2001 Polaris Supersport 550 Fan Cooled Snowmobile World


LOT 1288B 2002 Polaris 550 Fan Trail Touring GEN II 2 Snowmobile YouTube

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2004 Polaris Trail Touring Fan Cooled Twin 550 La Scie, Newfoundland

Ski-Doo developed the new eDrive from its sister Can-Am ATV line and has expanded the eDrive concept to handle the all-new ACE 900 four-stroke. Ski-Doo's fan-cooled MXZ Sport 550 offers the most rear suspension travel at 15-inches. Arctic Cat's F570 combines older ACT Diamond Drive technology with the Suzuki-sourced 565cc twin.


Phazer. A light, fan cooled sled. Vintage Sled, Snow Machine, Four

The engine was a completely new design and became a prototype for the entire snowmobile industry. The engine is an axial fan-cooled design with the fan mounted at cylinder level and driven by a V-belt from the flywheel. The engine also has the cylinders "twisted" to each side to allow the transfer passages to overlap between the cylinders.


The Fancooled TwoStroke Lives On

A fan-cooled snowmobile engine takes this design a step further. The cylinder heads have the same type of fins to catch airflow, but because of engine size, the fins alone can't bleed off heat fast enough to cool the engine quickly enough. The fix is to add a fan to the engine, increasing airflow to achieve proper cooling.


The Fancooled TwoStroke Lives On

[Comparison] - PowerSportsGuide What is Better a Fan-Cooled or Liquid-Cooled Snowmobile? [Comparison] Written by ppguide Maintenance Snowmobile Many say that liquid-cooled snowmobiles are better than fan-cooled, as they are more powerful, more fuel-efficient, and last longer. Others argue that fan-cooled sleds have their own advantages.


550 Fan Cooled Engine Polaris Snowmobiles Canada

Two types of sleds, advantages and disadvantages to each. Which one's better? Is one better? In this video let's talk about how liquid cooling and fan coolin.


1998 Artic Cat Jag 440 fan cooled Snowmobile Forum Your 1

The Liberty 550 engine is fan-cooled to provide consistent power, regardless of snow conditions. The clutching is equipped for smooth engagement and enhanced low-speed drivability. The Right Tool for the Job The Voyageur 550 is available in two distinct versions. Choose from the nimble Voyageur 144 or added flotation of the Voyageur 155.


T570 570 fan cooled review Arctic Cat Forum

From the old world, the 550 Indy retains a fan-cooled two-stroke twin complete with dual Mikuni carburetors. No electronic fuel injection for this sled. You still need to flip a fuel enriching choke lever for cold starts. Electric start is useful, but optional.


2001 Polaris Supersport 550 Fan Cooled Snowmobile World

The fan I used is a 9 inch engine cooling fan from JC WHITNEY 1-800-529-4486 {catalog part number 38KS301N}. This particular fan pulls the air which is needed in this installation. The cost of the fan is $59.95 plus shipping. The fan comes with a switch but you'll need some extra wire. This picture shows a modification to the air intake.


550 Fan Cooled Engine Polaris Snowmobiles Canada

A fan cooled machine can be just fine at warm temps unless you push it to its limits. The FC engine does not put out as much horsepower as a L/C so trying to make it do the same thing as an L/C is bound to cause it to have problems. This is no different than expecting a 400 L/C to do everything a 700 L/C can do though.


The Fancooled TwoStroke Lives On

#1 ยท Nov 23, 2009 Inwas wondering what's then biggest / best and reliable fan cooled motormout there. Don't care of what brand. I have a 488 fan and it has 1350 mile on it. And want to go faster. I know lighter is faster in some cases.


The Fancooled TwoStroke Lives On

Overall the 550 Indy models are anachronistic at best with their throwback fan-cooled two-stroke engine and effective but simple drive. The value 550 Indy models squeeze a tall canister exhaust under the hood to quiet the air-cooled two-stroke. We may be in the minority as we like the Fuji-sourced 544cc fan-cooled twin that Polaris uses for power.


Polaris INDY 550 LXT Fan Cooled Trail Sled YouTube

1. Cost One of the first things to consider when comparing the two types of cooling systems is cost. Fan cooled engines will be a lot cheaper than liquid cooled models. There are fewer components and parts, which helps keep the cost down. But fan cooled options do have limitations that might outweigh their cheaper cost.


Skidoo Tundra 550 Sport Fan Cooled Yukon Wide Adventures

The utility snowmobile is a heavy-duty sled specifically designed for work purposes. Utility snowmobiles feature a solid and durable chassis and suspensions, racks or other cargo solutions, and many work-related accessories. They are powered by a 550-850cc 2-stroke or a 600-1050cc 4-stroke engine, which propels an extra-wide, 20-inch track.


T570 570 fan cooled review Arctic Cat Forum

The Polaris 550 fan-cooled snowmobile engine use the CVTech Powerbloc 50 drive clutch and Invance driven clutch delivering a smooth engagement, enhanced low-speed drivability, and quieter operation. They have a maintenance-free design and are easy to tune while on the sled.


550 Fan Cooled Engine Polaris Snowmobiles Canada

Surprisingly, you can still find fan-cooled snowmobiles on the market, which simply use a fan to keep their engines cool. Although both systems do a good job, they tend to overheat under certain conditions. In this post, we will discuss these cooling systems.

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