Messerschmitt (SACHS), engines were fitted with two different types of contact breakers. One type is SIBA fitted to all engines up to 1958 and fitted with SIBA starter system. The later type, BOSCH equipped engines, had a different contact breaker system. Both types are interchangeable by using the appropriate contact breaker mounting plate. MOC offers … Read more
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The following article from David Garner focuses on the batteries used by he different Messerschmitt models and provide information about the size, type and further technical explanation.
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This wiring diagram is for guidance only – you are strongly recommended to add a 20 ampere in-line fuse in the red cable at the rear bulkhead because there are unprotected circuits that may cause damage in case of short circuits. Any new wiring installation should be verified by a professionally qualified vehicle technician.
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The picture shows a SIBA black box control system fitted to all KR200 models up to chassis number 70643 reported date of introduction 6th April 1959. Never remove the regulator cover with the battery connected. Accidental closing of the cut-out contacts often causes them to weld together. The engine starter will appear to be operating … Read more
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Removing the flywheel be sure to use a locking tool the nut should be very tight and often requires great effort to remove it. An air wrench often helps here and sometimes avoids the need for the locking tool. Be sure to tighten the nut very tightly on re-assembly. If it comes loose, both the … Read more
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When the engine is stopped and the ignition switch turned on, the battery supplies power to all circuits. 1. START Turning on the start switch energizes the start relay. Heavy duty contacts of this relay will supply high current to the stator coils, which are in series with the rotor by way of, HE of … Read more
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How to identify Bosch & Siba systems Late in 1958, soon after FMR took over from RSM, a number of changes were made to the engines including a different crankshaft and dynastart system. If you have a Messerschmitt with FMR badges and vehicle identification number plate, then it was normally built with a BOSCH system. … Read more
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We are very fortunate that the KR200 electrical systems are built to the highest standards and are a credit to the original designer. In this case it was probably not Fend although the design and protection systems suggest the work of an aircraft engineer. Even the KR175 is wired to the best available technology of … Read more
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