Model Identification:
January 1980 MB50SA Introduced
September 1982 MB50SA Discontinued
In the UK the MB5 was available in three colours. Black was the most popular chioce, followed by red. White was a poor selling colour and as a result it is now a rare bike.
In mainland Europe blue was also offered.
Engine Data: (Restricted UK Specification)
Type: Air Cooled, Single Cylinder, 2 Stroke
Bore & Stoke: 39mm x 41.4mm
Displacement: 49cc
Compression Ratio: 6.4:1
Lubrication System: Honda 2 stroke oil injection system
Oil capacity:
Transmission 1.76 pints
Engine 1.94 pints
Starting System: Primary Kick
Maximum horsepower: 2.55 PS / 6000 rpm (DIN)
Maximum Torque: 0.41 kg-m / 4500
Frame:
Type: Cross Line Backbone Design
Front Suspension: Telescopic (travel 4.9inch)
Rear Suspension: Swing Arm 3.5 inch
Front Tyre: 2.50 x 18 - 4PR
Rear Tyre 2.50 x 18 - 6PR
Front Brake: Disc
Rear Brake: Internal Expanding Shoe
Trail Lengh: 2.8 inch
Caster Angle: 65 Degrees
Transmission:
Type: 5-speed Constant mesh
Clutch: Wet multi-plate
Primary reduction: 4.117
Gear Ratios 1st: 3.083
2nd: 1.882
3rd: 1.400
4th: 1.130
5th: 0.960
Final reduction: 3.750
Drive Sprocket: 12T
Driven Sprocket 45T
Electrical System:
Ignition: Fully Transistorised
Alternator: 0.049kw/5000rpm
Battery Capacity: 6V-4AH
Headlight low/high: 25/25 watt
Tail/Stoplight: 5/21 watt
Indicator Light: 18watt
Dimensions:
Overall length: 74.0in
Overall Width: 25.8in
Overall Height: 45.7in
Wheelbase: 48.2in
Seat Height: 29.5in
Ground clearance: 6.3in
Fuel capacity inc. reserve: 2.42 imp gals
Dry Weight: 179lb
Curb Weight: 198lb
Colours Available:
Red, White or Black