The ROTAX FR125 MAX engine range is the official engine for ROTAX MAX
Challenge. It is the best choice for any kart enthusiast.
The JR. Rotax FR125
Engine is a sealed spec
engine based around a
spec World wide kart
racing series. 21hp,
Water cooled, 125cc
2-stroke, digital
ignition, 6 month
limited warranty,
electric start and no
major rebuild for 50
hours. Addition of
intake and exhaust
restrictors bring this
engine down to 13.5hp
for Minimax drivers
ages 8-12.
***INCLUDES: Intake silencer, carburetor, fuel pump,
exhaust system, radiator, battery, complete cable
harness, battery support and battery charger.
Stroke 54,5 mm 54,5 mm
Displacement 124, 8 cm3 124, 8 cm3
Capacity 15 kW 21 kW
Torque 17Nm 21Nm
Clutch Dry centrifugal clutch
The Rotax FR125 Engine is a sealed spec engine based around a spec World
wide kart racing series. 30hp, Water cooled, 125cc 2-stroke, power valved,
digital ignition, 6 month limited warranty, electric start and no major rebuild
for 50 hours.
