidson/softail/heritage_softail_classic/specifications/20753/05/engine. html#ixzz3TlHdB9mb