ROTAX 125 Junior MAX EVO Engine
€2,279.00
The Rotax 125 Junior MAX EVO takes young drivers into serious karting: 23 hp at 8,500 rpm and 19 Nm of torque for their first competitive seasons, in the Junior class of the Rotax MAX Challenge — at national and international level. CIK-FIA homologated engine.
The Engine Kit includes everything: engine, carburettor, intake silencer, fuel pump, complete exhaust, radiator, battery, battery box with cover, wiring harness, OFF/ON/START switch and relay.
Classes and age: RMC Junior MAX. From 12 to 15 years old (age limits may vary according to national regulations). For leisure, club racing and national or international events.
Official document (PDF):
Read the guide (in Italian): Rotax MAX EVO: classes, power outputs and how to choose the right engine
Quantity
Official Rotax technical data
Junior cylinder without exhaust valve: full but predictable power, just right for learning to build speed. Electric start and dry centrifugal clutch.
- Maximum power: 17 kW / 23 hp at 8,500 rpm
- Maximum torque: 19 Nm at 8,500 rpm
- Weight: bare engine 11.8 kg, with complete power pack 23.0 kg
- Features: Junior cylinder without exhaust valve
- Chassis compatibility: 1,040 mm wheelbase
- Rotax power pack: intake silencer, carburettor, fuel pump, engine, exhaust, radiator, battery box with cover, wiring harness, OFF/ON/START switch, relay
- Homologation: CIK-FIA approved engine
- Power figures according to ISO 15550 and ISO 4106
Frequently asked questions
What is the difference between the Rotax Junior MAX EVO and the Senior MAX EVO?
The Junior has a cylinder without exhaust valve and delivers 23 hp at 8,500 rpm; the Senior has an electronically controlled exhaust valve and delivers 30 hp at 11,500 rpm.
From what age can the Junior MAX EVO be used?
From 12 to 15 years old, unless national regulations set different limits.
What is the difference between the Junior MAX EVO and the Mini MAX EVO?
The Junior delivers 23 hp and fits chassis with a 1,040 mm wheelbase; the Mini delivers 13 hp and is made for cadet chassis with a 950 mm wheelbase.
Shipping and returns
Shipping
The engine is shipped by express courier. Shipping is free in Italy; to European Union countries it costs €49.90. For any information: info@tksracelab.com, +39 352 0280 133.
Returns
- You have 14 days from receipt to withdraw from the purchase, without giving any reason.
- The product must be returned unused (not fitted or installed), in its original intact packaging and complete with all accessories and documents.
- Return shipping costs are paid by the customer. The refund is made using the same payment method used for the purchase.
- If the product arrives faulty or damaged, write to info@tksracelab.com within 48 hours of receipt, attaching photos: in this case we cover the return.
Full details on our Return Policy page.
