The steering post angle plays a crucial role in the handling and overall riding experience of a snowmobile. Different designs cater to various riding styles and preferences. This article delves into the steering post configurations found on Yamaha snowmobiles, particularly focusing on models from the last decade, and explores potential modifications for enhanced performance.
Vertical vs. Laydown Steering Posts
One key distinction lies between vertical and laydown steering posts. Vertical posts, commonly found on mountain sleds, promote a more upright riding position and horizontal bar movement. This setup is often preferred by riders who spend a significant amount of time standing and riding off-trail. In contrast, laydown posts, where the bar drops towards the rider's knee on inside corners, may not be ideal for those who favor a more active, standing riding style.
For riders seeking more horizontal bar movement, the mountain steering setup found on the 15' and newer Viper MTX models could be a suitable option. Notably, all Viper models can be converted using OEM parts, providing a straightforward path for customization.
Arctic Cat Fixed Steering Post Conversion
The Ideal Steering Post Configuration
The ideal steering post configuration depends heavily on the rider's height, riding style, and the type of terrain encountered. When standing on the sled with arms bent at a 90-degree angle, a vertical post can maximize efficiency by aligning the rider's arms with the steering post. This alignment facilitates the greatest transfer of energy for steering input.
However, it's essential to consider the rider's stance during various maneuvers, such as carving through a field. In these situations, the rider often leans to the side, pulling down on one bar to countersteer. A slight backward lean of the bars from vertical can be advantageous, allowing the bars to gyrate around the mounting point, providing leverage for carving.
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Here's my thought. If you have a verticle post (M and dragon) and your arms when standing on the sled go down and your elbows are bent directly at a 90* angle, your gonna be the most efficient possible, your arms are working directly in the line of action for a greatest moment about your stearing post, now if your to tall or two short for your given handlebar configuration, add in that angle and now your not gonna get as much of that engery in the moment, its going to be putting force directly into the post mounts doing nothing for your steering. This is the ideal situation, IMO, for standing straight up over the center of the sled.
Althought this is the most ideal for energy transfer, you must also consider the most efficient stance of a rider.. Given this thought, say you are carving throught a field. Your now throwing your mass of the side of the sled, and usually down lower to the snow compared to normal, now your not only twisting around the bars, but your also are pulling sort of down on the one bar in your effort to countersteer and maintain your carve. For this reason, I like my bars leaned slightly back from totally verticle, this causes them to gyrate around where the bars mount to the steering post.
A great example of how this setup is beneficial and why I like it. I have the top of my post moved forward on my RT, thus, closer to verticle, and my bars angle up and lean just back from verticle. Because the bars are not inline with the post, it creates the kind of gyration I spoke about in regards to the steering post. A lot of this turns into a very wide bar swing and a pain to handle as there is to much movement, but a little (like mine) allows you to lean backand to the side in a carve basically pulling against one side of hte bars.
This setup allows me to carve with my up hand(the one away from the snow) pulling, and my inside arm can push a little for more countersteer, but I can take the inside hand off no problem and just lean against the sled with one arm. This is really fun as you can carve and wave and do whatever. I CANNOT for the life of me generate enough rotational force on an M sled to do the same, I have to pull down and back to much for one arm to handle. My post angle isnt nearly as flat compared to a nytro, but is a LOT steeper then a M or dragon.
I feel like its a fine balance, and the nytro is to flat, the bottom of the post is to far out causing the post angle to be to shallow, thus making it almost impossible to allow any efficeint transfer of engery without moving the top of the post way to far forward to comfortably ride... And I dont think I really said anything besides I dont like how M's dragons, or nytro's are setup.. I like mine.. but the nytro;s are definately the most strange to me.
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Nytro Steering Post Considerations
The Nytro's steering post configuration is often considered unique, with some riders finding it less intuitive than other setups. The shallow post angle, resulting from the bottom of the post being positioned too far out, can hinder efficient energy transfer. While aftermarket solutions like forward relocator kits exist, achieving a comfortable and effective riding position may require careful adjustments and experimentation.
It looks like a U joint type connection to change the post angle.
Table: Comparison of Steering Post Types
| Steering Post Type | Common Models | Riding Style | Advantages | Disadvantages |
|---|---|---|---|---|
| Vertical | Viper MTX, Mountain Sleds | Off-trail, Standing | Efficient energy transfer, upright position | May not be ideal for trail riding |
| Laydown | Trail Models | Trail, Seated | Comfortable seated position | Less efficient for standing and aggressive maneuvers |
| Angled (Nytro) | Nytro | Varies | Unique feel, potential for customization | Can be less intuitive, requires adjustments |
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