Por si a alguien le pudiera resultar útil, a continuación detallo el despiece completo del motor Rotax 123.
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0250260 | GASKET 0,3 MM | 1 |
| 1 | AP0250261 | GASKET 0.5 MM | 1 |
| 1 | AP0250262 | GASKET 0,8 MM | 1 |
| 2 | AP0223368 | CYLINDER RAVE | 1 |
| 3 | AP0253470 | VALVE ROD | 1 |
| 4 | AP0242211 | HEX. NUT M6 | 1 |
| 5 | AP0244211 | WASHER 6,4 | 1 |
| 6 | AP0827307 | WASHER 6,2/18/0,5 | 1 |
| 7 | AP0253372 | EXHAUST VALVE 54 MM | 1 |
| 8 | AP0253462 | VALVE ROD HOUSING | 1 |
| 9 | AP0831500 | O-RING 14-3 | 1 |
| 9 | AP0260120 | RUBBER WASHER 14/19/1,5 | 1 |
| 10 | AP0230810 | VALVE STEM SEAL | 1 |
| 11 | AP0250974 | GASKET 0,8 | 1 |
| 12 | AP0239050 | COMPRESSION SPRING 36,3 MM | 1 |
| 13 | AP0297740 | EXHAUST VALVE CABLE | 1 |
| 14 | AP0860460 | PROTECTION CAP | 1 |
| 15 | AP0845020 | SPRING WASHER B6 | 2 |
| 16 | AP0241930 | DIN 912 ALLEN SCREW M6X20 | 2 |
| 17 | AP0250311 | WASHER 8,4 | 4 |
| 18 | AP0942671 | HEX. NUT M8, TIGHTENING TORQUE 30 NM | 4 |
| 19 | AP0241241 | STUD M7X19/22 | 5 |
| 20 | AP0250160 | O-RING 64X2 | 1 |
| 21 | AP0223336 | COMBUSTION CHAMBER | 1 |
| 22 | AP0227571 | WASHER 7,4 | 5 |
| 23 | AP0242591 | HEX. NUT M7, TIGHTENING TORQUE 20 NM | 5 |
| 24 | AP0430782 | O-RING 23,3X2,4 | 1 |
| 25 | AP0223398 | CYLINDER HEAD COVER, LIGHT-GRAY | 1 |
| 26 | AP0222122 | THERMOSTAT 70 DEGREES | 1 |
| 27 | AP0222173 | THERMOSTAT HOLDER | 1 |
| 28 | AP0239950 | COMPRESSION SPRING | 1 |
| 29 | AP0222200 | THERMOSTAT RETAINING BRACKET | 1 |
| 30 | AP0240195 | TAPTITE-SCREW M4X8 | 2 |
| 31 | AP0250280 | O-RING 105X2,5 | 1 |
| 32 | AP0241930 | DIN 912 ALLEN SCREW M6X20 | 4 |
| 33 | AP0250520 | GASKET | 1 |
| 34 | AP0224387 | REED VALVE ASSY. | 1 |
| 35 | REED VALVE | 1 | |
| 36 | AP0224430 | REED PETAL | 1 |
| 37 | REED PEDAL STOP | 1 | |
| 38 | AP0945758 | LOCK WASHER A4 | 6 |
| 39 | AP0940235 | SLOTTED HEAD SCREW M4X8 | 6 |
| 40 | AP0267915 | CARBURETOR FLANGE 42,5 MM | 1 |
| 40 | AP0267917 | CARBURETOR FLANGE 35 MM | 1 |
| 41 | AP0267996 | CARBURETOR FLANGE (ENDURO) | 1 |
| 42 | AP0840861 | DIN 912 ALLEN SCREW M6X25 | 5 |
| 43 | AP0251850 | HOSE CLAMP 51 | 1 |
| 44 | AP0250270 | GASKET | 1 |
| 45 | AP0273882 | EXHAUST SOCKET ASSY. | 1 |
| 46 | AP0224067 | SPRING BRACKET | 2 |
| 47 | AP0240081 | DIN 912 ALLEN SCREW M8X25, TIGHTENING TORQUE 20 NM | 2 |
| 48 | AP0297431 | LOCTITE ANTI-SEIZE 10 GR | 1 |
