Arctic Cat Riot 858 Sno Pro reference image

Reference image; pictured color, equipment and model year may differ from the researched configuration. Confirm the actual machine before purchasing.

2026 · Crossover

Arctic Cat Riot 858 Sno Pro

Research-based model profile

Price not confirmed

Published U.S. price where confirmed—not an out-the-door quote or availability guarantee.

Read the source notes below
Manufacturer reference →

What this model is for

Riot 858 Sno Pro combines AWS 39, CROSS-ACTION rear suspension and AC5S shocks with a 146-inch Hurricane track. Its 1.75-inch lugs and adjustable 38–40-inch ski stance provide concrete comparison points against Switchback Escape IFS. The separate ATAC model adds different shocks; Sno Pro does not imply electronic damping.

For recurring mixed trips, review the low-snow approach and lubrication requirements before buying traction accessories. The shared manual's caution against studding lugs over 1.6 inches is directly relevant to the listed Hurricane profile. Confirm Sport versus G8 gauge in the quote and compare with Backcountry's longer selected build only after recording track width, profile and actual route needs.

Desk research checked 2026-10-01. This is source-based buying analysis, not a ride test. Methodology & corrections

Coverage status: documented. 2026 Riot 858 Sno Pro, electric start, AC5S shocks, 146 x 15 x 1.75-inch Hurricane; Sport/G8 gauge choices.

Consider it if…

  • Mixed-terrain buyers seeking conventional AC5S damping and the 146/1.75 track.
  • Buyers comparing front stance and track profile with other crossover packages.

Understand the compromises

  • ATAC equipment is a separate configuration.
  • Published estimated dry weight does not resolve gauge-option weight or actual loaded mass.

Specifications, with context

“Not confirmed” is an evidence gap, not a zero. Weight definitions, optional equipment, track choices and model years can change a comparison.

SpecificationValueBasis & limitations
Model year2,026The first linked manufacturer source explicitly identifies this model year.
Engine858 cc C-TEC2 two-stroke2026 Riot 858 Sno Pro, electric start, AC5S shocks, 146 x 15 x 1.75-inch Hurricane; Sport/G8 gauge choices.
Displacement858 cc858 cc, manufacturer-authored MY2026 booklet page 15.
HorsepowerNot confirmedNo exact manufacturer horsepower established for this 2026 configuration.
Weight469 lb469 lb estimated dry on the Sno Pro page; not the ATAC page's 478 lb and not a ready-to-ride measurement. Gauge choice is not separately weighed.
Track length146"146 inches with 15-inch width and 1.75-inch lugs in booklet page 15; EU code S2026COJRSEUB also identifies 146/1.75.
Published price (USD)Price not confirmedNo 2026 US MSRP established. The replacement website's 2027 MSRP is not evidence for 2026.

Equipment to understand

  • AWS 39 front suspension
  • CROSS-ACTION rear suspension
  • AC5S shocks
  • 146 x 15 x 1.75-inch Hurricane track

Equipment can be package-specific. Match the listing, order sheet and model-year documentation rather than relying on a shared model-family name.

Questions to take to the seller

  1. Is this Sno Pro or the separately listed ATAC model?
  2. Which regional model code and track profile are fitted?
  3. Can the seller document original suspension and any later modifications?

Use the buying worksheet to compare complete quotes, and the specification guide to check whether the figures use the same basis.

Calculate ownership costs and compare itemized dealer quotes →

Sources & research limits

These references support the notes above to the extent described. A current manufacturer page is not automatically proof of an older model-year specification.

  • Arctic Cat 2026 model archiveModel-year identity: Riot 858 Sno Pro and Riot 858 with ATAC are separate archive entries.
  • 2026 manufacturer operator manualRead all four extraction chunks through Reference Information: shared ZR/Riot/M 600/858 manual, p/n 653-00054, 6/25. EU model codes, track restrictions and service sections reviewed; no configuration-level displacement, MSRP or dry-weight sales table. Some graphic labels extract poorly.
  • Current manufacturer family pageThis URL presents 2027 products. It is a retrieval limitation, not a source for this record's 2026 figures.
  • Arctic Cat MY2026 specification booklet — third-party-hosted copyArctic Cat-branded, ©2025 booklet linked by ArcticInsider. Read the complete extraction and cross-check native PDF text. Page 15: 858 cc, 469 lb estimated dry, AWS 39, CROSS-ACTION, AC5S and 146 x 15 x 1.75 Hurricane. Manufacturer-authored evidence on a third-party host; specifications subject to change.

Have model-year documentation that resolves a gap? Send a source correction. For service, recalls or operating limits, use the exact owner’s manual and an authorized dealer.

Alternatives—and why to compare them