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

XS1100F Specifications

As reported in Cycle Guide Magazine
November 1978

ImporterYamaha Motor Corp. U.S.A.
6600 Orangethorpe Avenue
Buena Park, California 90620
Categorystreet
Suggested Retail Price$3298
Engine typefour-stroke
Cylinder arrangementvertical transverse four
Valve arrangementdouble overhead camshafts
Bore and stroke71.5 mm x 68.6 mm
Displacement1101.6 cc
Compression ratio9.2:1
Ignitionbattery, dual electronic pick-ups (with vacuum advance), dual coils
Charging system12-volt: AC generator, voltage regulator, rectifier
Carburetionfour 34-mm Mikuni constant-velocity
Air filterwashable bristle-covered foam element
Lubricationwet-sump, 4.2-qt. (4.0 1) sump capacity
Primary driveHy-vo chain; jackshaft, straight-cut gears, 1.657:1 ratio
Clutchwet, 8 drive plates, 7 driven plates
Starting systemelectric and auxiliary kick, in neutral
Transmission to-jackshaft reductionstraight-cut gears, 0.936:1 ratio
Jackshaft-to-driveshaft reductionspiral-bevel gears, 1.056:1 ratio
Final (rear wheel) reductionspiral-bevel gears. 3.30:1 ratio
Front fork6.6 in (167.6-mm) travel, 3-way adjustable spring preload
Rear shocksKayaba nitrogen-filled, 4.0-in. (101.6-mm) rear wheel travel, 5-way adjustable spring preload
Front brakedual single@action hydraulic calipers, dual 11.8-in. (300-mm) discs
Rear brakesingle-action hydraulic caliper, 11.8-in. (300-mm) disc
Front tire3.50H19 Bridgestone 21F2 rib
Rear tire4.50H17 Bridgestone 21R2 block
Frametubular mild steel, double front downtubes
Steering head angle29.5 degrees from vertical
Front wheel trail5.12 in. (130 mm)
Wheelbase61.9 in. (157.2 cm)
Weight573 lbs. (260 kg)
Weight distribution45.2% front, 54.8% rear
Ground clearance6.5 in. (165.1 mm), at exhaust clamp
Seat height32.1 in. (815.3 mm)
Handlebar width30.1 in. (764.5 mm)
Footpeg height12.6 in. (320 mm)
Instrumentationspeedometer, odometer, tripmeter resettable to zero, electric tachometer, fuel gauge
Speedometer error30 mph indicated, 30 mph actual
60 mph indicated, 58 mph actual
Fuel tanksteel, 5.8 gal. (22 l) including 1.3 gal. (4.9 l) reserve
Fuel consumption29.5 to 47.8 mpg (12.5 to 20.3 km/l)
Range170 to 277 miles (273 to 446 km) plus 38 to 62 miles (61 to 100 km) reserve
Standing ¼-mile12.12 sec., 111.9 mph (180 kph)
Top speed (calculated)134 mph (216 kph)
Stopping distance33 ft. (10.1 m) from 30 mph, 136 ft. (41.5 m) from 60 mph
All weights and measurements are made with machine unladen and fuel tank empty.
Gear 1 2 3 4 5
Internal Gear Ratio 2.24 1.63 1.29 1.03 0.88
Overall Gear Ratio 12.08 8.78 6.94 5.58 4.77
MPH per 1000 RPM 6.2 8.6 10.9 13.5 15.8

RPMHorsepowerTorque
250016.735.2
300022.339.0
350030.545.9
400036.748.2
450043.250.4
500049.251.7
550055.653.1
600061.653.9
650065.252.7
700068.551.4
750073.051.1
800074.946.7
850074.145.9
900073.740.9
950067.335.3
1000061.130.4