The 2-Stroke ToolKit is a free app that offers a set of basic two-stroke engine calculators. It can store the settings for up to four motorcycles, so you can quickly and easily calculate the oil quantity, the speed, and the gear ratio. It is a tool that is easy to use and offers a lot of flexibility.

This is a very useful app for people who want to get to grips with the basics of two-stroke engines. It is especially useful for people who want to learn how to repair their bike or motorbike.

The basic engine calculators are divided into three categories: the oil calculator, the speed calculator, and the tuning calculator.

The oil calculator is used to calculate the amount of oil that you need to fill your engine. It is a very simple tool and offers you the possibility to calculate the amount of oil based on the engine capacity, the gear ratio, and the type of bike you have.

The speed calculator is used to calculate the speed of your bike. It is a very simple tool and offers you the possibility to calculate the speed in kilometers per hour or miles per hour.

The tuning calculator is used to calculate the parameters that you need to change in order to tune your engine. It is a very simple tool and offers you the possibility to change the gear ratio, the power, and the size of the air gap.