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Malossi cylinder kit diameter 52 in aluminum Testa Rossa modular head
Malossi code: 3115374
Malossi cylinder kit for APRILIA APRILIA AREA 51 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA GULLIVER 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA RALLY 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SONIC 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR NETSCAPER 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR RACING 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR REPLICA 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR STEALTH 50 2T LC (MINARELLI): Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI 491 SPORT 50 2T LC (MINARELLI): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI K2 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA ARK 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA EIKON 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for GARELLI GARELLI GSP 50 2T LC euro 2 (1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for ITALJET ITALJET DRAGSTER 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12 R LC 50 2T LC euro 2: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12-PHANTOM 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F15 FIREFOX 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MBK MBK MACH G 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diametro 52 Big Bore.
Malossi cylinder kit for MBK MBK NITRO 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for OVER OVER THOR 50 2T LC 2013 (LJ1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 0-1: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA JOGRR 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit diameter 52 in aluminum Testa Rossa modular head
Malossi code: 3115374
Malossi cylinder kit for APRILIA APRILIA AREA 51 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA GULLIVER 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA RALLY 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SONIC 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR NETSCAPER 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR RACING 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR REPLICA 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR STEALTH 50 2T LC (MINARELLI): Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI 491 SPORT 50 2T LC (MINARELLI): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI K2 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA ARK 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA EIKON 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for GARELLI GARELLI GSP 50 2T LC euro 2 (1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for ITALJET ITALJET DRAGSTER 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12 R LC 50 2T LC euro 2: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12-PHANTOM 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F15 FIREFOX 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MBK MBK MACH G 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diametro 52 Big Bore.
Malossi cylinder kit for MBK MBK NITRO 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for OVER OVER THOR 50 2T LC 2013 (LJ1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 0-1: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA JOGRR 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Reference: 01.SD.0410.L
Brand: Ohvale
Ohvale Crank case RH 4 speed Code: 01.SD.0410.L
Reference: 31 8249
Brand: Malossi
Malossi MHR Cylinder Diameter 47.6 in Aluminum Malossi Code: 31 8249
Reference: 203.0016
Brand: POLINI
Vespa 50cc 2t 16mm air filter box. Polini code: 203.0016Compatible with: VESPA 50 2T SPECIAL - VESPA 50 2T PK - VESPA 50 2T XL
Reference: 200.2054
Brand: POLINI
Polini muffler for Vespa 125 cc 2t PK 200.2054. For models with battery, the use of the bracket code 214.0138 is recommended, which allows you to keep the support in a higher position. Polini's commitment to the timeless Vespa continues with the launch of the brand new Original muffler. Created with the aim of improving performance and at the same time...
Reference: 01.SE.0201.L
Brand: Ohvale
Ohvale plastic petrol tank for Gp-0 and Gp-2. Ohvale Code: 01.SE.0201.L Ohvale GP-0 and GP-2 plastic fuel tank for all models in all displacements. The Ohvale tank kit includes the fuel tap.
Reference: EK520H 110
Brand: EK (Enuma Chain)
Motorcycle chain EK520H 110 links size 520. Ek chain code: EK520H 110
Reference: 4917546
Brand: Malossi
Complete Rc-One 94cc Malossi 4917546 engine for Yamaha engine Malossi code: 4917546 Complete Rc-One 94cc engine. Engine not assembled. For Yamaha engine.
Reference: 950.830.042
Brand: POLINI
Hi-speed Polini for Olieds move Plus / Sport e-bikes Code 950.830.042 Hi-Speed E-Bike Polini for: Olieds, move plus, sport Polini Hi-Speed is an electronic device designed for e-bike engines in order to increase active assistance by fully exploiting the performance that the engine can offer. Attention: for e-bikes equipped with lights powered by the main...
