Our new search experience requires JavaScript to be enabled. Please enable JavaScript on your browserthen try again. Save rotax engine to get e-mail alerts and updates on your eBay Feed. Unfollow rotax engine to stop getting updates on your eBay Feed. You'll receive email and Feed alerts when new items arrive. Turn off email alerts.

Skip to main content. Refine your search for rotax engine. Refine more Format Format. Items in search results. Search refinements Categories. Automotive Snowmobile Parts Motorcycle Parts 4. Boat Parts 1. Format see all Format. All Listings filter applied. Buy It Now. Brand see all Brand. GOLDfren 1. Rotax 3.In many ways, Austrian manufacturer Rotax's signature two-stroke engines are just like any other two-stroke out there; they work in the same basic way, have all the same basic parts and do all the same things.

But Rotax engines have long been known for their enormous power output relative to weight and displacement. Like most things Austrian and German, the secret is all in its engineering and attention to detail. A two-stroke engine works by using the piston to cover and uncover intake and exhaust ports in the cylinder walls, instead of relying on a camshaft and valvetrain like a four-stroke engine.

Starting at the top of th piston's stroke, an explosion of air and fuel shoves the piston down. As the piston goes down, it uncovers the exhaust port, which releases exhaust gases from the cylinder.

Next, the piston uncovers the intake port -- opposite side of the cylinder from the exhaust -- and allows fresh air and fuel to enter the cylinder. The inertia of escaping exhaust gas sucks air and fuel through the intake port. Inertia drives the piston back up, covering both ports and compressing the air-fuel mixture against the cylinder head. The spark plug ignites that mixture and the cycle begins again. Rotax engines are known for power an reliability, but the approach Rotax uses seems a bit antithetical to the one used by most two-stroke manufacturers.

Horsepower is a function of torque and engine rpm; if you have more rpm, you need less torque, and vice versa. So, the simplest way to increase horsepower is to run the engine at higher rpm. In the karting world, Yamaha KTS models typically rev to about 16, rpm and Leopard engines to about 17, rpm. The equivalent Rotax BRP makes the same or more horsepower revving to a comparatively tame 13, rpm. That might seem like a bad thing, but the end result is less engine wear and a flatter, more useable torque curve.

In many ways, the Rotax engine's power valve is the secret to its success. The power valve works something like a VTEC system in a four-stroke engine, altering intake and exhaust valve timing according to rpm.

But a two-stroke engine doesn't use valves like a four-stroke engine does; its intake and exhaust valve timing is dictated by the height and position of the intake and exhaust ports. So the only way to alter timing is to physically change the size of the ports. The Rotax's power valve is essentially a plate that drops down from the top of the exhaust port opening.

With the PV in the closed position, the port roof is lower and the port is smaller, which works better at low rpm. At about 7, rpm, the PV rises, lifting the port roof to boost top-end horsepower. Rotax is one of the few two-stroke manufacturers in the world to religiously use roller bearings for every rotating component on the engine. The ends of the crankshaft, the crankshaft-to-rod pin and the piston pin all use precision-engineered roller bearings instead of the conventional flat bearing.

Roller bearing assemblies are more expensive, more complicated and more difficult to engineer, but they also offer far less resistance to movement, increase engine longevity and lower temperatures than flat bearings. At 10,plus rpm, roller bearing assemblies can make a huge difference in power and engine wear, and they're part of what allows the Rotax engine to make power at lower rpm than equivalent engines.

When exhaust gases escaping the two-stroke's cylinder pull air-fuel through the cylinder, they almost inevitably pull a certain amount all the way through the cylinder and out through the exhaust port. A "tuned exhaust" uses an expansion chamber, which looks like two cones placed base-to-base, to catch pressure waves coming out of the engine and bounce them back toward the motor. At a certain rpm, these pressure waves will coincide with the air-fuel charge coming through the exhaust, shoving it back into the engine and "supercharging" the motor.

Again, Rotax isn't the only manufacturer to use tuned pipes, but it is one of the few manufacturers to use completely fixed pipes that don't allow for user adjustment.

This is so the end-user can't play with exhaust tuning, which would mess up power valve and electronic ignition timing. Rotax engines also use a reed valve in the intake, just after the carburetor.

