Racing Cylinder MALOSSI MHR Big Bore 77 cc

for GILERA/
IAGGIO 50ccm 2T LC
aluminium

50,0mm
stroke 39,3mm
1 piston ring(s)
pin 12mm
with cylinder head

TUNING RACE – for professionals
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):
3113030 (MALOSSI)
EAN Number:
4260088516640