KYMCO

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

5 actively registered

Colours

  • Red3
  • Grey2

Cantons

  • 2
  • 2
  • 1

First registration by year

  • 19992
  • 20001
  • 20012

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)
  • Automatic

Axles

  • 2

Cylinders

Authoritative value — per type approval (TARGA)

  • 1

Postcodes

  • 11..
  • 12..
  • 30..
  • 37..
  • 85..

VIN prefixes

  • RFBSF10AG60......
  • RFBSF10AF59......

Identification

KLEINMOTORRAD
Type-variant
SF10
Model (source data)
Top Boy 50

Classification

49
1–4 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 fieldValueUnitStatus
body_codeunavailable285
fuel_codeunavailableB

Type approval

Granted
09/09/1998
Valid until
30/09/2003
Source
TG-Moto.txt

Emissions

Engine make
KYMCO
Engine type
KY-SF10F
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
2.5
4000
ET-CO
5680
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
1920
ET-THC+NOx
0
69.5
0
255
GeräuschCode
GDAB
0
0
12.48
0
5750
ScCo2
0
ScConsumption
0
ScNh3
0
ScNo2
0
61
4315
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)
45
Hand brake, line 1
VR= hydr., 1 Scheibe, gelocht
Foot brake, line 1
HR= mech., Trommel

Engine

Engine make
KYMCO
Engine type
KY-SF10F
Design type
2-Takt / 1 / Monoblock
Power (kW)
1.4
Power at (rpm)
5750
Max torque (Nm)
2.5
Max torque at (rpm)
4000
Exhaust gas treatment
in Schalldämpfer integriert
Muffler 1 (type)
HS ·
Muffler 1 (designation)
1/KEB7, Austritt-d= 16mm
Engine code
KY-SF10F
Engine code location
links, seitlich hinten an Lasche des Motorgehäuses
Noise damping, line 1
eingeschweisst. Abschirmblech m. Absorptions-
Noise damping, line 2
material belegt 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
Remark 6
Eintrag Fz-Ausweis: 118-Geschwindigkeit max. 45 km/h. Höchstgeschwindigkeitszeichen erforderlich
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
45
VR= hydr., 1 Scheibe, gelocht
HR= mech., Trommel
KYMCO
KY-SF10F
2-Takt / 1 / Monoblock
1.4
5750
4000
2.5
in Schalldämpfer integriert
HS ·
1/KEB7, Austritt-d= 16mm
KY-SF10F
links, seitlich hinten an Lasche des Motorgehäuses
eingeschweisst. Abschirmblech m. Absorptions-
material belegt 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= 120/70-12 56J, 12x3.00 / h= 130/70-12 59J, 12x3.50
v= 120/90-10 56J, 10x3.00 / h= 130/90-10 59J, 10x3.50
31) Kunststoff-Kotflügelverlängerung hinten
Eintrag Fz-Ausweis: 118-Geschwindigkeit max. 45 km/h. Höchstgeschwindigkeitszeichen erforderlich