Technical Articles

In this guide, I tell you what aftermarket Carburetor you need for your Kohler K Series Engine.Engine: Kohler K90, K91, K141, K160, K161, K181, M8 in 3 thru 8HP Carburetor: Kohler #16 CarburetorSpecs: 0.810" Throttle Bore. 0.542" Veturi Engine: Kohler K241, K301, M10, M12 in 10HP or 12HPCarburetor: Kohler #26 CarburetorSpecs: 1.07" Throttle Bore. 0.812" Venturi Engine: Any Kohler Magnum Twin or KT Twin EnginesCarburetor: Kohler #26 Carburetor with modifcationsSpecs: 1. …

The Kohler K Series Small Engines have earned a legendary status among collectors and users.They were robust, powerful and reliable. Millions are still in service today and run just like they did when they were made dating back to the 1950's.Here are 5 reasons from a technical standpoint on why you should rebuild them instead of buying a new engine.Cast Iron Engine Block:They are heavy. In most applications today their power to weight ratio is not considered impressive. But when they power 4 whe …

Carburetor Parts and Function.In Carburetors. How do they work? Part 1 we gave an overview of the function of the carburetor and the parts involved.In this part 2 we will explain what each part in a carburetor does so you can have a better understanding of your carburetor for your Kohler K series engine.Let's begin on the outside of the carburetor.Throttle Lever and Throttle Plate: The throttle lever controls the opening and closing of the throttle plate. The throttle plate regulates h …

The carburetor is the doorway into your engine. It's primary function is to bring fuel and air into your engine to create combustion.An engine requires 14.7 parts of air per 1 part of fuel to create an ideal combustion scenario. This ratio is called the "stoichiometric ratio."A carburetor accomplishes its goal with a simple design utilizing only physics and atmospheric pressure.Here is how it works:As your engine's piston moves downward on the intake stroke, a low pressure is created in the comb …

You found that perfect old tractor. You hauled it home.  Now what?Here is one of the first items I recommend you to replace: The ignition key switch.Chances are that old garden tractor you just brought has been sitting outside in the weather for more than a decade. rain, moisture and time wreak havoc on electrical components. When the terminals in the ignition switch get too corroded it increases the electrical resistance. This will start giving you all kinds of problems with …