Gear Selector Repair
Extensive notes with more detailed explanation of the gear detent selector components.
Read More
Knowledge Base
Bing Carburettor
Technical notes and diagrams explaining the operation and maintenance of the Bing Carburettor
Read More
Messerschmitt Original Colours 1958-64
This is an excellent copy of the original and includes a colour swatch (small metal plate painted with the sample colour). A sample fabric portion is supplied for each of the four upholstery colours. Suitable for all KR200/1 / Tg500 manufactured by FMR. A separate sheet is included (reproduced below), identifying modern car finishes matching … Read more
Read More
Messerschmitt Original Colours 1956-58
Original colour charts for early cars are extremely rare and most that have survived have become faded from light exposure. Pre-1957 charts are even more rare and we were lucky to borrow an original in mint condition that has enabled the preparation of these notes. This colour chart covers those models up to 1958 built … Read more
Read More
Paint Codes and Equivalents 1955-56
A new colour chart has been made available by Peter Svillans in covering those 1955-56 models built by RSM Messerschmitt Werke including the two tone finishes used on the KR200 export models. Solid/Two Tone Messerschmitt Original Colours STANDARD Body colours Manufacturers reference / shade Dupont? CODE Solid Elfenbein (cream) Rover 90-92 NNJ922 Buttermilk H9559 Solid … Read more
Read More
Speedometer-types and repair notes
Check the following documentation to learn more about the different types of speedometers fitted to the Messerschmitt.
Read More
Contact Breakers
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
Read More
Battery Selection & Fuse Protection
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.
Read More
Piston Measuring, Running-in & Torque Settings
Since the invention of the internal combustion engine the movement of crankshaft, connecting rod, and piston have been at the heart of engine function right up to the present day. The following article provides technical information on the measurement of pistons for re-bore.
Read More
Wiring Diagram for KR200
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.
Read More
Two-Stroke Oil
When Messerschmitt cars were sold new the manufacturer recommended that the petrol to oil ratio to use should be 25:1. The original phosphor bronze bush used with the aluminium conrod required such a ratio. With most cars having had their engines rebuilt using a steel con rod and a needle roller small end bearing, the … Read more
Read More
Adjusting and improving the Neutral Finder
This work is much easier to complete while the engine is out of the car and is certainly something that should be investigated during an engine overhaul. With many of these assemblies approaching fifty years old – many different people may have dismantled and adjusted parts each with varying skill levels. Measurement of these moving … Read more
Read More
Gearbox lubrication and gear oil selection
Jumping out of 4th gear is not unusual for the Sachs 200 engine as most shifting is done between third and fourth when on the open road. This was always a difficult problem to solve and there were cases that even the factory mechanics could not cure. However, it is not common for the other … Read more
Read More
Gearbox Troubleshooting
Jumping out of 4th gear is not unusual for the Sachs 200 engine as most shifting is done between third and fourth when on the open road. This was always a difficult problem to solve and there were cases that even the factory mechanics could not cure. However, it is not common for the other … Read more
Read More
Setting up the Selector Quadrant – to avoid jumping gears
My Messerschmitt arrived, as do most restoration projects, as a rusty hulk and a pile of bits. At least the engine was fitted, well “just” actually. It was secured in place by a single bolt (without a nut!) and none of the services were connected. It seemed the lowest of the priorities, until the body … Read more
Read More
Siba and Bosch Black Box Systems
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
Read More
Comparison of SIBA and BOSCH dynastart units with brush fitting
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
Read More
Engine Technical Data Sachs 200 type AZL-R For Messerschmitt KR200
Type Air-cooled single cylinder two stroke engine Transfer port type Schnuerle loop scavenging Cylinder bore dia. 65mm Piston stroke 58mm Cylinder volume 191cc Compression ratio 6,3 : 1 Power output 9,7 hp at 5250 rpm Gearbox Four speed integrated gearbox Clutch Four plate oil bath clutch Neutral selector Hand operated lever and cable Starter system … Read more
Read More
