Morini Engine Parts

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Listing of parts available to repair or upgrade Franco Morini Engines.

See Morini Moped Engines for engine spec information.

Service Manuals for the MO1, MO2 and M1 can be found here: Service Manuals

Stock Parts

List of parts for repairing and rebuilding stock engines.

BOTTOM END

  • MO1/M1 Bearings: 2 each - 6202, 2 each - 6203
  • MO1/M1 Seals:
    • Crank - 17 x 35 x 8 Two of these
    • Pedal shaft - 16 x 24 x 5 two of these
    • Output shaft - 15 x 24 x 5 one of these
  • M01/M02 cases are identical from the center split of the cases to the flywheel side. In fact, this can lead to confusion. Engine identification stamps are on the flywheel side center case. It is possible to have an M02 engine stamped M01, due to an apparent excess of M01 stamped cases being used for both applications during original assembly.
  • M01/M1 engines can use the same crank. There are two verisons of the crank for these engines, Bush Bearing and Needle Bearing. The M02 engine does not use the same crank, however the stroke is the same. The M02 crank is longer on the clutch side to allow for an extra set of clutch and gears.
  • M101 Belt Sizes:
    • 13x7x444 European
    • 13x8.2x451 Treats
    • 0.50x0.30x17.5 USA

Cogged/Notched

TOP END

  • MO1/M1 Cylinder Studs: M6 x 1.0 x 110mm. These need to be a minimum of a class 10.9 to hold up to the torque spec (11 ft/lbs). Studs made for Puch engines will not hold up to this torque
  • Exhaust Studs: M5 x 33mm

ELECTRICAL

  • Spark Plug: NGK BP6ES / Bosch W175T30 / Champion N9Y

Crossover Parts

List of parts available for other moped engines that are compatible with Morini engines.

BOTTOM END

  • Minarelli Clutch Plates are compatible with Morini MO1/M1 Engines.

TOP END

ELECTRICAL

Upgrade Parts

List of parts available to upgrade, modify or kit Morini engines.

BOTTOM END

TOP END

ELECTRICAL