Suzuki GSX-R 1100 (reduced Effect) - 1991 Specifications and Reviews

The 1991 Suzuki GSX-R 1100 reduced effect is an accessible middleweight sportbike designed for riders seeking thrilling performance without extreme power delivery. Its 1127cc inline-four engine produces 100 horsepower, delivering strong acceleration and a 232 km/h top speed in a manageable package. Known for balanced handling and reliability, it remains a popular choice for enthusiasts transitioning into serious sportbike riding.

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General information

CategorySport
Year1991
ModelSuzuki GSX-R 1100 (reduced effect)
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder4
Bore x stroke78.0 x 59.0 mm (3.1 x 2.3 inches)
Compression10.0:1
Top speed232.0 km/h (144.2 mph)
Power100.00
Engine typeIn-line four, four-stroke
Capacity:1127.00 ccm (68.77 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions180/55-17
Front tyre dimensions120/60-17

Physical measures and capacities

Fuel capacity21.00 litres (5.55 gallons)
Weight incl. oil, gas, etc253.0 kg (557.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

100 hp
Peak Power
3.4s
0-60 mph
144.2 mph
Top Speed

Best For

Track65%
City45%
Cornering68%
Daily Riding50%
Touring55%
Passenger45%

Rider Profile

Best ForThis is a bike best suited to experienced riders who understand big, air-cooled fours with restricted horsepower but a lot of low-end heft.
PurposeIt was built as a sport touring machine, blending long-legged high-speed cruising with reasonably sporty handling for its era.
Rider FitAt 253 kg it demands a confident, physically capable rider, especially at low speed and when maneuvering off the bike's stand.
CharacterIt suits a rider who enjoys classic-era big-bore inline-four character, a reduced-power 'de-restricted market' variant that still offers strong top-end pull and a commanding highway presence.
Not Ideal ForIt is not a good fit for new riders, those wanting light flickable agility, or anyone seeking modern comfort and off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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