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2012 Yamaha CygnusX Overview
Yamaha CygnusX is a scooter motorcycle, displacing 125 cc. Power comes from a Single cylinder, four-stroke engine running SOHC valve actuation, a compression ratio of 10.0:1. Bore and stroke come in at 52.4 x 57.9 mm. On the performance side, it delivers 9.30 Nm @ 7500 of torque. On the road, the 2012 CygnusX tips the scales at 120 kg, carries a 7.10-litre fuel tank, offers a seat height of 785 mm and spans a 1,295 mm wheelbase. That's roughly 65.9 kg lighter than the average scooter motorcycle in our database. The full 2012 Yamaha CygnusX spec sheet below covers every technical detail, from suspension travel to tyre sizes.
2012 CygnusX - Pros & Cons
Strengths
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🔧
Fuel injection: Fuel injection means consistent cold starts and clean throttle response without the fussiness of a carbureted setup.
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⚙️
Low-maintenance final drive: Running Belt final drive cuts out the regular chain cleaning and tensioning that most bikes need.
Considerations
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⛽
Modest fuel capacity: Range between stops is limited by the 7.10-litre tank - plan fuel stops accordingly on longer routes.
Wear Points & Servicing Notes
Fuelling & injector care
The fuel injection on the CygnusX needs little beyond good fuel and periodic use of an injector-cleaner additive - no jetting or float-bowl maintenance to worry about.
Valve clearance checks
With SOHC valve gear, the CygnusX needs periodic clearance checks; caught early they're a cheap adjustment, left unchecked they accelerate valve seat wear.
Brake disc and pad wear
Braking up front comes from Single disc - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.
Suspension condition on used examples
The CygnusX's suspension runs Telescopic fork at the front. The rear uses Unit swing. Fork-seal condition and rear linkage play are the two things worth checking before buying used.
Final drive maintenance
The CygnusX runs belt final drive: no lubrication or frequent adjustment like a chain, though belt tension and wear are worth a periodic look.
Low-speed handling
120 kg keeps the CygnusX easy to move around in tight spaces, car parks and on the stand alike.
CygnusX - Buying & Maintenance Guide
What to check before buying
Before handing over money for a used 2012 Yamaha CygnusX, cover the fundamentals: service book and oil change history, chain and sprocket wear, and any sign of oil weeping around the casings. Cold-starting it yourself tells you a lot - a healthy CygnusX should catch quickly and settle into a smooth idle.
Oil and filter changes
Nothing protects a CygnusX's engine like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). Match the viscosity grade to what the owner's manual specifies, not what's cheapest.
Fuel system care
Fuel injection on the CygnusX needs little attention beyond decent fuel and an occasional system-cleaner additive. Anything left standing for three months or more should have its fuel drained and replaced before it varnishes the injectors.
Valve clearance service
Valve clearances are easy to overlook on a used CygnusX since a bike out of spec doesn't always feel obviously wrong - but the wear it causes is real. Ask the seller for documentation before assuming it's been done.
2012 Yamaha CygnusX - Frequently Asked Questions
What engine does the 2012 Yamaha CygnusX have?
The 2012 Yamaha CygnusX uses a Single cylinder, four-stroke engine with 125 cc of displacement.
How much does the 2012 Yamaha CygnusX weigh?
The 2012 Yamaha CygnusX weighs 120 kg. This is the manufacturer's wet figure.
How much power does the 2012 Yamaha CygnusX make?
The 2012 Yamaha CygnusX produces 9.30 Nm @ 7500 of torque.
What is the fuel tank capacity of the 2012 Yamaha CygnusX?
The 2012 Yamaha CygnusX has a 7.10-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 118-141 km between stops.
Is the 2012 Yamaha CygnusX suitable for shorter riders?
The 2012 Yamaha CygnusX has a seat height of 785 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2012 Yamaha CygnusX have?
The 2012 Yamaha CygnusX uses Single disc at the front and Expanding brake at the rear.
What tyre sizes does the 2012 Yamaha CygnusX use?
The 2012 Yamaha CygnusX runs 110/70-12 front and 120/70-12 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
Yamaha CygnusX Spec Evolution
The Yamaha CygnusX was produced across 11 model years (2006-2016). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
| Dry Weight |
114 kg / 251.3 lbs |
116 kg / 255.7 lbs |
116 kg / 255.7 lbs |
- |
- |
112 kg / 246.9 lbs |
112 kg / 246.9 lbs |
112 kg / 246.9 lbs |
112 kg / 246.9 lbs |
112 kg / 246.9 lbs |
112 kg / 246.9 lbs |
| Engine Type |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
| Seat Height |
770 mm / 30.3 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
| Fuel Capacity |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.10 litres / 1.88 gallons |
7.40 litres / 1.96 gallons |
| Ground Clearance (mm) |
110 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
113 mm |
| Ground Clearance (in.) |
4.3 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
4.4 inches |
| Fuel Control |
- |
SOHC |
SOHC |
- |
- |
Single Overhead Cams (SOHC) |
SOHC |
SOHC |
SOHC |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
| Displacement (ci) |
7.62 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
7.63 cubic inches |
Key Specifications
Engine
Single cylinder, four-stroke
Power
Not published by manufacturer
Torque
9.30 Nm (0.9 kgf-m or 6.9 ft.lbs) @ 7500
Top Speed
Not published by manufacturer
Weight
120.0 kg / 264.6 lbs
Fuel Capacity
7.10 litres / 1.88 gallons
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Full 2012 Yamaha CygnusX Specifications
Colours
Silver, white, black
Warranty
6 Month (Limited Factory Warranty)
Storage
Full-size helmet storage under the dual seat. Glovebox in the knee-panel
Ground Clearance (mm)
113 mm
Ground Clearance (in.)
4.4 inches
Seat Height
785 mm / 30.9 in.
Wheelbase
1,295 mm / 51.0 in.
Height
1,186 mm / 46.7 in.
Length
1,855 mm / 73.0 in.
Width
685 mm / 27.0 in.
Dry Weight
112 kg / 246.9 lbs
Fuel Capacity
7.10 litres / 1.88 gallons
Wet Weight
120.0 kg / 264.6 lbs
Fuel Control
SOHC
Bore x Stroke (in,)
2.1 x 2.3 inches
Bore x Stroke (mm)
52.4 x 57.9 mm
Engine Type
Single cylinder, four-stroke
Displacement (ci)
7.63 cubic inches
Displacement (cc)
125.00 cc
Fuel System
Injection
Compression Ratio
10.0:1
Engine Lubrication
Wet sump
Ignition
DC-CDI
Starter
Electric & kick
Final Drive
Belt
Gearbox
Automatic
Primary Drive
V-Belt Automatic
Suspension - Front
Telescopic fork
Suspension - Rear
Unit swing
Wheel Travel - Front
78 mm / 3.1 in.
Wheel Travel - Front
147 mm / 3.1 in.
Wheel Travel - Front
78 mm / 5.8 in.
Wheel Travel - Front
147 mm / 5.8 in.
Wheel Travel - Rear
193 mm / 7.6 in.
Instrumentation
Speedometer, odometer and fuel gauge
Lighting system
Dual 30W Krypton multireflector headlights and 21/5W brakelight
Brakes - Rear Diameter (mm)
150 mm
Brakes - Rear Diameter (in.)
5.9 inches
Brakes - Front Diameter (mm)
216 mm
Brakes - Front Diameter (in.)
8.5 inches
Brakes - Front
Single disc
Brakes - Rear
Expanding brake (drum brake)
Tyres - Front
110/70-12
Tyres - Rear
120/70-12
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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