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Trekker - Squab
TECHNICAL DATAS
Frame
ENGINE MARKING
XXXXXXXX
FB2
Number
Type
Main spécifications
2
IDENTIFICATION MARK
Identification
plate
FB2 ENGINE
Forced-air cooled 2 stroke engine :
- Bore and stroke : ................................................ 40 x 39.1
- Cylinder capacity : ............................................. 49.13cm3
- Compression ratio : ................................................... 6.6:1
- Maximum power (ISO) : ..........................................3.1 kw
Distribution :
- Exhaust port : ...........................................................160c°
- Scavenging port : ....................................................... 110°
- Air intake : ..................................... by reed valve induction
- Ignition :....................... CDI (capacitive-discharge ignition)
- Spark advance : ....................................... 13° before TDC
- Spark plug ...................................................Resistive 5KÙ
..................................................................... NGK - BR7HS
.................................................................. EYQUEM R 850
................................................................. BOSCH WR4AC
- spark plug gap :..................................................... 0.6mm
Carburettor :.......................................... GURTNER PA350
- Idling speed : .................................... 1800 rpm ± 1 00 rpm
- Initial position of the pilot air adjusting screw :
- Anticlockwise rotation : ..................................... 1/2 to 13/4
- Needle with 3 levels :.................................. clips at the top
- Main jet :........................................................................ 74
Flywheel magneto :
- Number of poles : ............................................................ 6
- Power : .......................................................... 2500t = 55w
........................................................................ 5000t = 85w
Starter.motor : .................................................... MITSUBA
................................................................ 2000w SM10 129
................................................................. 1500w SM10254
Oil pump : .............................................................. MIKUNI
flow 24cm3 ± 1.7cm3 / hour at 3800 rpm, wide open
throttle. 1CM3 = 0.031 cubic inch
Transmission
- Clutch : .................................... centrifugai, automatic type
- Primary réduction gear : ........................ by a ribbed V-beit
- Life of belt :...................................................... 1 0 000 km
- Reducer equipped with 2 gearsets.
Identification : VGAS1A . . . . . . . . . . .
- Front tyre : ...................................................... 120/90 x 10
- Rear tyre : ...................................................... 130/90 x 10
Pressure :
- Front :.................................................................... 1,3 bar
- Rear : .................................................................... 1,6 bar
Capacities
- Fuel tank : .............................................................. 6 litres
- Oil tank : .............................................................. 1.3 litres
- Transmission case : ............................................ 0.12 litre
- Under-seat storage compartment : .............................3 kg
Dimensions
- Overall length : ....................................................1760mm
- Overail width :........................................................670mm
Excluding rear view mirror :
Overall height : ...................................................... 1110mm
Excluding rear view mirror :
Wheelbase : ..........................................................1250mm
Weight
- Complete vehicle dry weight : .................................... 82kg
- Vehicie weight with tanks full : ................................... 88kg
Markings 49cc
- Left hand casing (under the starter motor)
- Cylinder head (front right)
- Cylinder (exhaust flange left hand side)
- Intake pipe (on the front «49»)