Maico Serial Numbers

This info may or may not be accurate. Typo or otherwise.
Please check yours and let me know of any descrepencies.

Bob Lovell at bob@maicomadness.com

YEAR               MODEL                       FRAME                              ENGINE

1973                     250                                   393000                             U277000
                             501                                    5012                                 U5016

1974                     250/4 GP                           394 000                            U278 000
                            400/4 GP                           394 000                            U406 000
                            440/4 GP                           394 000                            U441 000

1974                     250/4 GS                           340 000                             K278 000
                            400/4 GS                           340 000                             K406 000
                            440/4 GS                           340 000                             K441 000

1975                     250/5 NG                           321 000                            M321 0000
                            400/4 NG                           321 000                             U322 0000
                            440/4 NG                           321 000                             U320 0000

                            250/4 GS                            340 000                             K278 000
                            400/4 GS                            340 000                             K407 000
                            440/4 GS                            340 000                             K441 000

1975 1/2               250/5 NG                           321 000                             M321 0000
                            400/5 NG                           323 000                             G323 0000
                            440/5 NG                           324 000                             G324 0000

                            250/5 WR                           321 000                             G321 0000
                            400/5 WR                           321 000                             G323 0000
                            440/5 WR                           321 000                             G324 0000

 
1976                     250/5 AW                           326 000                            M321 0000
                            400/5 AW                           327 000                             R323 0000
                            440/5 AW                           328 000                             R324 0000

                            250/5 WR                            321 000                            G321 0000
                            400/5 WR                            321 000                            G323 0000
                            440/5 WR                            321 000                            G324 0000

1977                     250/5 AW                            330 000                           M321 0000
                            400/5 AW                            331 000                            R323 0000
                            440/5 AW                            332 000                            R324 0000

                            250/5 WR                            230 000                            G321 0000
                            400/5 WR                            230 000                            G323 0000
                            440/5 WR                            230 000                            G324 0000

1978                     250/T MAGNUM                336 0000                       MT336 0000
                            400/T MAGNUM                337 0000                         RT337 0000
                            440/T MAGNUM                338 0000                         RT338 0000

                            250/5 WR                            230 000                            G321 0000
                            400/5 WR                            230 000                            G323 0000
                            440/5 WR                            230 000                            G324 0000

1979                     250/T MAGNUM II             341 0000                       MT336 0000
                            400/T MAGNUM II             342 0000                        RT337 0000
                            440/T MAGNUM II             343 0000                        RT338 0000

                            250/T MAGNUM E             241 0000                       GT236 0000
                            400/T MAGNUM E             241 0000                       GT237 0000
                            440/T MAGNUM E             241 0000                       GT238 0000

1980                     250/M1                               346 0000                       MT346 0000
                            400/M1                               347 0000                        RT347 0000
                            440/M1                               346 0000                        RT348 0000

                            250/T MAGNUM E             241 0000                       GT236 0000
                            400/T MAGNUM E             241 0000                       GT237 0000
                            440/T MAGNUM E             241 0000                       GT238 0000

1981                     250/T                                  350 0000                            350 0000
                            400/T                                  351 0000                            351 0000
                            490/T                                  352 0000                            352 0000

1982                     250 MC                               353 0000                            353 0000
                            490 MC                               354 0000                            354 0000

                            250 GS   Alpha E                  353 0000                            253 0000
                            490 GS   Alpha E                  354 0000                            254 0000

1983                     250/5                                   361 0000                            362 0000
                            490 Sandpiper                       362 0000                            362 0000

1984                     SC500                                                                           364 0000

1985                     500                                      366 0000                            266 0000
                                                                                                                    366 0000
 

1986                     250                                   H3670144                      HMX3670130
 

MODEL CODE
GP    Grand Prix
NG    New Generation
WR    Wide Ratio
AW    Adolf Weil

Magnum    :  Magnum Moto Cross
Magnum E :  Enduro
Magnum II :  Moto Cross
M1            :  New Megaform frame

ENGINE CODE
U         U Transmission Close Ratio
K         Wide Ratio Transmission
M        250 Close Ratio Transmission
G         400-440 Wide Ratio Transmission
R         400-440 Close Ratio Transmission
MT      Countershaft moved back
MT1     250 Close Ratio Transmission
RT       Countershaft moved back
RT1      400-440 Close Ratio Transmission
GT       Countershaft moved back
GT1      250-400-440 Wide Ratio Transmission

MT1      Layshaft bearing
RT1        Layshaft Changed
GT1        New T1 hooked ratchet

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