| 49 | AP0899788 | LOCTITE 648 GREEN, 5 GR | 1 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0827265 | WASHER 12,5/21,5/2 | 1 |
| 2 | AP0227945 | THRUST WASHER 8,1/15/0,5 | 1 |
| 3 | AP0293690 | STARTER GEAR ASSY. | 1 |
| 4 | AP0294451 | MAGNETO GENERATOR WG ASSY. | 1 |
| 4 | AP0265965 | STATOR PLATE | 1 |
| 5 | AP0293377 | STATOR WG ASSY. | 1 |
| 6 | AP0927571 | WASHER 5,3 | 3 |
| 7 | AP0241591 | SLOTTED HEAD SCREW M5X30 | 3 |
| 8 | AP0293367 | MAGNETO FLYWHEEL ASSY. | 1 |
| 9 | AP0265987 | IGNITION COIL WG | 1 |
| 10 | AP0964180 | IGNITION CABLE 200 MM | 1 |
| 11 | AP0260434 | PROTECTION HOSE 140 MM | 1 |
| 12 | AP0866708 | SPARK PLUG CONNECTOR, BLACK | 1 |
| 13 | AP0297830 | SPARK PLUG 14 MM, NGK BR10EG | 1 |
| 14 | AP0945750 | LOCK WASHER A5 | 4 |
| 15 | AP0240150 | ALLEN SCREW M5X14 | 4 |
| 16 | AP0260840 | GROMMET | 1 |
| 17 | AP0945754 | LOCK WASHER A12 | 1 |
| 18 | AP0642051 | HEX. NUT M12X1, TIGHTENING TORQUE 70 NM | 1 |
| 19 | AP0210340 | ELECTRIC STARTER COVER | 1 |
| 20 | AP0244930 | PLATE WASHER 6,2/12,5/2,5 | 2 |
| 21 | AP0241930 | ALLEN SCREW M6X20, TIGHTENING TORQUE 4,5 NM | 2 |
| 22 | AP0211050 | IGNITION COVER, LIGHT-GRAY, LIGHT-GRAY | 1 |
| 23 | AP0840861 | ALLEN SCREW M6X25, TIGHTENING TORQUE 4,5 NM | 4 |
| 24 | AP0293685 | ELECTRIC STARTER ASSY. | 1 |
| 25 | AP0945751 | LOCK WASHER A6 | 1 |
| 26 | AP0241301 | HEX. SCREW M6X90, TIGHTENING TORQUE 8 NM | 2 |
| 27 | AP0897161 | MOLYKOTE 111, 100 GR. | 1 |
| 28 | AP0297386 | SILASTIC 732 RTV, 100 GR. | 1 |
| 29 | AP0899788 | LOCTITE 648 GREEN, 5 GR., HIGH STRENGTH BOND | 1 |
| 30 | AP0899785 | LOCTITE 221 VIOLET 10 CC., LOW STRENGTH BOND | 1 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0210920 | CLUTCH COVER (STRADA EXPORT) | 1 |
| 1 | AP0210925 | CLUTCH COVER (STRADA) | 1 |
| 2 | AP0232150 | BALL 12 MM | 3 |
| 3 | AP0259320 | RELEASE CAM | 1 |
| 4 | AP0241791 | ADJUSTMENT SCREW M8X16 | 1 |
| 5 | AP0942671 | HEX. NUT M8 | 1 |
| 6 | AP0227945 | THRUST WASHER 8,1/15/0,5 | 1 |
| 7 | AP0239905 | EAF SPRING | 1 |
| 8 | AP0841680 | TAPTITE SCREW M5X8 | 1 |
| 9 | AP0247860 | SHIFT SHAFT, FOR TYPE 123 SP | 1 |
| 10 | AP0250450 | OIL SEAL 12X28X7 | 1 |
| 11 | AP0232420 | NEEDLE PIN 4X19,8 | 1 |
| 12 | AP0250200 | GASKET | 1 |
| 13 | AP0241811 | DIN 912 ALLEN SCREW M6X35 | 11 |
| 14 | AP0237160 | DRIVE SHAFT | 1 |
| 15 | AP0430600 | O-RING 12X1,5 | 1 |
| 16 | AP0241070 | BANJO BOLT | 1 |
| 17 | AP0294730 | OIL PUMP ASSY. | 1 |
| 18 | AP0256400 | CLIP | 1 |
| 19 | AP0256410 | OIL LINE 350 MM | 1 |
