2023 Mountain Max 800 154 ES

The game-changer.

In this remarkable snowmobile, the cutting-edge design of the suspension and track systems, developed over many hundreds of testing hours, is perfectly matched to its innovative, exciting and free-revving power unit, to deliver a genuinely unprecedented mountain climbing and deep snow experience.

Of course, as with any model in the Yamaha line-up, the world knows that equal amounts of care and attention to detail will have been devoted to the precision of the steering, the comfort of the seating and the practical facilities - not to mention luxuries - that play such a key part in the riding experience.

At a glance

  • 794cc dual-stage EFI 2-stroke with digital CDI
  • Mountain Single Beam rear suspension
  • Drop rolled chain case and lightweight tunnel
  • Fox® 1.5 Zero QS3 rear shock package with lock-out
  • Premium Fox® 1.5 Zero QS3 adjustable front shocks
  • 154" Camso® Power Claw track - for power and drive
  • Lightweight 36-inch Independent Double Wishbone front suspension
  • Mountain-specific lightweight aluminium chassis
  • Wide, stable single-keel Yamaha Mountain skis
  • Electronic push-button reverse & electric starting
  • Adjustable Handlebar & thumb warmers
  • Stylish digital gauges with controls on handlebar

Mountain Max 800 154 ES

Being out on the trail or in the powder, for work or play, is one of life's great feelings - creating emotional moments to linger long in the memory - so enjoy our snowmobiles. Each one is designed to deliver world-beating performance, unmatched handling and supreme comfort - with economy and reliability.

Mountain Max 800 154 ES
360° quick view

    Key Features

    Features Gallery
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      794cc 2-stroke with digital CDI

      This lively twin-cylinder, 2-stroke engine really delivers the power to make the Mountain Max fly - up hills and across the deep stuff. With sophisticated digitally controlled ignition, as well as electronic fuel and oil injection systems, peak performance is on hand in all conditions, providing reliable power to haul you through the deepest snow and get you home safe.

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      Mountain Single beam suspension

      For exceptional handling in deep and steep stuff, our long-travel system has a light but strong single-rail skid running down the track centreline, with a skid frame that pivots at the mid-point. This single rail design is around 4,5 kg lighter than a conventional dual rail system - and also reduces the build-up of heavy snow!

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      Premium shock package - it's Fox® all round!

      The Mountain Max gets the premium Fox® 1.5 Zero QS3 treatment front and rear, with a fully adjustable coil spring and gas shock set-up that enables you to quickly and easily adapt the ride to the conditions on the day - and to your own comfort and handling preferences. A mountain-specific QS3L shock features on the rear arm - with lock-out for extreme climbing.

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      154" Camso® Power Claw track - pure grip

      Perfectly tuned to the Mountain Max ES and its cutting-edge single-rail skid-frame, this powerful track's 154 x 2.6 footprint let's you master mountains like no other in its class. It even uses stouter, forward-curved paddles to provide extra lift in really deep snow. Stunning performance in all conditions, with outstanding levels of grip and back-country agility.

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      Sleek, light 36" Independent Double Wishbone front suspension

      A direct descendent of our sleek Independent Double Wishbone suspension, this system is not only ultra-lightweight, but its compact design reduces the unwanted drag of suspension components in deep snow. The neutral stance delivers great manoeuvrability in in tight terrain, while still showing polite and predictable manners on the trail.

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      Mountain steering system and skis

      The dedicated Mountain steering system features a tall post, optimised for stand-up riding, while the 5.5" riser, moulded, curved-end Mountain bar and integral strap offer the ultimate format for off-trail riding. The wide footprint of the high flotation, single-keel Yamaha Mountain skis joins in to offer unmatched handling precision in deep snow and on hard pack.

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      Ultra-lightweight Mountain chassis

      The latest-technology alloy chassis has been designed to take full advantage of the responsive, free-revving engine. In development, the focus has been on saving weight without compromising strength and durability, enabling this innovative machine to offer very nimble handling, razor-sharp agility and a comfortable, balanced ride.

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      Unique Stealth control system

      Everything on this amazing machine is dedicated to making the rider feel confident, comfortable and in control. A handy switch cluster on the left bar gives 'on-the-fly' access to the multi-step heat control for the hand and thumb warmers, the selection of read-out on the multi-function digital gauge and even control of the handy push-button electronic reverse.

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      Electric starting & push-button reverse

      From the moment you step aboard, the fun can start, thanks to the turnkey electric starting and the supreme efficiency of the EFI system. Once you're out there in the deep powder, the simple, push-button electronic reverse system comes into its own to get you out of a tight spot. The audible 'beeper' warning helps with safer manoeuvring.

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      Hand/thumb warmers & digital gauges

      Practical luxuries are a well-known Yamaha snowmobile advantage - and a great many are incorporated in the Mountain Max. Examples are the adjustable hand and thumb warmers, which are comfortingly standard, while our compact and stylish digital gauge keeps you informed with clear displays of rpm, speed, fuel and hours run, as well as important engine data.

    Technical Specifications

    Download Factsheet
    • Engine
      Type / Displacement
      2 Stroke / 794cc
      Bore x stroke
      85.0 mm x 70.0 mm
      Electronic Injection
      Intake design
      Reed Valve
      Ignition system
      Digitally Controlled CDI
      APV with tuned pipe
      Clutch / transmission
      Lightweight CVT
      Disc brake system
      Stealth Hydraulic Master Cylinder w/ light weight Caliper
    • Suspension
      Front suspension system
      Independent double wishbone
      Front shocks
      FOX® QS3
      Front travel
      178 mm
      Rear suspension system
      Mountain Single Beam
      Rear shocks
      FOX® QS3/FOX® QSL w/climb lock out
      Rear Travel
      356 mm
    • Measures / Dimensions
      Overall height
      1,270 mm
      Overall length
      3,353 mm
      Overall width
      1,130 mm
      Track W x L x H (")
      15 " x 154 " x 2.6 "
      Track W x L x H (mm)
      382 mm x 3,912 mm x 66 mm
      Track Type
      Camso® Power Claw 2,6”
      Ski stance (ctr. to ctr.)
      902 - 952 mm adjustable
      Fuel tank capacity
      40.1 L
    • Features
      Electric start
      Electric & Recoil
      Hand & thumb warmers
      Headlight watts, type
      60/55W LED
      DC output

    Uvek nosite kacigu, zaštitu za oči i zaštitnu odeću. Yamaha preporučuje sigurnu vožnju i poštivanje drugih vozača. Fotografije prikazane u ovoj brošuri prikazuju profesionalne vozače u kontrolisanim uslovima. Specifikacije Yamaha proizvoda predmet su promene bez prethodne najave i mogu se razlikovati u skladu sa zahtevima i uslovima. Za više informacija obratite se svom Yamaha trgovcu.


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