S&S Cycle - S&S Performance Parts 2025 L - Volume 67

XL / RA1250

www.sscycle.com

• Cylinders with piston kits include fitted pistons and cylinders, head gaskets, base gaskets, and exhaust gaskets • Cylinder kits with pistons are honed to fit the pistons included

1 -2017-UP 2- 2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

S&S® 39/16" Bore Cylinders With Pistons Kit Specification Chart Displace ment Stroke Cylinder Length Dome Volume Piston Deck Height

Compression Ratio S&S Heads

Flat Top

10.3:1 11.2:1

1250cc

313/16” 4.650”

1.208"

5.5cc

910-0689

39/16" Bore Cylinders With Pistons For 1250cc Kit For Sportster ® Displacement Piston Type

Silver

Wrinkle Black

S&S Forged Flat Top

910-0689 910-0690

910-0691

1250cc

S&S Forged 5.5cc Domed 910-0692 NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

31/2" Bore Cylinders With Pistons For 883cc Kits For Sportster ® Displacement Silver

910-0688

Wrinkle Black

883cc (Conversion To 1200cc), 1986-2020*Sportster® Models 910-0687 *The cylinder fin profile does not perfectly match the fins on 2004 and later stock heads, but the difference is not considered to be objectionable. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT 910-0688

S&S® 31/2" Bore Cylinders With Pistons Kit Specification Chart

Compression Ratio S&S Heads

Displacement

Stroke

Cylinder Length

Piston Deck Height

Stock Heads

1200cc

313/16"

4.650"

1.208"

10.5:1

9.6:1

31/2" Bore Cylinders With Pistons For 1200cc For Sportster ® Displacement 1200cc, 1986-2003 Sportster®, 1994-’02 Buell® Models With S&S® Heads

Silver

Wrinkle Black

910-0694 910-0696 NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

Stock crankcases must be machined to accommodate the larger spigot diameter. Combustion chamber modifications must be made to stock cylinder heads to reduce compression.

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