Reference: 112.409.15
Brand: GRC
Special screw for mechanical caliper pads support (10 pieces)
Reference: 215.0194
Brand: POLINI
Polini intake manifold diameter 12 mm Polini intake manifold for: Aprilia, Aprilia ET 50, Aprilia Europa 50, Aprilia Futura 50, Aprilia Red rose 50, Aprilia Replica 50, Aprilia RX 50, Aprilia Tuareg rally 50, Aprilia Tuareg Wind 50, Aprilia AF1 50 Futura, Atala, Atala Master 50, Atala Hydro, Franco Morini, Franco Morini GS.A 50, Franco Morini TA 50,...
Reference: GHR 012.001
Brand: GHR
Ghr fitting for water pipe, compatible with head, cards, cylinder.
Reference: 143.070.001
Brand: POLINI
Polini 4.2 hp minimoto crankcases. Polini code: 143.070.001
Reference: 6118942B
Brand: Malossi
Malossi mobile half-pulley for MULTIVAR MHR variator Malossi code: 6118942B
Reference: 243.060
Brand: POLINI
Polini contrast spring for Suzuki Code: 243.060 Application: Atala, Atala Byte 50 AT10, Atala Hacker 50 LC / 50 AT12 Racing, Italjet, Italjet Cruise 50, Italjet Formula 50/50 LC, Italjet Torpedo 50 mot. F. Morini, Italjet Velocifero 50, Malaguti, Malaguti Crosser 50 CR1 mot. F.Morini, Suzuki, Suzuki Address 50, Suzuki AJ 50 ZZ Sepia, Suzuki AP 50, Suzuki...
Reference: GP415RRX 130
Brand: EK (Enuma Chain)
Moto 3 chain EK GP415RRX 130 gold links. Chain for moto3 pitch 415 long 130 links, compatible with moto 3. Cutting-edge technology: EK's zero-stretch technology eliminates chain stretch during the first 1000km of use. ZST eliminates the problem of continuous chain adjustments. Zero stretch technology is used on all chains of the ZZZ, RXO and RXO / GP...
Reference: 1113208
Brand: Malossi
Complete Malossi gasket kit for thermal unit diameter 40 - 47.6 H2O Malossi code: 1113208 Malossi gasket for PEUGEOT JET FORCE C-TECH 50 2T LC spare part for thermal units 3112890 - 3112898. Malossi gasket for PEUGEOT LUDIX BLASTER 50 2T LC (HL 2) spare part for thermal units 3112890 - 3112898. Malossi gasket for PEUGEOT SPEEDFIGHT 3 50 2T LC spare part...
Malossi cylinder kit diameter 52 in aluminum Testa Rossa modular head
Malossi code: 3115374
Malossi cylinder kit for APRILIA APRILIA AREA 51 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA GULLIVER 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA RALLY 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SONIC 50 2T LC: Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR NETSCAPER 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR RACING 50 2T LC (MINARELLI): Work on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR REPLICA 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for APRILIA APRILIA SR STEALTH 50 2T LC (MINARELLI): Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI 491 SPORT 50 2T LC (MINARELLI): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BENELLI BENELLI K2 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA ARK 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for BETA BETA EIKON 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for GARELLI GARELLI GSP 50 2T LC euro 2 (1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for ITALJET ITALJET DRAGSTER 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12 R LC 50 2T LC euro 2: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F12-PHANTOM 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi thermal unit for MALAGUTI MALAGUTI F15 FIREFOX 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for MBK MBK MACH G 50 2T LC: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diametro 52 Big Bore.
Malossi cylinder kit for MBK MBK NITRO 50 2T LC: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for OVER OVER THOR 50 2T LC 2013 (LJ1PE40MB): Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and Malossi muffler 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 0-1: Work on the engine crankcase: boring and re-connecting. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA AEROX 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.
Malossi cylinder kit for YAMAHA YAMAHA JOGRR 50 2T LC euro 2: Interventions on the engine crankcase: boring and connection. To be combined exclusively with crankshaft 5317827 and exhaust Malossi 3216827 scooter racing MHR diameter 52 Big Bore.