| 20 | AP0951591 | CLAMP 7 | 1 |
| 21 | AP0256037 | IL LINE 850 MM | 1 |
| 22 | AP0260030 | GROMMET | 1 |
| 23 | AP0230400 | O-RING 18X1,5 | 3 |
| 24 | AP0840510 | DIN 912 ALLEN SCREW M5X16 | 2 |
| 25 | AP0241800 | PLUG SCREW M18X1,5 | 3 |
| 26 | AP0240820 | OIL LEVEL SCREW M18X1,5 | 1 |
| 27 | AP0853840 | CLAMP 3-5 MM | 2 |
| 28 | AP0210930 | IL PUMP COVER, BEIGE, LIGHT GRAY | 1 |
| 29 | AP0240181 | DIN 912 ALLEN SCREW M5X20 | 4 |
| 30 | ! PCG 30-30 | LUBRICATING OLIO | 1 |
| 31 | AP0899788 | LOCTITE 648 GREEN, 5 GR., HIGH STRENGTH BOND | 1 |
| 32 | AP0899785 | LOCTITE 221 VIOLET 10 CC., LOW STRENGTH BOND | 1 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0427460 | DIN 988 THRUST WASHER 25X35X2 | 1 |
| 2 | AP0232652 | NEEDLE BEARING 25X29X10 | 2 |
| 3 | AP0293925 | PRIMARY DRIVE ASSY | 1 |
| 4 | AP0230400 | O-RING 18X1,5 | 1 |
| 5 | AP0227600 | THRUST WASHER 20,2/35/3 | 1 |
| 6 | AP0259570 | INNER PRESSURE PLATE | 1 |
| 7 | AP0259052 | FRICTION PLATE 3,0 MM | 6 |
| 8 | AP0259557 | CLUTCH PLATE 1 MM | 5 |
| 9 | AP0259065 | CLUTCH HUB | 1 |
| 10 | AP0245740 | TAB WASHER NA20 | 1 |
| 11 | AP0942220 | HEX. NUT M18X1,5, TIGHTENING TORQUE 110 NM | 1 |
| 12 | AP0242605 | TAB WASHER NA20, FOR SP | 1 |
| 13 | AP0245320 | HEX. NUT M18X1,5 TORQUE 80 NM, FOR SP | 1 |
| 14 | AP0239625 | CLUTCH SPRING 34,1 | 6 |
| 15 | AP0259165 | RETAINING PLATE ASSY | 1 |
| 16 | AP0259420 | GUIDE INNER PRESSURE PLATE | 1 |
| 17 | AP0241770 | DIN 933 HEX. SCREW M5X25 | 6 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0294722 | CRANKCASE | 1 |
| 2 | AP0237905 | IDLE GEAR SHAFT | 1 |
| 3 | AP0224260 | TUBE | 1 |
| 4 | AP0232275 | NEEDLE BUSHING 8X12X8 | 1 |
| 5 | AP0229290 | LOCATING PIN 8X16 | 2 |
| 6 | AP0250641 | GASKET RING A 12X18 (WITHOUT KICK START) | 1 |
| 7 | AP0241401 | HEX.SCREW M12X12 (WITHOUT KICK START) | 1 |
| 8 | AP0924150 | IMPULSE NIPPLE | 1 |
| 9 | AP0241905 | PLUG SCREW M10X10 | 1 |
| 10 | AP0230425 | OIL SEAL 28X38X7, FOR CRANKSHAFT | 2 |
| 11 | AP0930675 | OIL SEAL 25X38X7, FOR MAIN SHAFT | 1 |
| 12 | AP0232766 | BALL BEARING 6205 TNH / 25-52-15 | 2 |
| 13 | AP0932032 | BALL BEARING 6203TVH C3,17-40-12 | 2 |
| 14 | AP0232290 | BALL BEARING 6302 C3 / 15-42-13 | 1 |
| 15 | AP0250415 | GASKET | 1 |
| 16 | AP0241821 | DIN 912 ALLEN SCREW M6X45 | 10 |
| 17 | AP0241261 | DIN 912 ALLEN SCREW M6X65 | 3 |
| 18 | AP0950141 | DIN 7603 GASKET RING A 8X13 | 2 |
| 19 | AP0841561 | DIN 912 ALLEN SCREW M8X45 | 1 |
| 20 | AP0293415 | WATER PUMP ASSY., | 1 |
