Rotax 125 JUNIOR MAX evo User Manual

für ROTAX®-Motoren Type / for ROTAX®-engines type
125 MAX evo
125 JUNIOR MAX evo
125 MINI MAX evo
125 MICRO MAX evo
Teile-Nr. / Part no.: 297730
Ausgabe / Edition: 07 2016
BRP-Rotax GmbH & Co KG | Rotaxstrasse 1 | 4623 Gunskirchen, Austria | T: +43 7246 601 0 | F: +43 7246 637 0
www.rotax.com | www.rotax-kart.com
Einbauhinweise und Betriebsanleitung
Installation instructions and operator´s manual

Rotax 125 JUNIOR MAX evo Specifications

General

Engine Type	Single-cylinder, 2-stroke
Max Power RPM	11, 500 RPM
Stroke	54.5 mm
Ignition	Digital CDI
Max RPM	14, 000 RPM
Displacement	124.8 cm³
Max Power	30 hp
Max Torque	24 Nm
Bore	54.0 mm
Cooling System	Liquid Cooled
Fuel System	Carburetor
Lubrication	Premix

Summary

Installation and Connection of the Fuel System

Installation and Connection of the Fuel Pump

Connects the fuel pump to the engine's fuel system.

Installation and Connection of the Carburetor

Installation of the Bowden Cable for Carburetor Control

Installation of the Radiator

Installation of the Wiring Harness on the Mounting Plate

Installation of the Battery

Installation of the Wiring Harness

Fitting of the Spark Plug

Installs the spark plug and sets the electrode gap for optimal performance.

Installation and Connection of the RAVE Control Unit

Verification or Replenishing of Oil Level in Gear Compartment

Engine Attachment on Chassis

Attachment via Engine Pedestal

Details on mounting the engine to the chassis using an engine pedestal.

Fitting of the Drive Chain

Installation of the Intake Silencer with Integrated Airfilter

Installation of the Exhaust System

4. Engine Tuning

4.1. Carburetor Calibration

Provides tables for adjusting carburetor settings based on ambient temperature and pressure.

4.2. Selection of the Transmission Ratio

4.3. Exchange of the Clutch Drum with Chain Sprocket Fitted

6. Operating Limits

7. Engine Start and Operation

7.1. Engine Start and Operation

Step-by-step guide for starting the engine and initial operation.

7.2. Stopping the Engine

Instructions on how to safely stop the engine.

7.3. Running-in Procedure for the Engine

Procedure for breaking in the engine to ensure longevity.

7.4. Setting of the Exhaust Valve Timing (125 MAX evo only)

8. Maintenance Schedule for Engine Components