Racing Cylinder MALOSSI MHR Big Bore 86 cc

for GILERA/
IAGGIO 50ccm 2T LC
aluminium

50,0mm
stroke 44mm
1 piston ring(s)
pin 13mm
with cylinder head

TUNING RACE – for professionals

For race use only. Not admitted in the area of the German StVZO!
This item can not be delivered to the country of your choice. Product description
BIG BORE
50
The new
BIG BORE

50, stroke 39,2-39,3 and 44, cylinder kits comes from the technology of the famous Malossi 7 ports cylinders. They are designed for both Minarelli and Piaggio engines.
All pilots, thrilled about the news, wished to test them. The expectations were not disappointed : the power increase and the absolute reliability proved, once again, the high quality of the products and Malossi professionalism.
Technical specifications:
– 7 ports cylinder, H2O, gravity melted in aluminium alloy, cylinder casing coated in cermetal, lapped with diamond tools
– Bore 50
– 1 ring, strengthen and rounded head piston
– KDN5 cast iron piston ring
50 x 0.8
– Modular head in primary aluminium alloy, drained, with calculated and orientated convoying system of cooling circuit.
Technical note
: the BIG BORE cylinder kits must be used only coupled with Malossi crankshafts.
ATTENTION:
to grant the due stiffness to the cylinder kit, the cylinder has an introduction diameter into the crankcase of 56,2 -0,1/-0,2 mm. Therefore, it is necessary to bore the crankcases with a boring bar of 56,7 + 0,0/0,1 mm for a depth of 21 mm.
OEM numbers (for comparisons):
3113042 (MALOSSI)
EAN Number:
4260088516664