
KYMCO TOP BOY 50
· Generation
Source and record
- Swiss type approval (TARGA)
Official source: ASTRA (Federal Roads Office)
Sources: TARGA and TAS (Type Approval System, the official successor system). Individual values on this page may come from either catalogue.
: Brand and model come from the official catalogue.
Data as of: 2026-08-01
This page describes a vehicle configuration (type/variant/version), not an individual vehicle.
Vehicle stock in Switzerland
47 actively registered
Colours
- Red19
- Yellow10
- Grey9
- Black9
Cantons
- 9
- 6
- 5
- 4
- 4
- 3
- 3
- 3
- 2
- 1
- 1
- 1
- 1
- 1
- 1
- 1
- 1
First registration by year
- 199911
- 20007
- 200110
- 20025
- 20034
- 20049
- 20051
Fuel
Authoritative value — per type approval (TARGA)
- Petrol
Body form
Authoritative value — per type approval (TARGA)
- Roller · No official English label
Gearbox
- Continuously variable (CVT)
Axles
- 2
Cylinders
Authoritative value — per type approval (TARGA)
- 1
Postcodes
- 18..
- 82..
- 88..
- 20..
- 72..
- 80..
- 84..
- 92..
- 94..
- 96..
- 10..
- 16..
- 19..
- 23..
- 34..
- 45..
- 46..
- 48..
- 60..
- 65..
- 75..
- 85..
- 87..
- 90..
- 91..
- 95..
VIN prefixes
- RFBSF10AG60......
- RFBSF10AF59......
Identification
- MOTORRAD
- Type-variant
- SF10
- Model (source data)
- Top Boy 50
Classification
- 49
- 1.4–4 kW
- Cylinders
- 1
- Tyres/rims
Field explanations
Official ASTRA meaning of this vehicle's source fields. Unknown, preserved, or not-yet-translated values stay visible and are never invented.
| Source field | Value | Unit | Status | ||
|---|---|---|---|---|---|
| body_code | 285 | ||||
| fuel_code | B |
Type approval
- Granted
- 09/09/1998
- Valid until
- 30/09/2003
- Source
- TG-Moto.txt
Emissions
- Engine make
- KYMCO
- Engine type
- KY-SF10
- 2-Takt / 1 / Monoblock
- s · Continuously variable transmission (stepless)
- C00
- Exhaust code
- ADNA
- 49
- Homologation date
- 09/09/1998
Published source values
Shown exactly as published by the source and preserved for traceability.
- K ·
- 2/2
- y
- 5
- 6500
- ET-CO
- 3610
- ET-NMHC
- 0
- ET-NOx
- 20
- ET-PA
- 0
- ET-PA-Exp
- 0
- ET-PM
- 0
- ET-T_IV-THC
- 0
- ET-T_VI-CO
- 0
- ET-T_VI-THC
- 0
- ET-THC
- 2080
- ET-THC+NOx
- 0
- 73
- 0
- 255
- GeräuschCode
- GCAA
- 0
- 0
- 12.48
- 0
- 7000
- ScCo2
- 0
- ScConsumption
- 0
- ScNh3
- 0
- ScNo2
- 0
- 77
- 3500
- TC_CO2
- 0
- TC_Consumption
- 0
- TC_NH3
- 0
- TC_NO2
- 0
- 0
- 0
- ZT-CO
- 0
- ZT-NMHC
- 0
- ZT-NOx
- 0
- ZT-PA
- 0
- ZT-PA-Exp
- 0
- ZT-PM
- 0
- ZT-T_VI-CO
- 0
- ZT-T_VI-THC
- 0
- ZT-THC
- 0
- ZT-THC+NOx
- 0
Data sheet
Manufacturer & identification
- Manufacturer
- KWANG YANG MOTOR CO., LTD, RC KAOHSIUNG, TAIWAN R.O.C.
- Manufacturer's plate
- am Rahmen, innen links neben hinterem Federbein; von hinten sichtbar
- Chassis number
- im Fussraum, vorn Mitte Rohrrahmen; Deckel entfernen
Chassis
- Axles/wheels
- 2/2
- Gearbox 1
- s · Continuously variable transmission (stepless)
- Ratio iA 1
- 12,48
- Assignment 1
- a
- Max speed mechanical (km/h)
- 69
- Hand brake, line 1
- VR= hydr., 1 Scheibe, gelocht
- Foot brake, line 1
- HR= mech., Trommel
Engine
- Engine make
- KYMCO
- Engine type
- KY-SF10
- Design type
- 2-Takt / 1 / Monoblock
- Power (kW)
- 3.5
- Power at (rpm)
- 7000
- Max torque (Nm)
- 5
- Max torque at (rpm)
- 6500
- Exhaust gas treatment
- in Schalldämpfer integriert
- Muffler 1 (type)
- HS ·
- Muffler 1 (designation)
- 1/KEB7, Austritt-d= 16mm
- Engine code
- KY-SF10
- Engine code location
- links, seitlich hinten an Lasche des Motorgehäuses
- Noise damping, line 1
- über Schalldämpfer
Dimensions & body
- Length (mm)
- 1905
- Width (mm)
- 723
- Height (mm)
- 1070
- Front overhang (mm)
- 240
- Rear overhang (mm)
- 355
- Wheelbase 1-2 (mm)
- 1310
- Parking stand
- Zentral- und Seitenständer
- Anti-theft device
- Lenkerschloss
- Sidecar operation
- nein
Weights & trailer loads
- Unladen weight (kg)
- 170
- Guaranteed weight (kg)
- 255
- Front axle rating (kg)
- 96 – 159
- Braked trailer load (kg)
- 0
- Unbraked trailer load (kg)
- 0
- Braked trailer load, autom. (kg)
- 0
- Unbraked trailer load, autom. (kg)
- 0
Remarks
- Remark 1
- 31) Kunststoff-Kotflügelverlängerung hinten
Additional fields (all source data)
Shown exactly as published by the source and preserved for traceability.
- 3832
- KWANG YANG MOTOR CO., LTD, RC KAOHSIUNG, TAIWAN R.O.C.
- am Rahmen, innen links neben hinterem Federbein; von hinten sichtbar
- im Fussraum, vorn Mitte Rohrrahmen; Deckel entfernen
- 2/2
- s · Continuously variable transmission (stepless)
- 12,48
- a
- 0
- 0
- 0
- 69
- VR= hydr., 1 Scheibe, gelocht
- HR= mech., Trommel
- KYMCO
- KY-SF10
- 2-Takt / 1 / Monoblock
- 3.5
- 7000
- 6500
- 5
- in Schalldämpfer integriert
- HS ·
- 1/KEB7, Austritt-d= 16mm
- KY-SF10
- links, seitlich hinten an Lasche des Motorgehäuses
- über Schalldämpfer
- Zentral- und Seitenständer
- Lenkerschloss
- 0
- 1905
- 0
- 723
- 0
- 1070
- 0
- 240
- 0
- 355
- 0
- 1310
- 0
- 0
- 0
- 0
- 0
- 170
- 0
- 255
- 0
- 0
- 159
- 96
- 0
- 0
- 0
- 0
- nein
- v= 120/90-10 56J, 10x3.00 / h= 130/90-10 59J, 10x3.50
- v= 120/70-12 56J, 12x3.00 / h= 130/70-12 59J, 12x3.50
- 31) Kunststoff-Kotflügelverlängerung hinten