ROTAX 125 JUNIORMAX

Complete Package

Includes everything required to install and run a new engine:

• Engine Unit: Fully assembled engine (Micro, Mini, Junior, Senior, or DD2), supplied pre-filled with gearbox oil where applicable.
• Fuel System: Carburettor, fuel pump, fuel lines, and fuel filter.
• Intake & Exhaust: Complete exhaust system (exhaust pipe and silencer) plus intake silencer (airbox).
• Cooling System: Water-cooled radiator, radiator flap, water hoses, and all required hose clamps.
• Electronics: Wiring harness (loom), battery box/bracket, ECU (Electronic Control Unit), ignition coil, and OFF/ON/START switch.
• Starting System: Starter motor, battery, and battery charger.

Short Package

Includes the essential engine components:

• Engine Unit: Fully assembled engine block supplied with radiator, fuel pump, and standard airbox support.

Engine Fiche

Please note: The Engine Fiche cost applies only to new engines and does not apply to used engines.

Need Help?

Our team has been supporting kart racers for over 30 years and we're here to help you choose the right engine and components for your racing.

Whether you have questions about regulations, package options, installation, servicing or replacement parts, our experienced team is only a phone call or email away.

If you're unsure which option is right for you, get in touch before ordering and we'll be happy to help.

📞 Call us: 01283 565566

📧 Email us: sales@rpmpower.co.uk

🕒 Opening Hours
Monday–Friday: 9:00am–5:00pm

At RPM Racing Engines, our support doesn't end when your engine arrives—we're here to help you get the very best from your engine throughout its racing life.