Avoiding Avalanche Terrain Traps
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Scott Rhodes
Pro vs Khaos RMK: Test Rider Reports
Plus: 146 or 154?
Clutch Tuning Tips
Shredder vs Freeride
October 2023
October 2023
SnoWest logo
THE AUTHORITY FOR WESTERN SNOWMOBILING
Features
18
PRO RMK VS RMK KHAOS

Subtle Differences, Unique Riding Styles
24
THE TURBO FACTOR

Track Length Choice 146 VS 154
32
KICKIN’ COUSINS

Lynx Shredder VS Ski-Doo Freeride
38
AVALANCHE TERRAIN TRAPS

How To Recognize Dangerous Situations
44
DYI TUNING

Simple Adjustments, Consistent Performance
48
HAY DAYS 2023

Highlights From The September Weekend
56
BACK OF THE PACK

Size Matters: Riding Style, Snow Conditions
Cover

The 2024 Pro RMK and Khaos RMK get better and better. Find out what our test riders think of each version.
Photo: Ryan Thompson for SnoWest

Contents

Test rider Broc Genta wrangling the 2024 Lynx Shredder RE in deep Montana powder.
Photo: Ryan Thompson for SnoWest

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SnoWest Magazines 50 Years
Dedicated to the western mountain snowmobiler
Sled Tests. Gear Reviews. New Model Releases. Industry News. Events. New Products.
Snowdust
On the Prowl
The 2024 Arctic Cat Catalyst M 600 got so much attention last spring that its orders sold out in hours. With a bigger 858 engine on the way, will this be the n/a sled to beat for 2025? Time will tell.
Rider: RILEY KINCAID
Location: Montana
Photo: Ryan Thompson for SnoWest
On the Prowl
The 2024 Arctic Cat Catalyst M 600 got so much attention last spring that its orders sold out in hours. With a bigger 858 engine on the way, will this be the n/a sled to beat for 2025? Time will tell.
Rider: RILEY KINCAID
Location: Montana
Photo: Ryan Thompson for SnoWest
Snowdust
Seeing the forest for the trees
Mason Rutledge finds a blank space for our Nikon lens on the 2024 Ski-Doo Freeride Turbo R.
Rider: MASON RUTLEDGE
Location: Montana
Photo: Ryan Thompson for SnoWest
Seeing the forest for the trees
Mason Rutledge finds a blank space for our Nikon lens on the 2024 Ski-Doo Freeride Turbo R.
Rider: MASON RUTLEDGE
Location: Montana
Photo: Ryan Thompson for SnoWest
The Avalanche Alliance Sweepstakes
Snow Report
Avalanche Alliance Sweepstakes Kicks Off
The Avalanche Alliance 2022 sweepstakes raised over $75,000 for motorized community safety, including $45,000 awarded to seven U.S.-based Avalanche Centers and an additional $30,000 in motorized community scholarships for the upcoming snow season. Now in its fourth year, the Avalanche Alliance sweepstakes unites snowmobilers, snowbikers, manufacturers, avalanche centers and riders in a collective effort to endorse avalanche safety initiatives.
 Avalanche Alliance side view
Pro RMK vs
Khaos RMK
Subtle differences create
unique riding styles
By Steve Janes
justin
stevens
Pro RMK vs Khaos RMK
Subtle differences create unique riding styles
By Steve Janes
The hardest choices to make are the ones where there are no bad choices … which makes choosing between the Polaris Pro RMK and RMK Khaos very difficult. You can spend a lot of time trying to sort out the subtle differences, but however you decide, you will make a great choice.

Although both the RMK and the Khaos are designed for deep snow, their riding styles are uniquely different. The RMK wants to stay level as it climbs up out of the snow. The Khaos wants to bring the front end up out of the snow for a more playful ride. Two major factors contribute to this different ride feel. The first is that the Khaos model rail design has a steeper approach which allows for quicker weight transfer. This allows the front to lift, allowing the sled to change directions instantly. The second is the shock package—the RMK features WER Light while the Khaos has WER Velocity Hi-Lo shocks. The Velocity Hi-Lo shocks are designed to handle bigger bumps and jumps.

The Turbo
Factor
Track length choice
between the
146 and 154

By Steve Janes

MASON
RUTLEDGE
The Turbo
Factor
Track length choice
between the
146 and 154

By Steve Janes

For the past three decades, when it comes to track lengths mountain riders have been screaming “bigger is better.” However, with the new technology in tracks and sled designs, some of the younger, more aggressive riders have discovered that the 146-inch tracks can be a lot of fun in the steep and deep.

Although flotation rules in deep snow, track speed and quick spins have ushered in a new style of riding. It’s no longer a “point and shoot” your way to the top. The instant change-of-direction riding style where riders throw their leg out and step into a 90-to-270-degree spin and keep moving forward has become part of mountain riding. And there’s no better track length than a 146 to facilitate this maneuver.

