2021 SKI DOO SUMMIT X 850 TURBO 154

2021 Ski‑Doo Summit X 154 850 E‑TEC — Key Info & Specs

Overview & What's New (2021 Model Year Spring-Order Features)

• Designed for deep-snow agility with a short tunnel and lightweight snowflap for minimized drag

• Equipped with a 4.5‑inch digital display, slimmer ski spindle, revised ski stopper, smaller diameter handlebars, low grab strap, and a compact deep-snow seat

• Built on the REV Gen4 platform with narrow-design bodywork, full-length extruded running boards, and tMotion rear suspension with ice scratchers

Engine & Powertrain

• Engine: Rotax 850 E‑TEC, liquid-cooled, two-stroke eRAVE™, 2 cylinders, 849 cc displacement

• Bore × Stroke: 82 mm × 80.4 mm

• Fuel: E‑TEC® direct injection with booster injectors; requires premium unleaded (minimum 91 octane)

• Fuel tank: 36 L (9.5 US gal); oil tank: 3.4 L (3.6 qt)

• Dry weight: approx. 200 kg (441 lb) for 154‑inch model

• Clutch: pDrive™ with clickers (primary), QRS (driven); Brembo racing brake with stainless-steel braided line

Suspension & Track Details

• Front suspension: RAS 3 with HPG™ Plus shocks, 215 mm (8.5 in) travel

• Rear suspension: tMotion™ with HPG™ Plus shocks, 239 mm (9.4 in) travel & ice scratchers

• Track options include:

  • 154 × 16 × 2.5 in,

  • 154 × 16 × 3.0 in (optional)

• Skis: Pilot™ DS 3 with deep-keel design for sidehill control and optional removable tip extension

• Adjustable ski stance: 35.8 in (910 mm) standard, expanding to 37.4 in (950 mm)

Dimensions & Additional Features

• Length: 3,188 mm (125.5 in); Width: 1,080–1,110 mm (42.5–43.7 in); Height: 1,395 mm (54.9 in)

• Riser block height: 165 mm (6.5 in)

• Features include a Brembo racing brake, RER™ reverse, heated thrott