Page 658 of High Performance Parts for American V-Twins 2008 by S&S Cycle

race components engines s&s® sb91 sb100 engines for 1986 03 sportster® buell® models s&s complete engines for harley-davidson® sportster® and buell® models are available in 91 and 100 displacements sb91 engines have 35/8 stroke with a 4 bore cylinder length is stock so engine fits in all frames with little or no modification compression ratio of the 91 engine is 9.5:1 sb100 engines have 4 stroke with a 4 bore cylinder length is .260 taller than stock the 100 engine will generally fit in stock frames with no modification but due to the increased cylinder length requires the s&s billet motor mount to fit in buell models exhaust modifications may also be required to gain frame clearance when installing a 100 engine in a buell model compression ratio of the 100 engine is 10.3:1 crankcases have 1986 90 four-speed style cam geometry 1991-up five-speed style drive side and are available only in natural aluminum finish primary components charging system ignition system oil pump and transmission components are not included all engines are natural aluminum finish and are only available assembled s&s engines for sportster buell models include s&s special application crankcases s&s super stock® cylinder heads s&s cylinders and pistons flywheels balanced and assembled supreme rods pinion and sprocket shaft s&s 555 cams in 91 and 600 camshaft set in 100 gear case components adjustable pushrods and pushrod cover assemblies hydraulic tappets and tappet guides super g carburetor kit s&s roller style rocker arms and shafts s&s billet gearcover kit s&s billet aluminum rocker covers s&s complete engines for sportster and buell models sb100 for sportster msrp $8,895.00 sb91 for sportster msrp $8,895.00 sb100 for buell msrp $9,095.00 sb91 for buell msrp $9,095.00 requires s&s billet motor mount frame to exhaust clearancing may be required 31-9891 31-9890 31-9893 31-9892 16-73 visit us at www.sscycle.com

[close]