Summit Adrenaline 850 E-TEC® 146 2.5

Summit Adrenaline 850 E-TEC® 146 2.5

Description

Meet the 2027 Ski-Doo Summit Adrenaline 850 E-TEC® 146 2.5 in **Arctic Desert**—a deep-snow, mountain-minded machine that looks like it was dipped in winter sunlight and then set loose for fresh lines. It’s the kind of sled that makes you stare at the forecast like it owes you powder, because once you’ve got this Ski-Doo in the garage, “maybe I’ll ride this weekend” turns into “how early can I get to the trailhead?”

At the heart of the Summit Adrenaline is a liquid-cooled **Rotax®** twin—an 849cc, **2-stroke**, horizontal in-line setup with **reed-valve** breathing and **fuel injection**. It’s built for riders who want response that feels instant and energy that doesn’t quit, backed by **165 horsepower** and a **7,900 RPM** redline that begs for one more pull. Feeding it is straightforward: **premium** gas, with oil injection handling the mixing so you can focus on picking the cleanest route up the next face instead of fussing with jugs.

When the terrain changes from packed approach to bottomless stash, the drivetrain keeps things smooth and simple. A **Continuously Variable (CVT)** transmission pairs with **belt** drive and a **pDrive** clutch to keep power delivery consistent as conditions shift. Need to back out of a tight spot after you’ve tucked into the trees a little too confidently? It’s got **reverse**, and the classic **pull-start** keeps the whole experience refreshingly no-nonsense.

This Summit is purpose-built around the **REV Gen5** aluminum frame—light, rigid, and ready to play—wrapped in durable plastic bodywork with the practical protection you want in real snow: **belt guard**, **clutch guard**, **snow guard**, and **side cover** all in place. The stance is set at **34 inches**, giving it a planted feel while still keeping the personality sharp and willing when you’re threading through technical terrain.

Up front, the **RAS 3** independent double A-arm suspension with **8.5 inches** of travel and a **front stabilizer bar** helps it track with confidence when the trail’s choppy or the approach is set up with wind-rolled surprises. Adjustable **KYB** gas shocks (coil-over) let you dial in feel, whether you like it compliant for long days or firmer for more precision. Out back, **tMotion** rear suspension with **10.6 inches** of travel and two rear KYB adjustable gas shocks helps the sled stay composed when you’re transitioning between snow textures—light and fluffy one minute, heavier and pushed around the next.

Then there’s the reason this machine wears “Summit” on the hood: the track. A **Powder Max** track measuring **146 inches long** and **16 inches wide** with **2.5-inch** lugs is ready to paddle through the good stuff and keep momentum when the snow gets deep. It’s a setup that’s clearly aimed at riders who don’t just visit soft snow—they hunt it.

Control points are exactly where you want them for mountain riding: **manual steering** through the handlebar, a **thumb throttle**, and **rubber grips** that are also **heated** and **adjustable**, because cold hands ruin good decisions. Stopping power comes from a **Brembo®** hydraulic rear disc brake with **adjustable braking**, giving you confident modulation when the descent gets steep or the run-out gets tight.

It’s a single-seat, one-piece **vinyl** setup—simple, supportive, and focused on the rider. There’s also useful dash storage (about **3.5 L / 1 gal**) for the essentials, plus gauge-based **fuel level** and **temperature warnings** so you can keep your attention outside the cockpit where it belongs. Lighting is **LED**, and security is handled by the **DESS** engine immobilizer.

At roughly **120.4 inches long** and with a dry weight of **448 lbs** (about **530 lbs wet**), this Summit Adrenaline balances capability with a ready-to-flick feel. And in **Arctic Desert**, it doesn’t just blend into winter—it stands out like a fresh canvas waiting for the first track. If your idea of a perfect day involves deep snow, big grins, and a mountain line that turns into a story, this Ski-Doo is ready to write it.

Specifications

  • ENGINE
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    • Engine Type
      Horizontal In-line
    • Cylinders
      2
    • Engine Stroke
      2-Stroke
    • Bore (in)
      3.17
    • Stroke (in)
      3.2
    • Displacement (cc)
      849
    • Carburetion Type
      Fuel Injected
    • Horsepower (bhp)
      165
  • SUSPENSION
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    • Front Suspension Brand Name
      RAS 3
    • Front Suspension Type
      Independent Double A-Arm
    • Rear Suspension Brand Name
      tMotion
    • Rear Shock Absorber Type
      Adjustable Gas Shock
    • Front Shock Absorber Brand
      KYB
    • Rear Shock Absorber Brand
      KYB
    • Center Shock Absorber Brand
      KYB
    • Center Shock Absorber Type
      Adjustable Gas Shock
  • TECHNICAL SPECIFICATIONS
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    • Length (in)
      120.4
    • Width (in)
      40.3
    • Height (in)
      51.4
    • Minimum Ski Stance (in)
      34
    • Maximum Ski Stance (in)
      34
    • Dry Weight (lbs)
      448
    • Fuel Capacity (gal)
      9.5
    • Fuel Capacity (l)
      36
    • Engine Displacement to Weight (cc)
      1.9
    • Wet Weight (lbs)
      530
  • Color options
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    • Arctic Desert