Rotax Technical Documents

Rotax Max Sr. evo 125
30+ Horsepower Designed for ages 15+
Rotax MY20 evo 125
Micro & Mini version designed for long-life & high performance
Rotax Max Jr. evo 125
23+ Horsepower for drivers looking for excitement
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Latest Technical Updates & Notifications

MY20 Overview

Micro & Mini Max MY20 FYI Document
Read Here
Did You KNOW

MY20 Mini Fact Sheet

MY20 Mini Full Dyno Overview
Read Here
Notification

MY20 Micro Fact Sheet

MY20 Micro Full Dyno Overview
Read Here
Notification

Engine Tuning

General Tips on Max Jr. | Sr. | DD2 Engine Settings
Read Here
Tuning Tips

Misfire Prevention

Insight on how to prevent any misfires
Read Here
Tech tip

Function Switch

Operational Instructions & Longevity
ReadHere
tech tip

NGK Spark Plug Update

Clarifications & General Updates
Read Here
tech tip

Crankshaft Tolerance

Discover the correct tolerance for assembly
Read Here
tech tip

News Coming

New Release to be posted
Click Here

MY20 Tuning Tips

General Tips for MY20 Micro & MY20 Mini
Click Here

Rotax Engine Serial Number / Seal Check

Discover if your engine is eligible for competition.
Click Here

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