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Polini Thor 190 Light

The Thor models share a common design.  The info below is unique for the 190.  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


Flash starter – The This starter has some major problems.  Here are various solutions, including adapting the Miniplane Top 80 system to the Thor.

Parts diagram w/o clutch or electric starter

Parts diagram w clutch

Parts diagram w electric starter w/o clutch

Spark Plug – NGK B9ES, gap 0.9mm (0.035")

Specifications are in the "User & Maintenance Manual" below.  Many specifications are similar to the Top 80.

Starting – Start your engine the first pull, every time.

User & Maintenance Manual