Many people speculated that Ski-Doo would be introducing a new 600R E-TEC. Ideas in conversations overheard included the use of the existing 600 E-TEC in the REV Gen4 platform, or a new 650cc engine similar to the 850cc engine. Today Ski-Doo has released a new, 125hp, 600cc E-TEC engine, the little brother to the 850.
Here is what Ski-Doo had to say and details they offered on their new engine, which is offered in it’s limited build 2018 MXZ 600:
Check it out here: Introducing the New Ski-Doo 600R E-TEC - Snowmobile.com