S&S Cycle

1984–'99 big twins

1984–1999 Evolution ® 1926–1984 Vintage Engines Tools & Shop Supplies Warranty & Company Policy Appendix & Index

V124 ENGINES

FITMENT • 1984–’99 carbureted chassis • Custom chassis designed for Harley-Davidson® Evolution® engines FEATURES AND BENEFITS • Long piston stroke and high performance gear driven cam result in large horsepower increase over stock engine • 1.671" diameter crankpin • .927" wristpin • Piston cooling jets • Large fin pack—heads and cylinders • Press together crankshaft • Electric compression release – easy starting under any circumstance • Natural, Wrinkle Black (Wrinkle Black) powder coat, and polished finish. Diamond cut black powder coat, fully polished, and diamond cut fully polished finishes are available, but have longer lead times • Chrome gearcover, tappet covers, and rocker covers CARBURETED ENGINES • S&S Super G carburetor with slotted Slasher air cleaner cover • Super Stock® ignition system FUEL INJECTION ENGINES • Single bore EFI throttle body with S&S Classic Teardrop air cleaner • Closed loop fuel system, dual oxygen sensors provide air-fuel ratio feedback for correct fuel delivery under any condition • Included S&S ProTune II software provides base fuel maps for most aftermarket exhaust systems • 3 Piece Flywheel • HVHP oil pump

31-9886

S&S® V124 ENGINE SPECIFICATIONS Displacement Bore Stroke Cam Piston Type Compression Ratio 124" 41/8" 45/8" 640 S&S forged 10.8:1

NOTES: If an aftermarket exhaust or intake system is used, the fuel maps must be modified. It is highly recommended that this tuning be done by a certified S&S® VFI tuning center. Visit our website at sscycle.com to locate your nearest certified S&S VFI tuning center. S&S VFI tune files can also be found on our web page and are available for many common exhaust systems.

NOTE: **EFI models available by special order

V124 ENGINES ± Chassis Style

Fuel Delivery

Ignition

Warranty Period Finish

Part #

310-0925 31-9860 31-9885 31-9886

Black Edition

Natural

1984–’99 Carb

S&S® Super G Carb

Super Stock®

2 Year

Wrinkle Black

Polished

CTO

319-0008

Specify

Specify

Varies

Specify

DISCLAIMER:NOTLEGALFORSALEORUSE INCALIFORNIAONANYPOLLUTIONCONTROLLEDMOTORVEHICLE.NOTLEGALFORSALEORUSENATIONWIDEONANYFEDERALPOLLUTIONCONTROLLEDMOTORVEHICLEUNDERTHE CLEANAIRACT ± WARNING:CancerandReproductiveHarm–www.P65Warnings.ca.gov

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