Suzuki Choinori SS
2004–2008

I have tried to tell the Suzuki Choinori SS model history on this page as I know it. This page is still under construction. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.

2004 Suzuki year code: K4

The Choinori was a 49cc four-stroke mini-scooter from Suzuki, aimed for the Japanese home market. Suzuki wanted to launch a small scooter model that was clearly cheaper than any other scooter on the market, and managed to do it. The retail price for the Choinori for 2003 is 59.800 Yen in Japan, that is about 40% cheaper than any of its competitors. Simple technology and cheaper components were the key to be able to make the Choinori that cheap. There is no rear suspension, to name a detail. The small engine of the bike delivers 2 hp, giving the bike a maximum speed is less than 40 km/h. That's normal figures for Europe, but the Japanese customers are used to get more power from their 50cc bike engines. For a short while, there was a ”manlier” version of the small and cheap Cuzuki Choinori scooter, the Choinori SS. Suzuki's press release had the headline "Adopting a look for men". The light and very simple Choinori series was ”equipped with an odometer that allows you to see the mileage at a glance” and ”a foldable kick lever”. Nice. The Choinori SS was released in December 2003. The Choinori SS was available in two versions, with or without electric starter. The version with both kick and electric starter had a Silver colored frame, the kick start version was all Solid Black. The electric starter made the bike 3 kg (6.6 lbs) heavier. The Choinori SS (without electric starter) was available in three colors: Solid Black (019), Solid Special White No.2 (30H) and Navel Orange (YDP). The Choinori SS with electric starter was available in two colors: Solid Black / Sonic Silver Metallic (CT5) and Solid Special White No.2/ Sonic Silver Metallic (FH7). Starting frame number: CZ41A-169359

2004 Suzuki Choinori SS, Solid Black (019)

2004 Suzuki Choinori SS Overall Length: 1 500 mm (59.1 in) Overall Width: 610 mm (24.0 in) Overall Height: 1 010 mm (39.8 in) Seat Height: 680 mm (26.8 in) Wheelbase 1 055 mm (41.5 in) Ground Clearance: 90 mm (3.5 in) Dry Weight: 43 kg (95 lbs) Engine: Air-cooled 49 cc 1-cylinder, OHV, 2 valves. 2 hp (1.5 kW) @ 5 500 rpm, 2.9 Nm (3.0 kg-m) @ 3 500 rpm. Kick starter Click on the image for larger format.

2004 Suzuki Choinori SS Overall Length: 1 500 mm (59.1 in) Overall Width: 610 mm (24.0 in) Overall Height: 1 010 mm (39.8 in) Seat Height: 680 mm (26.8 in) Wheelbase 1 055 mm (41.5 in) Ground Clearance: 85 mm (3.3 in) Dry Weight: 46 kg (101 lbs) Engine: Air-cooled 49 cc 1-cylinder, OHV, 2 valves. 2 hp (1.5 kW) @ 5 500 rpm, 2.9 Nm (3.0 kg-m) @ 3 500 rpm. Electric and kick starter Click on the image for larger format.

2004 Suzuki Choinori SS (X5SD) specifications (Japan)
Engine type (Z401):	Air-cooled single cylinder, OHV, 2 valves
Cylinder displacement:	49 cc
Bore x stroke:	36,0 x 48,6 mm (1.417 x 1.913 in.)
Compression ratio:	8,4 :1
Maximum power output:	2 hp (1,5 kW)/ 5.500 rpm
Maximum torque:	2,9 Nm (3,0 kg-m)/ 3.500 rpm
Carburetor:	Mikuni VM12
Lubrication:	Wet sump
Engine oil capacity:	0,35 liter (0.74 US pints)
Clutch:	Wet centrifugal automatic
Transmission:	V-belt automatic
Speed change ratio:	2.260—0.882
Primary reduction ratio:	1.000
Gear ratios:	4.272/3.272
Starter:	Electric starter
Ignition:	CDI
Turning radius:	1,6 m (5.25 ft.)
Frame:	Steel profile
Caster:	25° 00'
Trail:	71 mm (2.8 in.)
Steering angle (left to right):	45°
Front brake:	Mechanical drum
Rear brake:	Mechanical drum
Front tyre dimension:	80/90-10 34J
Rear tyre dimension:	80/90-10 34J
Fuel economy:	76,0 km/l (30km/h)
Fuel tank capacity:	3,0 liter (0.8 US gal.)
Retail price (2003, Japan):	59,800 Yen

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