Yamaha Jog R - 2009 Specifications and Reviews

The 2009 Yamaha Jog R is a lightweight 49cc automatic scooter ideal for urban commuters and entry-level riders seeking economical, easy-to-ride daily transportation. Known for its reliability and fuel efficiency, this air-cooled two-stroke features electronic ignition and dual electric/kick starting for dependable performance in city environments.

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Engine and Transmission Specifications

Transmission typefinal driveBelt
GearboxAutomatic
Cooling systemAir
Lubrication systemSeparate lubrification
StarterElectric & kick
IgnitionCDI
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression11.6:1
Torque2.78
Power2.73
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,210 mm (47.6 inches)
Ground clearance132 mm (5.2 inches)
Overall width675 mm (26.6 inches)
Overall length1,740 mm (68.5 inches)
Overall height1,065 mm (41.9 inches)
Seat height770 mm (30.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc81.0 kg (178.6 pounds)

Yamaha Jog R dimensions and frame

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter190 mm (7.5 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-12
Front tyre dimensions110/70-12
Rear suspension travel60 mm (2.4 inches)
Rear suspensionUnit swing
Front suspension travel70 mm (2.8 inches)
Front suspensionTelescopic fork
 
 

Speed and acceleration

Fuel capacity5.50 litres (1.45 gallons)

CategoryScooter
Year2009
ModelYamaha Jog R

Other specs

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

Performance Profile & Rider Fit

2.7 hp
Peak Power

Best For

Track5%
City88%
Cornering55%
Daily Riding75%
Touring10%
Passenger25%

Rider Profile

Best ForSuitable for absolute beginners and those wanting simple, low-stakes transportation with minimal learning curve.
PurposeBuilt for short urban hops, errands, and light commuting rather than any kind of performance riding.
Rider FitVery light weight and low seat height make it easy to handle for riders of almost any size or strength.
CharacterA cheerful, no-fuss small-wheeled scooter that prioritizes convenience and nimbleness over speed or excitement.
Not Ideal ForNot for highway commuting, long-distance touring, carrying a passenger comfortably, or anyone seeking real performance.

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

Rider Fit Visualizer

2009 Yamaha Jog R Rider Ergonomics Assessment

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Feet:

At 770mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Yamaha Jog R, 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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