Malossi 3118679 MHR TESTA ROSSA Cylinder Kit Ø 52 mm
Malossi 3118679 MHR TESTA ROSSA Cylinder Kit Ø 52 mm
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The Malossi MHR 100 Testa Rossa Flanged Mount is an aluminum thermal unit engineered for high-performance liquid-cooled racing scooters, delivering over 32 HP at 14,000 RPM. Built with a closed-deck structure and external through-studs, this 100cc cylinder utilizes 7-port technology and optimized transfer geometry to maximize fluid dynamics and total power delivery.
Featuring a redesigned modular head designed to safeguard the nickel-coated combustion chamber, this cylinder kit significantly reduces friction, vibration, and mechanical loads on the piston and bearings. It requires pairing with a 47 mm stroke crankshaft featuring a 100 mm connecting rod and an engine case bored to match the transfer ports and flanged mount design.
Key Features
| Cooling | Liquid-Cooled (H2O) |
| Porting | 7 Transfer Ports |
| Material | Aluminum |
| Bore | 52 mm |
| Stroke | 47 mm |
| Displacement | 100 cc |
| Brand | Malossi |
| Product Type | Cylinder Kit |
Highlights
- Delivers over 32 HP at 14,000 RPM for professional competition
- Advanced 7-port transfer architecture with external flanged stud mount design
- Close deck aluminum cylinder structure with modular combustion head
- Engineered for 52 mm bore and 47 mm stroke (100 cc displacement)
Compatibility
| Manufacturer | Model |
|---|---|
| APRILIA | APRILIA SR (carb.) 50 2T LC 2004-> (PIAGGIO) |
| APRILIA | APRILIA SR R 50 2T LC euro 4 2018-> (PIAGGIO CA81M) |
| APRILIA | APRILIA SR R (carb.) 50 2T LC (PIAGGIO) |
| APRILIA | APRILIA SR Street 50 2T LC euro 2 |
| DERBI | DERBI GP1 50 2T LC |
| DERBI | DERBI GP1 OPEN 50 2T LC |
| DERBI | DERBI GP1 REVOLUTION 50 2T LC |
| GILERA | GILERA RUNNER SP 50 2T LC <-2005 |
| GILERA | GILERA RUNNER SP 50 2T LC 2006-> (C451M) |
| GILERA | GILERA RUNNER 50 2T LC |
| PIAGGIO | PIAGGIO NRG Power 50 2T LC euro 4 2018->2020 (CA71M) |
| PIAGGIO | PIAGGIO NRG EXTREME 50 2T LC |
| PIAGGIO | PIAGGIO NRG MC2 50 2T LC <-1997 |
| PIAGGIO | PIAGGIO NRG MC2 50 2T LC 1998-> |
| PIAGGIO | PIAGGIO NRG 50 2T LC |
| PIAGGIO | PIAGGIO NRG MC3 DD 50 2T LC |
| PIAGGIO | PIAGGIO NTT 50 2T LC |
| PIAGGIO | PIAGGIO NRG Power DD 50 2T LC |
| PIAGGIO | PIAGGIO QUARTZ 50 2T LC |
| PIAGGIO | PIAGGIO ZIP SP 50 2T LC 2001-> |
| PIAGGIO | PIAGGIO ZIP SP 50 2T LC <-2000 |
What's included
| SKU | Name |
|---|---|
| 1118718b | Complete cylinder gasket set Ø 52 for original cylinder head |
| 1516211 | H2O M18x1 connection kit |
| 1519093 | Jointing piece kit |
| 1916185 | CYLINDER BOLT KIT |
| 1919459 | Stud and nut kit |
| 2318757 | Pin Ø 14,0x9,5x46 for piston |
| 3119945 | Aluminium cylinder Ø 52 MHR 100 FLANGED MOUNT for modular-head |
| 3419946.00 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size 00 |
| 3419946.aa | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size AA |
| 3419946.bb | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size BB |
| 3419946.cc | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size CC |
| 3420218 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size 0 |
| 3420218.00 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size 00 |
| 3420218.a0 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size A |
| 3420218.aa | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size AA |
| 3420218.b0 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size B |
| 3420218.bb | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size BB |
| 3420218.c0 | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size C |
| 3420218.cc | Piston 2T Ø 52 with pin Ø 14 and 1 rectangular ring size CC |
| 3516845b | Piston ring Ø 52x0,8 rectangular KDN5 |
| 3611263 | C- piston pin clip Ø 14x1 |
| 3815352b | Cover for Testa Rossa |
| 3818951b | Aluminium modular cylinder-head Ø 52 |
| 6618985b | Roller bearing Ø 14x18x16,7 |
Downloads
Frequently asked questions
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