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The reed valve is a triangle-shaped screen that acts as a one-way valve, keeping air pressure in the engine from working its way backward through the carburetor. Rotax engines also typically use breakerless, capacitive discharge, fully-electronic ignitions sourced from motorcycle builder Ducati. Rotax engines don't have too many problems compared with others, but the power valve does create one distinctive quirk in the driving experience.

Rotax racing engines, those used in karts and snowmobiles, often hesitate a bit after exiting a corner. This hesitation mimics a carburetor or ignition problem, but is actually a result of the PV quickly closing and opening. Rotax drivers have to adopt a slightly different driving style than operators of other engines, smoothly feeding in the throttle rather than just flooring it upon corner exit.This site stores cookies on your device in order to build a profile of your interests and show you relevant ads on other sites.

By continuing to browse this site, you agree to the use and storage of cookies in accordance with our Cookie Policy Privacy Policy. You may modify your cookie settings at any time. If you continue to use the website, you agree to the use of cookies. An authorized Ski-Doo dealer will contact you shortly. BRP Rotax engines are known as industry-defining power plants with strong, responsive power delivery, leading fuel and oil economy, and an indisputable reputation for reliability.

Regardless of your needs, from heart-pounding horsepower, to clean, efficient utility strength, there's a BRP Rotax engine designed specifically for your needs. The first factory produced 2-stroke turbocharged engine - ever. Heart-pounding power and response is at your fingertips to take the ride further than ever before.

Rotax Powertrains

No aftermarket parts, no tuning, no installation - just ride. Deep down you know what it feels like, what it looks like, you even know what it tastes like. You may think you know what it sounds like, but you've never heard That Ski-Doo Feeling sound like this. Delivers a worry-free ownership experience with the Rotax reputation for durability and longevity.

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The pDrive primary clutch utilizes a roller design for reduced friction, which means a quicker, more consistent response to throttle input. It offers more responsive, dynamic performance and 5 more HP than its predecessor — all while keeping its reputation for leading reliability and fuel and oil usage.

The most powerful 2-stroke engine in the industry. Direct-injection technology mill pumps out big power while delivering up to 19 mpg Excellent oil consumption, plus easy throttle pull, linear power delivery and virtually no smoke or smell. Proven and recognized by riders for reliability. Preparing for the off-season is easy with built-in automatic summerization function.

This groundbreaking, direct-injected 2-stroke delivers it all, making it the standard all other engines — of any type — are judged against.

The inline triple with EFI delivers hp; intelligent Throttle Control iTC significantly quickens response, especially when blipping the throttle. In addition to increased performance, it gets outstanding fuel economy, up to 19 mpg A lightweight muffler delivers a throaty performance sound.

It's torquey performance has made it a favorite on the trails. In-line EFI four-stroke twin with 60 hp and ultra-low maintenance. Model Model. Contact Information. Select one model of the MXZ family. Select one model of the Renegade family. Select one model of the Backcountry family.

Select one model of the Grand Touring family. Select one model of the Summit family. Select one model of the Freeride family. Select one model of the Expedition family.

Select one model of the Skandic family.Installation Manual.

rotax 500

Line Maintenance Manual. Operators Manual. Flydat Users Guide.

rotax 500

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Mogas then 4 months non use Going for paint this weekend, but using mogas. Been told when I shut down do Low oil temperature post operation of about 02 hours After starting the a engine, the temperature is raising normally. The oil First start of day hard to turn over I am new to the Rotax world. I have about 40 hours on a S big bore.This site stores cookies on your device in order to build a profile of your interests and show you relevant ads on other sites.

By continuing to browse this site, you agree to the use and storage of cookies in accordance with our Cookie Policy Privacy Policy. You may modify your cookie settings at any time. If you continue to use the website, you agree to the use of cookies. BRP Rotax engines are known as industry-defining power plants with strong, responsive power delivery, leading fuel and oil economy, and an indisputable reputation for reliability.

Regardless of your needs, from heart-pounding horsepower, to clean, efficient utility strength, there's a BRP Rotax engine designed specifically for your needs.

