Rieju NKD 125 - 2009 Specifications and Reviews

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General information

CategoryNaked bike
ModelRieju NKD 125
Year2009

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
StarterElectric & kick
Valves per cylinder2
Fuel systemCarburettor. Mikuni VM20SS
Bore x stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Stroke4
Engine typeSingle cylinder
Capacity:125.00 ccm (7.63 cubic inches)

Physical measures and capacities

Wheelbase1,300 mm (51.2 inches)
Overall length1,900 mm (74.8 inches)
Overall height1,060 mm (41.7 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Dry weight103.9 kg (229.1 pounds)
 
 

Rieju NKD 125 dimensions and frame

Exhaust systemExhaust pipe with stainless steel silencer
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions130/80-17
Front tyre dimensions100/80-17
Rear suspensionMono-shock shock absorber
Front suspensionPaioli fork of 36mm.
Frame typeTriangular double cradle double steel tube

Speed and acceleration

Color optionsREd, blue, grey, black
Fuel capacity10.40 litres (2.75 gallons)
 
 

Other specs

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

Performance Profile & Rider Fit

Best For

Track20%
City82%
Cornering55%
Daily Riding70%
Touring25%
Passenger30%

Rider Profile

Best ForThis is a friendly, low-intimidation bike well suited to beginners, new licence holders, or riders stepping up from scooters.
PurposeIt's built primarily as a lightweight urban commuter and learner naked bike rather than a performance or adventure machine.
Rider FitThe low seat height and light dry weight make it easy to handle for smaller or less experienced riders, including at a standstill in traffic.
CharacterIt has a simple, no-frills naked-bike character with modest single-cylinder performance, favoring approachability and nimbleness over outright speed.
Not Ideal ForIt's not a good fit for highway touring, carrying a passenger long distances, or riders seeking strong acceleration and top-end power.

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

Rider Fit Visualizer

2009 Rieju NKD 125 Rider Ergonomics Assessment

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Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Rieju NKD 125, with a moderate knee angle of around 115 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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