| 20 | AP0222180 | WATER PUMP HOUSING | 1 |
| 21 | AP0230195 | OIL SEAL 10X26X7 | 2 |
| 22 | AP0237910 | PUMP SHAFT | 1 |
| 23 | AP0232730 | DIN 5402 NEEDLE PIN 4X15,8 | 1 |
| 24 | AP0234410 | UMP GEAR 14 T., | 1 |
| 25 | AP0827590 | THRUST WASHER 10,1/17/1 | 1 |
| 26 | AP0222195 | IMPELLER | 1 |
| 27 | AP0229280 | DIN 1481 SLOTTED SPRING PIN 4X16 | 1 |
| 28 | AP0430060 | O-RING 26,7X1,8 | 2 |
| 29 | AP0241270 | TAPTITE-SCREW M5X25 | 1 |
| 30 | AP0250641 | GASKET RING A 12X18 | 1 |
| 31 | AP0241781 | MAGNETIC DRAIN PLUG M12X1,5 | 1 |
| 32 | AP0440191 | DIN 912 ALLEN SCREW M8X16 | 1 |
| 33 | AP0841331 | DIN 912 ALLEN SCREW M6X12 | 1 |
| 34 | AP0227500 | GASKET RING 6,2/12/1 | 1 |
| 35 | AP0860372 | CABLE GROMMET | 1 |
| 36 | AP0241850 | CONTACT SCREW M10 ASSY., | 1 |
| 37 | AP0840836 | STUD M8X26/20 | 2 |
| 38 | AP0940786 | STUD M8X57/20 | 2 |
| 39 | AP0229290 | LOCATING PIN 8X16 | 1 |
| 40 | AP0247555 | SLEEVE | 2 |
| 41 | AP0897161 | MOLYKOTE 111, 100 GR., SILICONE GREASE | 1 |
| 42 | AP0899788 | LOCTITE 648 GREEN, 5 GR., HIGH STRENGTH BOND | 1 |
| 43 | AP0899785 | LOCTITE 221 VIOLET 10 CC., LOW STRENGTH | 1 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0294770 | CRANKSHAFT ASSY., STROKE 54,5 MM | 1 |
| 2 | AP0932588 | BALL BEARING 6206 TNHC4 30-62-16 | 1 |
| 3 | AP0427591 | SHIM 50X62X0,3 | 2 |
| 4 | AP0945754 | LOCK WASHER A12 | 1 |
| 5 | AP0642051 | HEX. NUT M12X1, TIGHTENING TORQUE 70 NM ( | 1 |
| 6 | AP0430460 | O-RING 18X3,5 | 1 |
| 7 | AP0234430 | BALANCE GEAR 27 T., | 2 |
| 8 | AP0246055 | DIN 6888 WOODRUFF KEY 3X3,7 | 2 |
| 9 | AP0293925 | PRIMARY DRIVE ASSY | 1 |
| 10 | AP0945756 | LOCK WASHER 16 | 1 |
| 11 | AP0242570 | HEX. NUT M 16X1,5, TIGHTENING TORQUE 90 NM | 1 |
| 12 | AP0237905 | IDLE GEAR SHAFT | 1 |
| 13 | AP0827590 | THRUST WASHER 10,1/17/1 | 1 |
| 14 | AP0634030 | IDLE GEAR 34/13/5 T., FOR WATER PUMP | 1 |
| 15 | AP0232290 | BALL BEARING 6302 C3 / 15-42-13 | 1 |
| 16 | AP0237945 | BALANCE SHAFT | 1 |
| 16 | AP0237940 | BALANCE SHAFT, FOR ENGINE TYPE 123 CUSTOM | 1 |
| 17 | AP0232340 | BALL SEARING 6005 E C3/ 25-47-12 | 1 |
| 18 | AP0227280 | THRUST WASHER | 1 |
| 19 | AP0940315 | COUNTERSUNK SCREW M5X12 | 1 |
| 20 | AP0245650 | RETAINING RING AV 20 | 1 |
| 20 | AP0945810 | RETAINING RING 25X1,2, FOR BALANCE SHAFT 237 940 | 1 |
| 21 | AP0932028 | NEEDLE CAGE K 15X19X20 | 1 |
| 22 | AP0294583 | PISTON ASSY. 53,98/53,99 MM | 1 |
| 22 | AP0294755 | PISTON ASSY. 54,00 MM, WITH RINGS, 1ST OVERSIZE | 1 |
