Yamaha Vega Force I - 2018 Specifications and Reviews

The 2018 Yamaha Vega Force i is an affordable, practical underbone motorcycle designed for everyday commuters and budget-conscious riders across Asia. Known for its lightweight construction, excellent fuel efficiency, and reliable electric-kick starter system, it excels as a dependable urban transport solution. Its compact dimensions and low seat height make it accessible for riders of varying experience levels.

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General information

CategoryScooter
Year2018
ModelYamaha Vega Force i

Engine and Transmission Specifications

ClutchDry, Centrifugal, Shoe
Transmission type,final driveChain
Gearbox4-speed
Cooling systemAir
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection
Valves per cylinder2
Bore x Stroke50.0 x 57.9 mm (2.0 x 2.3 inches)
Compression9.3:1
Torque9.90 Nm (1.0 kgf-m or 7.3 ft.lbs) @ 6500 RPM
Power9.92 HP (7.2 kW) @ 7750 RPM
Engine typeSingle cylinder, four-stroke
Capacity:114.00 ccm (6.96 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake)
Front brakesSingle disc
Rear tyre80/90-17
Front tyre70/90-17
Rear SuspensionSwingarm
Front SuspensionTelescopic fork
Trail76 mm (3.0 inches)
Rake (fork angle)26.3°
Frame typeUnderbone
 
 

Physical measures and capacities

Fuel capacity4.20 litres (1.11 gallons)
Wheelbase1,240 mm (48.8 inches)
Ground clearance126 mm (5.0 inches)
Overall width680 mm (26.8 inches)
Overall length1,930 mm (76.0 inches)
Overall height1,065 mm (41.9 inches)
Seat height755 mm (29.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc101.0 kg (222.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSold in Asia.
StarterElectric & kick
Color optionsRed, Black

Performance Profile & Rider Fit

9.9 hp
Peak Power

Best For

Track5%
City88%
Cornering40%
Daily Riding82%
Touring15%
Passenger30%

Rider Profile

Best ForThis is an entry-level commuter machine ideal for brand-new riders or anyone wanting simple, low-stress transportation.
PurposeBuilt purely for short-hop urban commuting and errand-running rather than performance or adventure riding.
Rider FitIts light weight and low seat height make it very easy to handle for riders of almost any size or strength.
CharacterA practical, no-frills underbone-style motorbike that prioritizes fuel efficiency and everyday usability over excitement.
Not Ideal ForThis is not the right choice for riders seeking highway speed, long-distance touring comfort, or any off-road capability.

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

Rider Fit Visualizer

2018 Yamaha Vega Force I Rider Ergonomics Assessment

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Feet:

At 755mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Yamaha Vega Force I, with a moderate knee angle of around 95 degrees and a slightly forward 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 Yamaha Vega Force i is a sleek and powerful motorcycle that offers an impressive combination of style and performance. This bike is equipped with a reliable 4-stroke, SOHC engine that delivers smooth acceleration and excellent fuel efficiency. The lightweight chassis and responsive handling make it a joy to ride, whether you're cruising through the city streets or tackling winding backroads. With its sporty design and advanced features, the Yamaha Vega Force i is a great choice for riders who want a reliable and stylish motorcycle. Overall, the 2018 Yamaha Vega Force i is a fantastic motorcycle that offers a winning combination of performance, style, and value. Whether you're a seasoned rider or new to the world of motorcycles, this bike delivers a smooth and enjoyable riding experience. With its sporty design and advanced features, the Yamaha Vega Force i is sure to turn heads on the road. If you're in the market for a reliable and stylish motorcycle, the 2018 Yamaha Vega Force i is definitely worth considering.
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