The first factory produced 2-stroke turbocharged engine - ever. Heart-pounding power and response is at your fingertips to take the ride further than ever before. No aftermarket parts, no tuning, no installation - just ride.

Deep down you know what it feels like, what it looks like, you even know what it tastes like. You may think you know what it sounds like, but you've never heard That Ski-Doo Feeling sound like this.

Delivers a worry-free ownership experience with the Rotax reputation for durability and longevity. The pDrive primary clutch utilizes a roller design for reduced friction, which means a quicker, more consistent response to throttle input. It offers more responsive, dynamic performance and 5 more HP than its predecessor — all while keeping its reputation for leading reliability and fuel and oil usage.

The most powerful 2-stroke engine in the industry. Direct-injection technology mill pumps out big power while delivering up to 19 mpg Excellent oil consumption, plus easy throttle pull, linear power delivery and virtually no smoke or smell.

Proven and recognized by riders for reliability. Preparing for the off-season is easy with built-in automatic summerization function. This groundbreaking, direct-injected 2-stroke delivers it all, making it the standard all other engines — of any type — are judged against. The inline triple with EFI delivers hp; intelligent Throttle Control iTC significantly quickens response, especially when blipping the throttle.

In addition to increased performance, it gets outstanding fuel economy, up to 19 mpg A lightweight muffler delivers a throaty performance sound. It's torquey performance has made it a favorite on the trails.Laverda Museum Collection de Maurice Chapleur One of the most important veteran collections in the world.

It was incorporated into the Sachs group in and moved to Schweinfurt. In it was moved to Austria where, init merged with Lohner-Werke.

Rotax Engines

Lohner-Rotax was purchased by Bombadier of Canada in and built twostrokes for the various Bombadier machines. In they built their first fourstrokes. Rotax have been responsible for many highly successful engines including those which power BMW's F, the narrow-angle V-twin in Aprilia 's formidable Mille and its successors, numerous twin-cylinder twostrokes used in powered hang-gliders and a range of horizontally-opposed four-cylinder aero engines.

Rotax engines are also used in numerous gokarts and in Skidoo and Bombardier snowmobiles. Rotax fourstroke singles are used in the extremely robust Armstrong motorcycles, both civilian and military, and in modern Buell and MZ machines. Aprilia won three world championships with Rotax two-strokes, and also use their fourstroke singles to good effect in the Pegaso.

Rotax UK. Login using FB, Twitter etc. European Marques at Bikelinks. Scam Warning. Buying or selling? Beware of fraud. More Information Chapleur Collection. Rotax Engines Rotax V water-cooled engine.

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Go to comments Click the image for a clearer view. Classic Motorcycle Books. Austrian Marques. An index to many of the amazing galleries on his site is available here: Phil Aynsley's Motorcycle Photos.Make Polaris.

If you're looking for a leisurely cruise through the woods, you might want to click over to a different page. The MX Z was built for those who prefer to ride with their hand on the throttle and their heart in their throat.

When you combine that kind of power with the lightweight, yet 37 percent stronger, REV-X platform, you get quicker acceleration and an incredible level of responsiveness. Plus, thanks to eight inches of extra legroom, you'll enjoy greater maneuverability and comfort. It's a machine that'll make you want to blaze a trail to your nearest dealer.

Classic Dirt Bikes 1983 500 Armstrong/Rotax

Want even more? They feature state-of-the-art shock packages and race-inspired parts, like brake pads and steel-braided brake lines, that up their performance quotient. Plus, they have other race sled parts and unique color and decal schemes. Dealer serviced and ready to hit the trails!! Make Hisun Motors.

Model Forge Great reputations can only be gained by traveling the toughest trials and completing the most daunting tasks. Hisun ATV s are up for the challenge.

An electronic fuel injected engine is at the heart of every one of our Utility ATV s transferring its power through an automatic CVT drive system. Hisun ATV s will take you to places you ve only dreamed without taking your wallet for a ride. Make Kawasaki. Clean, low mile cruiser in on consignment! Low seat height with good power makes this perfect for a starter bike or for affordable transportation.

Come see at Premier Powersports. Phone Price does not include tax or license.

rotax 500

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