| 22 | AP0294756 | PISTON ASSY. 54,01 MM, WITH RINGS, 2ND OVERSIZE | 1 |
| 23 | AP0215670 | RECTANGULAR RING 54X1,2X2,3, 1,2 MM WIDE | 2 |
| 24 | AP0216136 | PISTON PIN 15X9/11,4X45,6 | 1 |
| 25 | AP0945635 | CIRCLIP 15, USE ONLY ONCE | 2 |
| 26 | AP0293849 | REPAIR KIT | 1 |
| 27 | AP0297431 | LOCTITE ANTI-SEIZE 10 GR., TO PREVENT METAL GALLING | 1 |
| 28 | AP0899788 | LOCTITE 648 GREEN, 5 GR., HIGH STRENGTH BOND | 1 |
| 29 | AP0899785 | LOCTITE 221 VIOLET 10 CC., LOW STRENGTH BOND | 1 |
| Num. | Referencia | Descripción | Cantidad |
| 1 | AP0281184 | TRANSMISSION SET, 6-SPEED 2,87 | 1 |
| 1 | AP0220075 | CLUTCH SHAFT 10T., 1 ST SPEED | 1 |
| 2 | AP0232742 | NEEDLE BEARING 21X25X10 | 1 |
| 3 | AP0634125 | FREE PINION 22 T., 6TH SPEED, CLUTCH SHAFT | 1 |
| 4 | AP0245730 | CIRCLIP 25X2 | 1 |
| 5 | AP0634095 | GEAR PINION 17/19 T., 3RD/4TH SPEED, CLUTCH SHAFT | 1 |
| 6 | AP0634105 | REE PINION 21 T., 5TH SPEED, CLUTCH SHAFT | 1 |
| 7 | AP0634085 | FIXED GEAR 14 T., 2ND SPEED, CLUTCH SHAFT | 1 |
| 8 | AP0220050 | MAINSHAFT | 1 |
| 9 | AP0234968 | FREE PINION 29 T., 2ND SPEED, MAIN SHAFT | 1 |
| 10 | AP0634115 | GEAR PINION 24 T., 5TH SPEED, MAINSHAFT | 1 |
| 11 | AP0234984 | FREE PINION 27 T., 3RD SPEED, MAINSHAFT | 1 |
| 12 | AP0234858 | FREE PINION 25 T., 4TH SPEED, MAIN SHAFT | 1 |
| 13 | AP0634135 | GEAR PINION 23 T., 6TH SPEED MAINSHAFT | 1 |
| 14 | AP0244100 | THRUST WASHER 21,2/30/1 | 1 |
| 15 | AP0634065 | FREE PINION 30 T., 1ST SPEED, MAIN SHAFT | 1 |
| 16 | AP0227430 | THRUST WASHER 17,2/30/1 | 1 |
| 17 | AP0430460 | O-RING 18X3,5 | 1 |
| 18 | AP0245650 | RETAINING RING AV 20 | 1 |
| 19 | AP0220066 | SHIFT SHAFT WITH PAWL ASSY., | 1 |
| 20 | AP0239835 | SPRING | 1 |
| 21 | AP0248255 | INDEX LEVER ASSY. | 1 |
| 22 | AP0827261 | THRUST WASHER 12,5/21,5/1 | 1 |
| 23 | AP0239820 | INDEX SPRING | 1 |
| 24 | AP0239645 | HAIR PIN SPRING | 1 |
| 25 | AP0247690 | DISTANCE SLEEVE | 1 |
| 26 | AP0258937 | SHIFT DRUM ASSY., | 1 |
| 27 | AP0258900 | SHIFT FORK, 2ND / 3RD SPEED | 1 |
| 28 | AP0258910 | SHIFT FORK, 5TH / 6TH SPEED | 1 |
| 29 | AP0258890 | SHIFT FORK, 1ST / 4TH SPEED | 1 |
| 30 | AP0258880 | GUIDE PIN | 1 |
| 31 | AP0236063 | SPROCKET 16 T., 5/8X1/4X10,16 | 1 |
| 31 | AP0236062 | SPROCKET 15 T., 5/8X1/4X10,16 | 1 |
| 31 | AP0236061 | SPROCKET 14 T., 5/8X1/4X10,16 | 1 |
| 32 | AP0297431 | LOCTITE ANTI-SEIZE 10 GR., TO PREVENT METAL GALLING | 1 |
| 33 | AP0897330 | LITHIUM-BASE GREASE, 250 GR., | 1 |
