Suzuki Boulevard S40 - 2018 Specifications and Reviews

The 2018 Suzuki Boulevard S40 is an approachable cruiser designed for new and smaller-framed riders seeking classic styling with user-friendly handling. Its lightweight 173 kg frame, low 700 mm seat height, and manageable power delivery make it ideal for building confidence and enjoying leisurely rides. Known for its retro aesthetics with polished wire-spoked wheels and affordable entry into cruiser culture, the S40 prioritizes comfort and simplicity over performance.

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General information

CategoryCustom / cruiser
Year2018
ModelSuzuki Boulevard S40

Engine and Transmission Specifications

DrivelineConstant mesh
Transmission type,final driveBelt
Gearbox5-speed
Cooling systemAir
Lubrication systemWet sump
IgnitionElectronic ignition (transistorized)
Fuel controlOverhead Cams (OHC)
Fuel systemCarburettor. Mikuni BS40, single
Bore x Stroke94.0 x 94.0 mm (3.7 x 3.7 inches)
Compression9.4:1
Engine typeSingle cylinder, four-stroke
 
 

Brakes, suspension, Frame and wheels

SeatOne-piece saddle
WheelsPolished wire spoked wheels
Rear brakesExpanding brake (drum brake)
Front brakesSingle disc
Rear tyre140/80-M15
Front tyre100/90-M19
Rear SuspensionSwing arm type, coil spring, oil damped
Front SuspensionTelescopic, coil spring, oil damped
Frame typeSteel frame with tubular backbone
 
 

Physical measures and capacities

Fuel capacity10.60 litres (2.80 gallons)
Wheelbase1,480 mm (58.3 inches)
Ground clearance135 mm (5.3 inches)
Overall width720 mm (28.3 inches)
Overall length2,180 mm (85.8 inches)
Seat height700 mm (27.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc173.0 kg (381.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty12 month unlimited mileage limited warranty.
StarterElectric
Color optionsMetallic Mystic Silver, Pearl Splendor Violet

Performance Profile & Rider Fit

9.5s
0-60 mph (est.)

Best For

Track10%
City60%
Cornering35%
Daily Riding55%
Touring35%
Passenger25%

Rider Profile

Best ForWell suited to beginner and intermediate riders thanks to its light weight, low seat height, and mild single-cylinder power delivery.
PurposeBuilt as an entry-level cruiser for relaxed street riding and around-town cruising rather than performance or long-distance touring.
Rider FitVery approachable for shorter or lighter riders due to the low 700mm seat height and manageable 173kg curb weight.
CharacterA laid-back, classic-styled single-cylinder cruiser that emphasizes simplicity, easy handling, and low-speed charm over outright performance.
Not Ideal ForNot a good fit for riders wanting high speed, aggressive cornering ability, serious off-road capability, or comfortable two-up long-distance touring.

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

Rider Fit Visualizer

2018 Suzuki Boulevard S40 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 700mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Suzuki Boulevard S40, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2018 Suzuki Boulevard S40 motorcycle is a sleek and stylish ride that delivers plenty of power and performance. With its 652cc single-cylinder engine, this bike has the muscle to tackle any road or adventure. Its lightweight design and low seat height make it easy to handle and maneuver, making it an ideal choice for both new and experienced riders. The comfortable riding position and responsive throttle make for a thrilling and enjoyable riding experience. Overall, the 2018 Suzuki Boulevard S40 is a fantastic option for anyone looking for a reliable and capable motorcycle. From its retro-inspired design to its powerful engine, the 2018 Suzuki Boulevard S40 motorcycle is a standout choice in the cruiser category. It's the perfect blend of style and performance, with its classic look and modern features. Whether you're hitting the open road or navigating city streets, this bike is sure to turn heads and provide a smooth and enjoyable ride. With its reputation for durability and reliability, the Suzuki Boulevard S40 is a top pick for riders looking for a dependable and fun motorcycle.
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