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The stock ignition coil is usually one of the weakest areas for these industrial air-cooled engines. As they as you are only as strong as your weakest link. To have the best engine Tillotson could offer for the 196 class, we researched the best supplier for the strongest analog ignition coil. You can usually determine the Tillotson Spec ignition from others by measuring the girth of the coil body.
It's common for stock ignition to retard timing as the RPMs go up and often costing you valuable power. If allowed, we recommend using a digital ignition like the ones made by PVL(PVL is a company name, not a type of ignition). This would require flywheels specially designed for digital ignitions. These ignition coils are stronger and only change the timing for the engine to start.
To get the most from your analog ignition coils, set coil or air gam to .035" on most billet, racing flywheels. .012-.015" on stock flywheels. To close or too far away can simulate rev limiting effects or carburetor and fuel delivery problems.
For reference, the Ignition Timing is set based on the end of the following leg of the coil.
These Ignition Coils are replacement for 196cc 6.5hp Clone, Honda GX200, Ducar 196, Ducar/Tillotson 212, Tillotson 196R/RS, Tillotson 212R, Ducar/Tillotson 212E, Predator 212, and BSP 196 and 212 Engines.
AKRA 2020 Rules for Ignition Coil
Stock Box Stock system only and must be unaltered. Spark Plug boot must be the stock black hard plastic boot only. The factory plug wire may be replaced with an automotive 7mm wire of the same length.
NKA 2020 Rules for Ignition Coil
4.17: Ignition Coil
18.104.22.168: Ignition coil must be OEM for all classes.
22.214.171.124: Timing is non-tech.