Rotax 125 MAX evo Repair Manual

BRP-Rotax
REPAIR MANUAL
TECHNICAL DATA
Engine Type
125 MAX evo / 125 Junior MAX evo / 125 Mini
MAX evo / 125 Micro MAX evo
Bore/stroke 54.00 mm / 54.5 mm
Displacement
125.0 ccm
Nominal power (max.)
125 MAX evo
125 Junior MAX evo
125 Mini MAX evo
125 Micro MAX evo
22 kW at 11500 rpm
17 kW at 8500 rpm
11 kW at 8500 rpm
6 kW at 7500 rpm
Torque (max.)
125 MAX evo
125 Junior MAX evo
125 Mini MAX evo
125 Micro MAX evo
21 Nm at 9000 rpm
19 Nm at 8500 rpm
13 Nm at 8000 rpm
9 Nm at 7500 rpm
Idle speed between 1500 and 2000 rpm
Highest permissible speed
125 MAX evo
125 Junior MAX evo
125 Mini MAX evo
125 Micro MAX evo
13500 rpm (at operation on the track, under load)
12200 rpm (at operation on the track, under load)
11500 rpm (at operation on the track, under load)
10500 rpm (at operation on the track, under load)
Ignition unit Contactless, (variable) digital coil ignition
Spark plug
NGK GR8DI-8 or NGK GR9DI-8
Electrode gap
<1 mm
<1.20 mm for 125 Micro, 125 Mini MAX evo
Fuel
Super, unleaded fuel
RON (min.)
Min. 95 Octane
Cooling
Liquid cooling: Cooling circuit with integrated coolant
pump
Flow rate of the coolant pump approx. 22 liters at 11000 rpm
Coolant mixture
100 % Water (distilled). Drain water after operation in
cold condition to prevent freezing.
Coolant capaciy
0.6 liter
Engine lubrication
Oil-in-gasoline lubrication, synthetic 2 Stroke oil (RO-
TAX XPS KART-TEC Oil part no. 29460 and ROTAX
SYNMAX Oil recommended).
Mixture ratio
1:50 (2 % oil)
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0
Chapter 1
Page 7

Rotax 125 MAX evo Specifications

General

Brand	Rotax
Model	125 MAX evo
Category	Engine
Language	English