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ALUM-CYL. KIT Ø 50 (STROKE 44 MM) H2O MHR BIG BORE

Product details



Attention:
sometimes the pictures might be different from the product which they refer to, as concerns some details
Part number : 3113039
familly : CYLINDER KITS and CYLINDERS
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exclusively for crankshaft 5313275 - crankcase modifications: boring and chamfering

VAT Incl.
441.00 €

BIG BORE Ø 50

The new BIG BORE Ø 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 Ø 50 x 0.8
- Modular head in primary aluminium alloy, drained, with calculated and orientated convoying system of cooling circuit.


Technical note : the above mentioned 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.

Spare parts

The product "ALUM-CYL. KIT Ø 50 (stroke 44 mm) H2O MHR BIG BORE" is composed of the following spare parts. If necessary you can order them separately.

Click a product name for more information (11 items)

Part number Product familly Price VAT Incl.
1113209 COMPL. CYL.KIT GASKET SET Ø 47,6-50 (MULT-THICK.- O-RING) (MINARELLI) GASKET SETS 10.64 €
1912447Q 4 STUDS M 7x106 for CARTER BOLTS and NUTS 13.92 €
2013291B BLEED HOLDER/ PLUG/ ROLLER BEARING KIT SETS N/A
2313049B PISTON PIN Ø 13x08,5x41 PISTON-PINS and HUBS 19.06 €
3113040 ALUM-CYL. Ø 50 (stroke 44 mm) H2O MHR BIG BORE CYLINDER KITS and CYLINDERS N/A
3413034 PISTON Ø 50 pin Ø 13 chro.rect.ring 1 PISTONS 77.50 €
3512750B PISTON RING Ø 50x0,8 rectangular ACC PISTON RINGS 18.72 €
3611632 C - PISTON PIN CLIP Ø 13x1 PISTON PIN CLIPS 0.29 €
38 9513 CYLINDER-HEAD COVER CYLINDER HEADS 64.70 €
3813284 ALUMINIUM MODULAR CYLINDER-HEAD Ø 50 CYLINDER HEADS 65.52 €
66 9675B ROLLER BEARING Ø 13x17x17,5 BEARINGS and ROLLERS 12.83 €

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