ALUMINIJ-CILINDER KIT Ø 52 H2O MHR BIG BORE Testa Rossa mod-head

540,34 € 443,08 € 363,18 €
DOBAVLJIVO
SKU
3116992
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BIG BORE Testa Rossa 90 cc

The new generation BIG BORE engine. Stud bolts, only for liquid-cooled scooters (7 ports and exhaut crossbar - piston with 1 segment - modular head - required boring of original case or C-One Malossi case - engine shaft with connecting rod different from the original).

Deriving directly from seven port technology, which animates the revolutionary Flanged Mount, BIG BORE Testa Rossa cylinders represent the latest success achieved thanks to the efforts and studies that Malossi has continued to devote to engines intended for original Piaggio and Yamaha cases and, with their unprecedented capacity of 94 cc, they allow the BIG BORE family to make a significant leap forward.

Externally almost indistinguishable from their flanged counterparts, BIG BORE Testa Rossa cylinders feature a stud bolt framework compatible both with original engines and with the C-One Malossi case. Even inside they are totally similar to Flanged Mounts, thanks to the renowned configuration with seven ports and dual exhaust port, with the only difference given by the limits set by the inner passage of the bolts that affects the size and development of the exhaust.

The head is once again modular, with new internal profiles specifically designed to increase the torque and feeling of the engine, now much brighter and even more progressive. The head cover is made of forged aluminium, red anodized and lathed in high precision CNC machines.

 

Technical features

CYLINDER KI

COOLING

TIMING SYSTEM

MATERIAL

BORE mm

STROKE mm

CAPACITY mm

ADVANCE

PISTON RING CLEARANCE mm

SQUISH

COMPRESSION RATIO

SPARK PLUG

3116992

H2O

7 ports

Aluminium

52 42,3

89,93

16°

0,15

0,55

01:14.6

IRIDIUM IW 34

 

Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use

SKU Naziv
1115380Bcompl. cyl.kit gasket set ø 52 (mult-thick.- o-ring) (big bore)
1116138exhaust connection gasket set
1516188exhaust connection kit for h2o cylinder kit
1516211h2o m18x1 connection kit
1916190cylinder bolt kit
1916348stud and nut kit for modular head ø 52
2313049pin ø 13x08.5x41 for piston
34164482t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size 0
3416448.002t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size 00
3416448.A02t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size a
3416448.AA2t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size aa
3416448.B02t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size b
3416448.BB2t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size bb
3416448.C02t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size c
3416448.CC2t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size cc
3416448.D02t ø 52 piston size 0 with pin ø 13 and 1 rectangular ring size d
3515373Bpiston ring ø 52x0.8 rectangular cast iron kdn5 chrome-plated
3611632c- piston pin clip ø 13x1
3815352Bcover for testa rossa
3815369Bcylinder head ø 52 modular aluminium
6615509Broller bearing ø 13x17x17,7