WINDSHIELDS & FAIRINGS AUDIO, COMMUNICATION & MOUNTS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION & DRIVELINE ENGINE GASKETS & SEALS LIGHTING ELECTRICAL HANDLEBARS, CONTROLS &MIRRORS CABLES TANKS & OIL FILTERS BRAKES DASHES & GAUGES FENDERS & LICENSE PLATE FRAMES HARDWARE, COVERS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES SECTION 7 All part numbers in BLUE are new for the OldBook. 263 See FATBOOK For Late Model Applications DISCLAIMER: SEE PAGE 5 FOR IMPORTANT INFORMATION REGARDING CERTAIN WARRANTY AND EMISSION CONTROL REGULATION COMPLIANCE AND NOISE REGULATION INFORMATION. PART # DESCRIPTION 31-0010 65-69 Big Twin generator cases PART # DESCRIPTION 31-0008 48-64 Big Twin generator cases PART # DESCRIPTION 33-4226 Generator crankcase gear kit SUPER STOCK GENERATOR ENGINE CASES • Cast from A356-T6 heat-treated aluminum alloy • Include crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken® bearing assembly, oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump shaft bushings and installation instructions • Use Timken-style sprocket shaft bearings and 1958-and-later pinion bearings (will not accept 1957-and-earlier flywheels) • Bearing races are all line-honed and breather cavity is precision machined to optimize breather timing for maximum oil scavenging • Machined for 3.4375” cylinders and tapped 1/4”-20 for gear covers, oil pump, tappet guides, timer and timer advance • 65 models use 65 alloy inner primary • Drilled for 5/16” generator mounting bolts • 63-65 models with outside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines • Generator crankcase gear kit (includes circuit breaker drive gear, idler gear, circuit breaker gear and shims) and shafts must be purchased separately • Made in the U.S.A. PART # DESCRIPTION STANDARD BORE CASES 0920-00631 For 92-99 Evolution Big Twin, black powdercoat finish DS-1943031 For 84-91 Evolution Big Twin, natural finish 0920-01321 For 84-91 Evolution Big Twin, black powdercoat finish DS-1943051 For 70-84 Big Twin PART # DESCRIPTION BIG BORE (3.625” CYLINDER BORE) CASES DS-194304 For 84-91 Evolution Big Twin, natural finish DS-194306 For 70-84 Big Twin 1 Exempt per CARB Executive Order (E.O.) #D-355-8 for 70-99 applications listed. SUPER STOCK™ ENGINE CASES • Cast from A356-T6 heat-treated aluminum alloy • Cases are available for 3.5” stock and 3.625” big bore motors for any stroke up to and including 5” and most stock length connecting rods • Machined to accept an oil filter assembly that mounts on the front of stock motor cases • All races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil scavenging • Additional parts include; crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, oil pressure switch, oil screen, spring and plug, sprocket shaft Timken® bearing assembly and oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump drive shaft bushing and installation instructions • Machined for EFI fitment • Made in the U.S.A. 31-0010 0920-0063 DS-194303
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