So I've read reports of the BC steering lighter than the 137s & 129s. And after my little demo ride despite the conditions & TS skis I came away convinced Doo did something different with the 9Ts to reduce steering effort. When it comes to the BC at first I thought it was just the weight difference (35 lbs or so) between the SHOT and C-Motion. But all that weight savings is out back, not over the skis. The heaviest part of ES is the battery which is now located behind the seat. Then I thought maybe it's the BC specific spindles. I remembered some guy selling MPS or Mechanical Power Steering for Yamahas. A quick Google search brought up his web site and the MPS is achieved by simply extending the distance between the tie rod & spindle via a lever for more mechanical advantage. I then went to Doo's site to zoom in on the BC spindles but I couldn't see any difference with the naked eye that would explain the BC steering lighter. So I turned to the parts site. If you pull up the BC 850's steering you can see it doesn't have a rack. You can also see that the steering post has a throw to it and a linkage at the bottom which give it mechanical advantage. If you pull up the Renegades or MXZs the X & XRS (rack equipped) models have pretty much a straight steering post & no linkage (lever at the bottom of the post). Then look at the TNTs & Adrenalines, they have a throw & linkage just like the BC. If you check out the 900 Turbos both the Adrenaline / Enduro & the X / XRS models come with a throw & a linkage even though the X / XRS Turbos have the rack just like the 2 strokes. So there you have it. If you want a lighter steering 2S G4 buy a BC or a TNT or an Adrenaline. This is for 2019 & prior models, I know Doo is nixing the rack on the X so maybe the 2020 X will have the same steering set-up as the older TNTs & Adrenalines? Anybody have any back-to-back same day same condition seat time between a similar set-up (ski / carbide combo) MXZ TNT 850 vs say a MXZ X or XRS 850 or Renegade Adrenaline 850 vs a Renegade X or XRS 850 to confirm my thoughts ???
Edited by ncapster, 09 May 2019 - 11:59 AM.