Product code: -

DESCRIPTION:

70CC ENGINE UPGRADE KIT - DIAMETER 47ø

KIT CONSISTS OF:

- Cast iron cylinder ø47 - 70CC

- Piston Ø47mm

- Pin and retainers

- 2 Rings (Piston Rings)

- Seals

- NGK B9ES spark plug

- Solid shoulder crankshaft with chromed connecting rod and 12 pin roller cage

- Pair of SKF main bearings with oil seals

It is one of the kits most chosen by the public of enthusiasts, the 70 cm3 kit

The kit has a cast iron cylinder with a 47 mm bore, distribution with six transfer ports. 

The distribution diagram was developed to guarantee an excellent compromise between torque at low rpm and maximum power.

The piston, in aluminum alloy with high silicon content, 

is characterized by the presence of two segments, while the cylinder, 

it was made of cast iron to improve heat dissipation, 

The compression ratio has been revised for the use of unleaded petrol

COMPATIBILITY:

APRILIA: SR 50 2T R, FACTORY (Piaggio) LC - SR 50 2T R, FACTORY (Piaggio) LC E4

GILERA: DNA 50 - RUNNER 50, SP, REST

PIAGGIO: EXTREM LC - MC2 50 (1998) - NRG MC3 H2O - NRG, NTT, MC2 - NRG Power DD - QUARTZ - ZIP 50 2T SP H2O from 2001 - ZIP 50 2T SP H2O from 1996 to 2000