MOTORUN ENGINE TOOLS - PRO

MOTORUN INDONESIA

Oct 28, 2026

10.7 MB
File Size
0/66
Security
Everyone
Android 7.0+
Android OS

Download APK

How to install XAPK / APK file

About MOTORUN ENGINE TOOLS - PRO

Boost 4/2-stroke engines with MOTORUN PRO, great for racers & daily use

MOTORUN ENGINE TOOLS PRO is an advanced tool for redesigning 4-stroke and 2-stroke engines, ideal for racers and daily modification enthusiasts. This tool provides precise calculations to enhance performance, from engine volume, camshaft, compression ratio, piston speed, to carburetor adjustments and racing exhausts.

4-Stroke Calculator Features:

🔥 Engine volume, duration, LSA, overlapping

🔥 Porting Polish, valves, lift, and diameter

🔥 Shim selection, compression ratios, piston speed

🔥 Safe RPM limits, ideal venturi size, reamer

🔥 Acceleration, potential top speed, final gear ratio

2-Stroke Calculator Features:

🔥 Engine volume capacity, dynamic compression ratio

🔥 Clearances, piston ring gap, head squish

🔥 Engine duration, porting, piston speed

🔥 Carburetor size, acceleration, potential top speed

MOTORUN ENGINE TOOLS PRO is an essential tool for anyone looking to effectively and efficiently optimize engine performance.

What's new in the latest 5.3.7

Last updated on 2026-10-28

- New: Valve guide and valve seat thermal expansion press-fit calculator.
- New: Piston kinematics, displacement, and peak velocity angle calculator.
- New: Alternative flow-based engine performance and dyno potential tool.
- Calculation improvements, input validation enhancements, and general stability fixes.