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MF19.16647/PACK

MotoForce

Tuning Kit Cylinder + Crankshaft Motoforce Minarelli horizontal LC


 Delivery from German Warehouse - Pirmdien

Available to order

120.40€ 122.90€

Motoforce engine kit Yamaha Aerox: 50cc cylinder + crankshaft

With this kit, you can fully rebuild your Minarelli horizontal LC engine (Yamaha Aerox, MBK Nitro, Malaguti F10/F12 etc.). It includes the main components – cylinder and crankshaft – which are perfectly matched for easy installation, no modifications required. The ideal solution to restore full performance to your liquid-cooled 50cc Minarelli horizontal engine – reliable, precise, and built to original factory specifications.

The main advantage of this kit is that all parts are carefully matched to work together smoothly. All necessary gaskets, seals, and bearings are included for a complete, hassle-free installation.

contents OEM style engine pack:

  • 50cc cylinder kit with pistons and accessories
  • OEM quality cylinder head
  • OEM quality crankshaft
  • Cylinder gasket set
  • Bearings and seals

50cc cylinder MotoForce aerox

The 50cc MotoForce cylinder matches the original Minarelli horizontal LC engine in all technical details. Made of cast iron, it features the same number of transfers and identical exhaust port design. The 2-ring piston with 10mm wrist pin and circlips is included and ready for direct installation.

- Bore: 40mm
- Material: cast iron
- Pin: 10mm
- Included: Piston, rings, pin and circlips

OEM style cylinder head Minarelli horizontal LC

This cylinder head is a high-quality, cost-effective alternative to the original. It meets all technical requirements for reliable operation in 50cc engines. Its universal design is compatible with both original cylinders and aftermarket replicas, making it suitable for future upgrades or maintenance.

Crankshaft OEM Quality Yamaha / MBK

The included crankshaft exactly matches the dimensions and specifications of the original. It provides the same pre-compression and running dynamics as the stock crank. A robust and economical solution for replacing a worn or damaged crankshaft, maintaining the original measurements, balance and tolerances. Includes HQ small end bearing 10x14x13mm.

Crankshaft bearings and oil seals

The kit includes reinforced, high-quality bearings designed for long life and smooth operation. Supplied as matched pairs with the corresponding seals to ensure perfect sealing and a quiet, reliable engine.

Technical details
Article no.
MF19.16647/PACK
Bore
42 mm
Brand
MotoForce
Conrod Length
Standard
Cylinder material
Cast Iron
Displacement
50cc
Piston Pin
10 mm
Product type
Engine pack
Spark plug thread
M14 short
Stroke
Original
Tuning Level
Original
Weight
4,09 kg
Vehicle
Adly (Her Chee)
AirTech 50cc LC;
Aprilia
Area 51 LC;Gulliver 50cc LC;Rally 50cc LC;Sonic 50cc LC;SR 50cc LC (1994 - 1997) - Minarelli horiz.;SR 50cc Netscaper LC - Minarelli horiz.;SR 50cc Racing LC (before 2000) Minarelli;SR 50cc Stealth LC - Minarelli horiz.;
Benelli
491 50cc RR LC (before 2003) - Minarelli horiz.;491 50cc RR Replica LC (before 2003) - Minarelli horiz.;491 50cc Sport LC (before 2003) - Minarelli horiz.;491 50cc ST LC (before 2003) - Minarelli horiz.;K2 50cc LC - Minarelli horiz.;
Beta
Ark 50cc LC - Minarelli horiz.;Eikon 50cc LC - Minarelli horiz.;Ycon;
CPI
GTR 50cc LC - Minarelli horiz.;
Garelli
GSP 50cc LC;
Italjet
Dragster 50cc LC;
Kreidler
Galactica 3.0 50cc LC;
KTM
Ark 50cc LC;
Longjia
Speedjet 50 LC 2-stroke;
Malaguti
F12 Phantom 50cc LC;F12 Phantom 50cc LC (after 2004);F12 Phantom R 50cc LC;F15 Firefox 50cc LC;F15 Firefox 50cc LC (after 2004);
MBK
MachG 50cc CAT LC (after 2003);MachG 50cc LC (before 2003);Nitro 50cc CAT LC (after 2003);Nitro 50cc LC (after 1999);Nitro 50cc LC (after 2013);Nitro 50cc LC (before 1999);Nitro Naked 50cc LC;Nitro Naked 50cc LC (after 2013);
Motowell
Crogen RS 50cc LC 2-stroke;Magnet RS 50cc LC 2-stroke;
None
None
Sachs
Speedjet RS 50cc LC;
Yamaha
Aerox 50cc LC (after 1999);Aerox 50cc LC (before 1999);Aerox 50cc LC CAT (after 2003);Aerox Naked 50cc LC (after 2013) ;Aerox Naked 50cc LC CAT (after 2003);Aerox R 50cc LC (after 2013);Jog RR 50cc LC (before 2003);Jog RR 50cc LC CAT (after 2003);




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