SYM Jet4 50R Naked: review, history, specs
SYM Jet4 50R Naked | |
Manufacturer | |
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Production | 2014 |
Class | Scooter |
Engine | Single cylinder, 4-stroke, SOHC |
Compression ratio | 12.2:1 |
Top Speed | 60 km/h / 37 mph |
Horsepower | 2.01 HP (1.5 KW) @ 8500RPM |
Torque | 2.21 ft/lbs (3.0 Nm) @ 6500RPM |
Fuel System | Carburetor (CV) |
Ignition | CDI |
Spark Plug | A7RC |
Battery | 12V 6 Ah |
Transmission | CVT |
Final Drive | Belt |
Frame | Steel, monocuna split steel tube |
Suspension | Front: Telescopic fork Rear: Twin sided swing arm |
Brakes | Front: Hydraulic disc, 226 mm Rear: Drum, 110 mm |
Front Tire | 120/60-13 tubeless |
Rear Tire | 130/70-12 tubeless |
Wheelbase | 1320 mm / 52.0 in. |
Seat Height | 775 mm / 30.5 in. |
Weight | 98 kg / 216 lbs (dry), 109 kg / 240 lbs (wet) |
Fuel Capacity | 5.2 L / 1.4 US gal |
Manuals | Service Manual |
The SYM JET4 50R NAKED was a Single cylinder, 4-stroke, Air-cooled scooter produced by SYM in 2015. Max torque was 2.21 ft/lbs (3.0 Nm) @ 6500 RPM. Claimed horsepower was 2.01 HP (1.5 KW) @ 8500 RPM. It could reach a top speed of 60 km/h / 37 mph.
Engine[edit | edit source]
The engine was a Air cooled cooled Single cylinder, 4-stroke, SOHC. The engine featured a 12.2:1 compression ratio.
Drive[edit | edit source]
Power was moderated via the Centrifugal.
Chassis[edit | edit source]
It came with a 120/60-13 tubeless front tire and a 130/70-12 tubeless rear tire. Stopping was achieved via Hydraulic disc, 226 mm in the front and a Drum, 110 mm in the rear. The front suspension was a Telescopic fork while the rear was equipped with a Twin sided swing arm. The Jet4 50R Naked was fitted with a 5.2 L / 1.4 US gal fuel tank. The bike weighed just 98 kg / 216 lbs. The wheelbase was 1320 mm / 52.0 in. long.
2015 SYM JET4 50R NAKED[edit | edit source]
In 2014 SYM launches 50R version of Jet 4, a scooter with air-cooled engine which has the same qualities of his older brother valve engine, but with lower weight: 98 kgs. The new scooter is with sporty appearance and with special body design. Jet 4 undoubtedly provides a popular form of sporty spirit.
Photos[edit | edit source]
Overview[edit | edit source]
Designed for a younger, sportier look, SYM launches R 50cc version of Jet 4, a scooter with air-cooled engine which has the same qualities of his older brother valve engine, but with lower weight: 98 kgs.
Combined with practical details such as flatbed, lockable glover bos, the front brake disc with large profile, more space under the seat and rear grill racks with integrated handles, make the Jet 4 50cc R scooter 100 % urban - also thanks to its wheels 13" front and 12″ rear, and suspension that provides an optimal combination of stability, agility and comfort.
Make Model | SYM Jet4 50R Naked |
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Year | 2014 |
Engine Type | Single cylinder, 4-stroke, SOHC |
Displacement | 49.5 cc / 3.0 cub in. |
Bore X Stroke | 39 mm / 41.4 mm |
Cooling System | Air cooled |
Compression | 12.2:1 |
Engine Oil Capacity | 0.85 L / 1.8 US pints |
Transmission Oil Capacity | 0.11 L / 0.23 US pints |
Lubrication | Dry sump |
Exhaust | Single |
Fuel System | Carburetor (CV) |
Induction | Electronic |
Ignition | CDI |
Spark Plug | A7RC |
Battery | 12V 6 Ah |
Starting | Electric & kick |
Max Power | 2.35 kW / 3.2 hp @ 8500 rpm |
Max Torque | 3.1 Nm / 0.32 kgf-m / 2.18 ft/lbs @ 6500 rpm |
Clutch | Centrifugal |
Transmission | CVT |
Final Drive | Belt |
Frame | Steel, monocuna split steel tube |
Front Suspension | Telescopic fork |
Front Wheel Travel | 70 mm / 2.8 in. |
Rear Suspension | Twin sided swing arm |
Rear Wheel Travel | 68 mm / 2.7 in. |
Front Brakes | Hydraulic disc, 226 mm |
Rear Brakes | Drum, 110 mm |
Wheels | Aluminum |
Front Tire | 120/60-13 tubeless |
Rear Tire | 130/70-12 tubeless |
Dimensions | Length: 1900 mm / 74.8 in. Width: 655 mm / 25.8 in. Height: 1040 mm / 40.9 in. |
Wheelbase | 1320 mm / 52.0 in. |
Seat Height | 775 mm / 30.5 in. |
Dry Weight | 98 kg / 216 lbs |
Wet Weight | 109 kg / 240 lbs |
Fuel Capacity | 5.2 L / 1.4 US gal |
Average Fuel Consumption | 2.1 L/100km / 67 km/l 110 US mpg |
Top Speed | 60 km/h / 37 mph |
Colours | Black, Red, Yellow, Light blue |