1986-2013 Sportster® & Buell - S&S Cycle

S e ction 4: 1986-2013 Sportster® & Buell ®S&S®Parts forTwin Cam 96 /103 2007-2013Parts forTwin Cam 88 ®1999-2006FlywheelsFor 1986-'03 Harley-Davidson® Sportster® and 1994-'02 Buell® ModelsS&S flywheels for 1986-’03 Sportster and 1994-’02 Buell models are of five piece design andfeature a large tapered sprocket shaft and pinion shaft. Since the stock flywheels for theseengines do not have removable mainshafts, S&S engineers designed the pinion shaft with thesame larger, stronger taper as the sprocket shaft.Parts forEvolution ®1984-1999Replacement Flywheel Assemblies for 1986-2003 Sportster ModelsS&S now offers flywheel assemblies to replace the stock flywheels in 1986-’90 and 1991-’02 Sportster models. Why put your engine back together withstock flywheels when you can upgrade to S&S quality?Parts forSportster ® & Buell ®1986-2013Parts forVintage Engines1926-1984Parts forX-Wedge®2007-2012PERFORMANCEPARTSFlywheel Assemblies for 1994-‘02 Buell® ModelsS&S flywheels for two-cylinder 1994-’02 Buell models. Although similar to flywheels forSportster® models, these flywheels are knife edged and lightened. This design offers theseadvantages:• Knife edging is a proven design used in race motors to make the flywheels "shed" oilmore quickly to reduce drag at high rpm.• Knife edging and lightening increases effective crankcase volume and reduces theflywheel assembly weight by 2-4 lbs. Increased crankcase volume results in better oilcontrol, effectively reducing friction and heat, as well as helping to control oil carry over.Reduced weight results in faster revving and higher top rpm capability.• All S&S flywheels for Sportster and Buell models feature removable mainshafts for easyrebuilding. In addition, the S&S pinion shaft is the 1986-’87 splined design, which ismuch stronger than the stock pinion shaft, allowing the use of higher lift cams andstronger valve springs.32-3063Parts forVictory®2003-2013Fitment• 1986-'03 Harley-Davidson® Sportster®• 1994-'02 Buell®• S&S SB-Series enginesRacingProductsTools & ShopSuppliesDealer Services& Promo ItemsWarranty &Company PolicyOEM Cross ReferenceAppendix & IndexFeatures and benefits• CNC machined from heat-treated, closed die, steel forging• Stronger than cast iron or late style steel flywheels• 5-piece design – easily rebuilt with standard flywheel fixtures and tools• Unassembled balanced flywheels are balanced by the static method• Assembled flywheels are dynamic balanced after assembly using our American-Hofmann®dynamic balancing machine unless otherwise specifiedOptions• Stock replacement or stroker flywheels for high performance upgrade• Available in a wide variety of styles and strokes• Available balanced or unbalanced• Available assembled or unassembled by special orderKit Contents• Flywheels• Pinion shaft and sprocket shaft• Optional connecting rodsNOTE32-3083Trying to identify an S&S® Flywheel?See Flywheel I.D. Chart in the Appendix section page 12-2Replacement parts on page 4-72Lightened flywheels are not recommended for Sportster models with solidmounted engines due to increased vibration and loss of low rpm torque4-14 Order toll free 866-244-2673