Kymco Yup 50
The Kymco Yup 50 was a air-cooled, two-stroke, single cylinder, SOHC scooter produced by Kymco between 2005 and 2008. Max torque was 3.69 ft/lbs (5.0 Nm) @ 6500 RPM. Claimed horsepower was 4.96 HP (3.7 KW) @ 7000 RPM.
Kymco Yup50 | |
Manufacturer | |
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Also called | Yup, Yup 50, YUP50 |
Production | 2005 - 2008 |
Class | Scooter |
Engine | air-cooled, two-stroke, single cylinder, SOHC |
Bore / Stroke | 38.1mm x 38.1mm |
Compression ratio | 7.2:1 |
Horsepower | 4.96 HP (3.7 KW) @ 7000RPM |
Torque | 3.69 ft/lbs (5.0 Nm) @ 6500RPM |
Fuel System | 28mm Keihin VE carburetor |
Spark Plug | NGK BR8HSA |
Battery | YUASA YTX4L-BS |
Transmission | Gear box: CVT Final Drive: shaft |
Suspension | Front: telescopic fork Rear: monoshock |
Brakes | Front: single 200mm disc, 2-piston caliper Rear: drum |
Front Tire | 120/70-12 |
Rear Tire | 130/70-12 |
Wheelbase | 50.98 inches (1295 mm) |
Length | 76.42 inches (1941 mm) |
Width | 27.6 inches (701 mm) |
Height | 44.29 inches (1125 mm) |
Seat Height | 32.6 inches (828 mm) |
Weight | 213.85 pounds (97.0 Kg) (dry), 97.0 kg (wet) |
Manuals | Service Manual |
EngineEdit
The engine was a air cooled air-cooled, two-stroke, single cylinder, SOHC. A 38.1mm bore x 38.1mm stroke result in a displacement of just 49.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
DriveEdit
The bike has a CVT transmission.
ChassisEdit
It came with a 120/70-12 front tire and a 130/70-12 rear tire. Stopping was achieved via single 200mm disc, 2-piston caliper in the front and a drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a monoshock. The bike weighed just 213.85 pounds (97.0 Kg). The wheelbase was 50.98 inches (1295 mm) long.
2007 Kymco Yup 50Edit
The 2007 MY Kymco Yup 50 has, at its heart, an air-cooled, two-stroke, 49cc, single cylinder engine paired to a continuously variable transmission (CVT) and can produce 5 horsepower and 5 Nm of torque. This entry-level machine has been designed to fit the taste of the more nostalgic among Kymco fans, and boasts 60's and 70's Vespa DNA embedded in its design. Standard features include a single disc front brake, alloy rims, an under-seat storage compartment and pillion grab handles.
2008 Kymco Yup 50Edit
The 2008 MY Kymco Yup 50 sports an air-cooled, two-stroke, 49cc, single cylinder lump paired to a continuously variable transmission, and can produce 5 horsepower and 5 Nm of torque. As its larger bore sibling, the Yup 250, this entry-level scooter was designed for riders of all ages and experience levels. Standard features include an under-seat storage compartment, pillion grab handles, and a front disc brake.
SpecificationsEdit
Make Model | Kymco YUP 50 / Sting |
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Year | 2003 - 07 |
Engine Type | Two stroke, single cylinder |
Displacement | 49.4 cc / 3.0 cu in |
Bore X Stroke | 39 x 41.4 mm |
Cooling System | Forced air cooled |
Compression | 7.2:1 |
Lubrication | Forced lubrication |
Oil Capacity | 1.3 L / 2.7 US pt |
Exhaust | 1-into-1 |
Induction | Keihin VE, 28.8 mm Ø |
Ignition | CDI |
Spark Plug | NGK-BR8HSA |
Battery | 12V, 3AH |
Starting | Kick start |
Max Power | YUP: 4.04 kW / 5.4 hp @ 7000 rpm Speed Limit: 2.8 kW / 3.8 hp @ 6500 rpm |
Max Torque | YUP: 5.6 Nm / 0.57 kgf-m / 3.98 ft lbs @ 6500 rpm Speed Limit: 4.4 Nm / 0.45 kgf-m / 3.24 ft lbs @ 6000 rpm |
Clutch | Dry, multi-disc |
Transmission | Automatic |
Final Drive | Shaft/cardan |
Frame | Steel tubes and pressed steel boards |
Front Suspension | Hydraulic fork, Ø 33 mm |
Front Wheel Travel | 80 mm / 3.1 in |
Rear Suspension | Mono swingarm with adjustable shock absorber |
Rear Wheel Travel | 70 mm / 2.8 in |
Front Brakes | Single 220 mm Ø disc, 2-piston caliper |
Rear Brakes | Expanding drum |
Wheels | Alloy, 3-spoke |
Front Tire | 120/70-12 |
Rear Tire | 130/70-12 |
Dimensions | Length: 1940 mm / 76.4 in Width: 700 mm / 27.6 in Height : 1120 mm / 44.1 in |
Wheelbase | 1296 mm / 51.0 in |
Seat Height | 828mm / 32.6 in |
Dry Weight | 97 kg / 214 lbs |
Fuel Capacity | 5.3 L / 1.4 US gal |
Colours | Light green/silver, Light blue/silver, Rose/silver |