All five manufacturers—Ski-Doo, Polaris, Arctic Cat, Yamaha and Lynx—carry crossover models that are based on the 146-inch track. Most of them have integrated the 146 track into their mountain line.

justin
stevens
Lynx Shredder vs
Ski-Doo Freeride
Kickin’ Cousins — Similar power
but very different ride
By Steve Janes
The Lynx Shredder and Ski-Doo Freeride might share the same DNA when it comes to the Rotax engine, front suspension and platform design, but when it comes to handling and ride, these two snowmobiles are very different.

The Ski-Doo has been a mainstay in the North American market. Even though it’s a Canadian product, it has assimilated into the U.S. culture by adapting inches and pounds into the spec sheets of Ski-Doo models. Lynx, coming from a Scandinavian market, has maintained its metric measurements, forcing us to figure out the metric conversions. (That’s okay, there are website conversion tables that make that easy.)

Avalanche

Terrain Traps
How to recognize
dangerous situations
By Mike Duffy, Avalanche1.com
Why is this a terrain trap? The avalanche lands on a flat surface making for deeper deposition and burial. The flat area is a lake. The weight of the avalanche will drop the ice and water will flow through the cracks saturating the snow. It makes for a slower and much more difficult rescue.
It’s bad enough to get caught in an avalanche, but a terrain trap will decrease your chances of survival and make it more difficult for rescuers. Recognizing terrain traps is one of the most important skills when riding in avalanche terrain. Where will the avalanche take you? The better avalanche to get caught in is one where the slope gradually levels out, the avalanche does not take you into stationary objects, allows the debris to fan out and not result in a deep burial. This is rare terrain in many riding areas.

Terrain traps should be considered when going on or under a slope. Some avalanches will still have deep burials even when fanning out. If buried more than 6 feet deep, the chances of surviving are slim. Terrain traps can also lead to significant trauma.

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dyi tuning
Simple adjustments deliver consistent performance
By Steve Janes
Most snowmobilers are reluctant to stray too far from how their dealer set up their snowmobile. After all, the sled comes out of the factory with solid recommendations on setup that allow dealers to deliver the best product possible for the broadest range of use for the consumer.

However, we all don’t ride in the same snow conditions and our riding styles vary greatly. So there’s always room to tweak things to be more rider-specific. The challenge is to know what we can tweak and how we can tweak it.

Jerry Mathews, operations manager for Starting Line Products, offers some simple suggestions for snowmobilers who are confident in making basic adjustments to their snowmobile.

Number one thing is belt deflection. “I commonly see snowmobilers who just don’t’ understand belt deflection or setting it too tight,” Mathews explains. Although most dealers set the deflection when you buy a new sled, as the belt wears, or when you change belts, you need to check to see if it’s still adjusted correctly.

HAY DAYS 2023

Highlights from the September weekend
By Brady L. Kay
Often referred to as the “official start of winter,” Hay Days never disappoints as thousands converge on a massive field near North Branch, Minn., each September to welcome in the upcoming snow season. Since 1976, the Sno Barons Hay Days Grass Drags and Swap Meet has been snowmobiling’s most-attended annual event and the main gathering point to celebrate our industry. The show, which includes more than 30 acres of space, attracts snowmobilers from across the North American snowbelt to see the sights, eat state-fair-like food, catch some racing, buy snow gear and generally get ready for the winter that is ahead. And while seeing snow in September is nearly unheard of, all of this takes place the weekend after Labor Day in hopes the white stuff will soon follow. Here are some of the highlights.
Back of the pack
SIZE
MATTERS
FACTORING RIDING STYLE, SNOW CONDITIONS
By Steve Janes
SIZE
MATTERS
FACTORING RIDING STYLE, SNOW CONDITIONS
By Steve Janes
The common misnomer for snowmobilers when it comes to track size is “the bigger the better.” The word in that phrase that needs to be defined is better.
Better for whom?
Most snowmobilers want a balance of traction, flotation and handling. Handling can be compromised by track length. Flotation can be affected by lug profile. Snow conditions and riding styles play a role in finding the proper balance.

Dry deep powder encountered in the Intermountain West requires more surface area to improve flotation. Coastal snow that has a high moisture content requires less surface area for flotation. Open hillsides are more about track speed … which is affected by track length and profile. And none of this matters if you seldom leave the trail.

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Snowdust
Rocky Mountain King
Cal Larsen, Snowmobile Engineering Director for Polaris, loves putting the sleds through the paces in the mountains.
Rider: Cal Larsen
Location: Montana
Photo: Ryan Thompson for SnoWest
Rocky Mountain King
Cal Larsen, Snowmobile Engineering Director for Polaris, loves putting the sleds through the paces in the mountains.
Rider: Cal Larsen
Location: Montana
Photo: Ryan Thompson for SnoWest
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Thanks for reading our October 2023 issue!