ROTAX MOJO MAX Challenge Technical Regulations ... - The FMSCI

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Cylinder 5.1 5.2 5.3 5.4 5.5 Light-alloy-cylinder with GILNISIL-plating. Any re-plating of cylinder is not allowed. Cylinder with one main exhaust port and two side exhaust ports. Maximum bore of cylinder = 54,035 mm (measured 10 mm above the exhaust port). Cylinder has to be marked with the "ROTAX" logo (see picture below). Cylinder with pneumatic timed exhaust valve. Cylinder has to be marked with the identification code 613 930, 613 931. or 613 933 Page 32 of 51 RMC/RMCGF Technical Regulations 2012 Edition: 27.02.2012 / Bull. 1
5.6 Height of cylinder has to be 86,7 mm -0,05/+0,1 mm. 5.7.1 All transfer ports and passages have cast finish surface except some removal (done by the manufacturer) of cast burr at the inlet passage and exhaust port and passages. All ports have chamfered edges to prevent ring snagging. Any additional machining is not permitted. The top edge of exhaust port may show some preexisting machining from the manufacturer. The sealing flange for the exhaust socket may show signs of machining from the manufacturer. TYPICAL Page 33 of 51 RMC/RMCGF Technical Regulations 2012 Edition: 27.02.2012 / Bull. 1
Page 1 and 2: APPROVED ROTAX MOJO MAX Challenge T
Page 3 and 4: 125 MAXDD2 Masters Dry (slick) tire
Page 5 and 6: It is not allowed to pass the end o
Page 7 and 8: 9.1 Technical Specification (within
Page 9 and 10: Cylinder 5.1 5.2 5.3 5.4 5.5.1 Ligh
Page 11 and 12: 5.7.3 The sealing flange for the ex
Page 13 and 14: 5.9 Exhaust valve (125 MAX only) If
Page 15 and 16: 9.2 Technical Specification (outsid
Page 17 and 18: 11.7 The pick up must be marked wit
Page 19 and 20: Centrifugal clutch 13.1 Dry centrif
Page 21 and 22: 13.3.2 Outer diameter of clutch dru
Page 23 and 24: Intake silencer 14.1 Intake silence
Page 25 and 26: 15.13 Optional carburetor plug scre
Page 27 and 28: Version 2 Version 3 Radiator coolan
Page 29 and 30: 20.10 Additional to the standard is
Page 31: Piston with ring assy. 3.1 3.2 Orig
Page 35 and 36: 5.7.4 The top edge of the exhaust p
Page 37 and 38: 5.9 If the piston is moved in direc
Page 39 and 40: 9.4 Technical Specification (outsid
Page 41 and 42: Exhaust valve 11.1 11.2 11.3 As sup
Page 43 and 44: 13.3 13.3.1 Steel clutch and clutch
Page 45 and 46: Drive gear Driven gear 32 65 33 64
Page 47 and 48: Carburetor 17.1 17.2 17.3 17.4 17.5
Page 49 and 50: Radiator 20.1 20.2 20.3 20.4 20.5 2
Page 51: 22.7 22.8 22.9 The original exhaust

ROTAX MOJO MAX Challenge Technical Regulations ... - The FMSCI

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