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Polini Thor 200

The Thor models share a common design.  The info below is unique for the 200.  Please see the Thor all models section for info that is not found here.  The Top 80 section has detailed info on things like the carburetor function and tune up (used by all Miniplane and Polini engines), and troubleshooting issues.

Carburetor WB-37

Electric starter

Flash starter – The Thor Flash starter has serious problems.  Here is the best fix for it at this time.

Engine parts diagram

Frame mounting parts

Spark plug NGK BR10EG gap 0.9mm (0.035")  This is a resistor type spark plug. Pilots may also use the B10EG/ES or B9EG/ES.  Use of a non-resistor plug may increase the amount of noise created by the ignition that is picked up by a two-way radio.

Specifications are in the "User & Maintenance Manual" below

User & Maintenance Manual

Wiring diagram