Last updated: Tuesday, 26-Feb-2002 12:49:44 MST

XS1100E Specifications

As reported in Cycle Magazine
January 1978

Make and modelYamaha XS Eleven
Price, suggested retail$2989
PERFORMANCE
Standing start 1/4-mile11.82 sec @ 115.38 mph
Engine rpm @ 60 mph, top gear3790
Average fuel consumption rate44.7 mpg
Cruising range, main/reserve188/44
Load capacity (GVWR less curb weight)221.8 kg (488 lbs)
Maximum speed in gears @ engine redline(1) 53.2, (2) 73.2, (3) 92.6, (4) 115.1, (5) 184.7
ENGINE
TypeFour-stroke in-line four, air-cooled, twin camshaft cylinder he-ad with rolier-chain timing drive
Bore and stroke71.5 x 68.6mm (2.82 x 70 in.)
Piston displacement1102cc (67.2 cu. in.)
Compression ratio9.21 (full-stroke)
Carburetion(4) 34mm CV butterfly-throttle Mikuni
Exhaust systemFour-into-two
IgnitionInductive, magnetically switched, battery powered
Air filtrationFoam element, washable
Oil filtrationPaper element, disposable
Oil capacity4.0 liters (4.3 qts)
TRANSMISSION
TypeFive-speed constant-mesh, wet-plate clutch, shaft final drive
Primary driveHy-Vo chain and spur gear, 25/25 x 58/35, 1,66:1
Final driveShaft, with spur and two-stage bevel gears, 44/47 x 19/18 x 33/10, 3.26:1
Gear ratios, overall(1) 12.08, (2) 8.78, (3) 6.94, (4) 5.58, (5) 4.77
CHASSIS
TypeTubular full-cradle frame, telescopic center-axle fork, dual-shock, swing-arm rear suspension
Wheelbase1545mm (60.8 in.)
Rake/trail29.5,1/130mm (5.12 in.)
Brake, frontHydraulic, two 298mm (1 1.73 in.) discs with single-piston calipers
Brake, rearHydraulic, one 298mm (11.73 in.) disc with single-piston caliper'
Wheel, frontOne-piece cast, seven-spoke, 19 x 1.85 in.
Wheel, rearOne-piece cast, seven-spoke, 17 x 2.50 in.
Tire, front3.50H19 Bridgestone
Tire, rear4.50H17 Bridgestone
Seat height808mm (31.8 in.)
Ground clearance150mm (5.9 in.)
Fuel capacitymain/reserve I 4.2/ 1.0 = 5.2 gal.
Curb weightfull tank 273.6 kg (602 ibs)
Test weight348.2 kg (766 lbs)
ELECTRICAL
Power sourceAlternator, controlled field
Charge controlAlternator output regulation
Headlight beamshigh/low 65W/50W
Tail/stop lights8W/27W x 2
Battery12V 20AH
INSTRUMENTS
Includes160 mph speedometer, 10,000 rpm tachometer, odometer, tripmeter, fuel gauge, turn indicator lights, high beam light, oil pressure light, headlight failure light
Speedometer error
30 mph indicated
60 mph indicated

actual 29.41
actual 58.10
Odometer errorplus 0.6%
CUSTOMER SERVICE CONTACT:
Customer Relations Department
Yamaha Motor Corp., U.S.A.
6600 Orangethorpe
Buena Park, CA 90620
(714) 522-9444