Specification:
- Displacement: 25,66 cm3
- Bore / Stroke: 33 / 30,1 mm
- Weight Without Ignition: 940 g
- Ignition: electronic, microprocessor
- Ignition Weight: 178 g
- Carburetor: Walbro

MVVS 26 IFS Engine is based on standard MVVS configuration - front carburetor placing, intake controlled by crankshaft and exhaust system directed to right side. Crankshaft fitted on 2 ball bearing and and both connecting rod holes equipped with INA needle bearings. Piston is made from aluminum composition with high content of silicium. Piston is coated by special sliding coat, which makes running-in easier and extends engine service life. All work in steel piston liner.
Engine is suitable for all kind of models, incl. acrobatics. Engine is easy to use therefore it´s also suitable for beginners.

The most important is the new connecting rod, provided with new crankpin bearing with bigger diameter and providing 33% higher load ratings. This caused changes also on crankshaft and on crankcase. New extra Walbro system is added to the carburettor: mechanical locking choke for engine's starting position.

SP type of MVVS 26 IFS engine is equipped with side spark plug cylinder head and tuning difusor.