KYMCO

KYMCO TOP BOY 50 ON

· 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

1 actively registered

Colours

  • Red1

Cantons

  • 1

First registration by year

  • 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

  • 25..

VIN prefixes

  • RFBSF10AL51......

Identification

KLEINMOTORRAD
Type-variant
SF; 10/AL
Model (source data)
Top Boy 50 On

Classification

50
2.96–3.5 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
03/12/2003
Valid until
31/12/2017
Source
TG-Moto.txt

Emissions

Engine make
KYMCO
Engine type
SF10G
2-Takt / 1 / Monoblock
s · Continuously variable transmission (stepless)
C02
Exhaust code
AEAG
50
Homologation date
03/12/2003
Published source values

Shown exactly as published by the source and preserved for traceability.

K ·
2/2
4.02
6500
ET-CO
0.57
ET-NMHC
0
ET-NOx
0
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
0
ET-THC+NOx
0.58
65
0
255
GeräuschCode
GCBB
0
0
12.48
0
6750
ScCo2
0
ScConsumption
0
ScNh3
0
ScNo2
0
75
3375
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

EU whole-vehicle approval
e4*92/61-2000/7*0103
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
Max speed mechanical (km/h)
45
Hand brake, line 1
hydr., Scheibe gelocht, auf VR
Hand brake, line 2
mech., Trommel, auf HR

Engine

Engine make
KYMCO
Engine type
SF10G
Design type
2-Takt / 1 / Monoblock
Power (kW)
2.96
Power at (rpm)
6750
Max torque (Nm)
4.02
Max torque at (rpm)
6500
Exhaust gas treatment
2/im HS integriert
Muffler 1 (type)
HS ·
Muffler 1 (designation)
1/KEB7II
Engine code
SF10G
Engine code location
rechts, seitlich am Motorgehäuse

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
Additional fields (all source data)

Shown exactly as published by the source and preserved for traceability.

e4*92/61-2000/7*0103
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
0
0
0
45
hydr., Scheibe gelocht, auf VR
mech., Trommel, auf HR
KYMCO
SF10G
2-Takt / 1 / Monoblock
2.96
6750
6500
4.02
2/im HS integriert
HS ·
1/KEB7II
SF10G
rechts, seitlich am Motorgehäuse
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; 3.00x12
h= 130/70-12 59J; 3.50x12