(Redirected from M01)
The most common Franco Morini engines used on mopeds. All information is for Factory Stock engines unless otherwise noted.
See Morini Engine Parts for replacement parts information.
Service Manuals for the MO1, MO2 and M1 can be found here: Service Manuals
MO1
Manufacture Years: 1976-79
- Displacement: 49.6 CC
- Compression Ratio: 8:1
- Compression: 110 lbs. (70 lbs. min.)
- Intake: Piston port
- Cooling: Air Cooled
- Bore: 40.4 mm
- Stroke: 39.0 mm
- Ignition: Magneto 6V 23W
- Flywheel: Counter Clockwise
- Point Gap: .014-.018 (.35mm-.45mm)
- Ignition Timing: 23° BTDC
- Spark Plug: NGK BP6ES / Bosch W175T30 / Champion N9Y
- Ignition Coil: Frame Mounted
- Transmission: Single speed automatic
- Transmission Oil Capacity: 12oz 20W Non-Detergent
- Clutch: Single Centrifugal
Gear Ratio
- Transmission (Primary): Z.52/22 = 1:2.36
- Internal Gears: Z.26/10 = 1:2.6
- Overall Gear Ratio: 1:6.145
MO2
Manufacture Years: 1977-80
- Displacement: 49.6 CC
- Compression Ratio: 8:1
- Compression: 110 lbs. (70 lbs. min.)
- Intake: Piston port
- Cooling: Air Cooled
- Bore: 40.4 mm
- Stroke: 39.0 mm
- Ignition: Magneto 6V 23W
- Point Gap: .014-.018 (.35mm-.45mm)
- Ignition Timing: 23° BTDC
- Spark Plug: NGK BP6ES / Bosch W175T30 / Champion N9Y
- Ignition Coil: Frame Mounted
- Transmission: Dual Speed Automatic
- Transmission Oil Capacity: 1 Pint 20W Non-Detergent
- Clutch: Dual Centrifugal
Gear Ratio
- Transmission (Primary) - 1st Gear: Z.15/59 = 1:3.933 / - 2nd Gear: Z.22/52 = 1:2.36
- Internal Gears: Z.26/10 = 1:2.6
- Overall Gear Ratio: 1:6.145
M1
Manufacture Years: 1979-85?
- Displacement: 49.6 CC
- Compression Ratio: 8:1
- Compression: 110 lbs. (70 lbs. min.)
- Intake: Case Inducted Reed Valve
- Cooling: Air Cooled
- Bore: 40.4 mm
- Stroke: 39.0 mm
- Ignition: Magneto 6V 23W
- Flywheel: Counter Clockwise
- Point Gap: .014-.018 (.35mm-.45mm)
- Ignition Timing: 23° BTDC
- Spark Plug: NGK BP6ES / Bosch W175T30 / Champion N9Y
- Ignition Coil: Frame Mounted
- Transmission: Single speed automatic
- Transmission Oil Capacity: 12oz 20W Non-Detergent
- Clutch: Single Centrifugal
This information under review.
Gear Ratio
- Transmission (Primary): Z.52/22 = 1:2.36 (From the repair Manual) - Z.67/19
- Internal Gears: Z.27/10 = 1:2.6
- Overall Gear Ratio: 1:6.145
M101
Manufacture Years: 1981-85?
- Bore: 40.4mm
- Stroke: 39.0mm
- Capacity: 49.9 cm3
- Compression: 9:1
- Spark Plug: BP6ES / Bosch W175T30 / Champion N10Y
- Timing: 1.5mm BTDC
- Point gap: 0.30 mm to 0.40mm
- Transmission: Automatic varatior (Dual Variated)
- Transmission ration: 15.96 to 10.03
- Ignition: Clockwise CEV Points Magneto 6V 23W
- Transmission Fluid: 300 cm3 SAE 10W40 Motor Oil.