When the pv is open, the engine produces good high speed torquepower curves that drop off rapidly just below 7500rpm. Rotax fr125 max kart engine ian williams tuning kartshop. Carb preparation assembly and adjustment procedure in depth rotax jetting theory how to tune jetting in practice. Rotax 125 junior max evo engine features out of the box the rotax 125 junior max evo engine requires no additional blueprinting or engine tuning prior to use. It takes an experienced engine builder to bring the best out of any rotax engine. In australia the class races on the mojo d2 tyre, with the engine required to meet controlled technical specifications. This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax max evo senior, minimax, micromax, supermax. Jetting rotax max kart for ios free software downloads. For extreme conditions the jetting of the carburettor can be changed in between sessions, and no longer. Rotax aircraft engines downloads rotax aircaft engines. This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax 125 max evo micro max evo, mini max evo, junior max evo, senior max evo, max dd2 evo engines, which use a dellorto.
Design of the rotax engine types 125 max evo, junior max evo. Built in austria, the engine is liquid cooled, equipped with a balance shaft, integrated water pump, electric starter and centrifugal clutch. Luckily all of the rotax max racing worldwide is done with engines that are not modified all that much from their standard settings, so the fuel requirements of. The 125cc max engine is the original max engine that started it all. Applications kart marine offroad snow aircraft onroad other. Kartmax jetting software is a tool designed for use with the rotax max fr125 sr kart engine. In order to get the weather values, the application can use the gps to obtain the position and altitude, and. Previously, all of these packages would only run on a 32bit version of windows. In the light aircraft class, in 1998 rotax outsold all. What is an ecu and how do you install it on a rotax max engine. Rotax rotax 125 junior max evo engine rotax max racing. In our technical articles library and a recent video, we have examined the process of connecting a notebook computer to the 914 turbocharger control unit so that you may calibrate or monitor it using the appropriate tlr software packages.
If you are wondering if our apps work, we can only say that thousands of drivers all over the world are. This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax max evo senior, minimax, micromax, supermax, dd2 or junior, which use a dellorto vhsb 34 xs carb. Bombardier recreational products brp use them in their own range of such vehicles. Rotalk news episode 4 rotaxs 915ispowered aquila a211 test aircraft, the scheibe sf25c falke firstever 912equipped aircraft. To the right is the evolution of the rotax concept, from the fastest engine package the dd2, 2speed to the most entry level package, the micro max, designed for ages 810 years old. Setup carburetor is sure the software more professional on the market to obtain the optimal calibration of the needle carburetor in the 2 stroke engine for every weather or track condition.
Jet, needle clip and plug type for dd2, senior, junior, mini and micro max karting engines. Now its easy to setup a rotax max fr125 kart engine. Arrow bmax chassis with rotax max junior engine with valid u. The standard setup of the carburettor covers nearly all operating conditions. Feb 24, 2014 jet, needle clip and plug type for dd2, senior, junior, mini and micro max karting engines. Rotax engines have a long history of quality and ease of use. Image of rotax fr125 max engine click on image to view dyno curve, or a number chart is here image of rotax engine logo.
The rotax max jetting guide app is designed to assist users with setting up the recommended main jet based on the ambient conditions and. Magnum motorsports has a reputation for quality engine building. This app can obtain automatically the position and altitude to get the temperature, pressure and humidity from the. Download jetting rotax max evo kart and enjoy it on your iphone, ipad, and ipod. This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax max evo senior, minimax, micromax, supermax, dd2 or junior, which use a dellorto vhsb 34 xs carb to get the best performance.
With the 125 junior max engine, you can have your first international racing experience. Jetting rotax max kart for ios free download and software. Jetting max kart for rotax max evo for ios free download. They have been involved with rotax max engines since the inception of the. Kartmax pro, rotax jetting app, video tutorial youtube. This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax 125 max evo. In order to get the weather values, the application can use the gps to obtain the position and altitude, and the. Rotax senior max evo engine kit rotax engine kit rotax.
Download jetting rotax max evo kart and enjoy it on your iphone, ipad, and ipod touch. Senior max magnum motorsports has a reputation for quality engine building. More performance and perfect for juniors with karting experience. Setup carburetor software for optimal calibration of the. Usa dealer for tony kart, otk kart parts, kosmic, fa, exprit, vortex engines and bridgestone. Jetting max kart for rotax max evo free software downloads. Kg, in turn owned by the canadian bombardier recreational products.
In addition, the finetuning allows correcting small differences with some engines. The technical and commercial success obtained in all sectors to allow us to develop continually the software in race racing. Rotax max jetting chart ian williams tuning kartshop. This app can obtain automatically the position and altitude to get the temperature, pressure and. The preparation and of jetting of the rotax max carburetto. Well it doesnt have to be, rotax carb guru john savage gives you the stepbystep of how to make sure that carb is on the sweet spot every time.
Brp rotax informed about the latest development steps on the rotax 915 is, a 4stroke, 4cylinder turbocharged aircraft engine with intercooler and redundant fuel injection system during the press conference at the aero friedrichshafen, the largest trade show for general aviation in europe. We can ensure you that your rotax max engine will be serviced and prepared to the highest standards to maximise you engines potential. Rotax junior max evo engine kit rotax engine kit rotax. The name tsi is a homage to its rotax 915 is engine and marks a new chapter in tafs vision to build the worlds most loved light aircraft.
Gear none sequential semiautomatic cvt continously variable transmission fix. Check out the rotax jetting secrets article or download the article by rightclicking here and choosing save as. Whether you may just be entering into kart racing or are an advanced driver, the minis technologically advanced frame design puts this chassis on top of the timing charts in. The rotax engine type 125 max evo junior max evo mini max evo micro max. This week giving you the ultimate guide to tuning your rotax max 125 go kart engine. The same cylinder manufacturing technology successfully applied to the rotax 125 junior max engine during the 2017 racing season also proved positive for the engine parity during the rotax max challenge grand finals 2017 in.
Even though the tolerances for the rotax program are very fine, not all rotax engines are the same. Nov 12, 2019 the same cylinder manufacturing technology successfully applied to the rotax 125 junior max engine during the 2017 racing season also proved positive for the engine parity during the rotax max challenge grand finals 2017 in the rotax 125 max and 125 max dd2 classes. This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about jetting for karts with rotax 125 max nonevo micro max, mini max, junior max, max, max dd2 engines, which use a dellorto vhsb 34 qsqd carbs. Rotax racer tips n tricks powervalve setup on vimeo. Now its time to go fast the junior max engine provides a really high level of performance at a realistic price. In order to get the weather values, the application can use the gps to obtain the position and altitude, and the network connection to get the. The 125cc junior max engine is used for max challenge racing for drivers aged 16 years old. If you change the weather, or engine setup, or fine tuning, the new setup will be. We can help you on tuning at your local track as well and educate you on the dos and donts for the rotax engine. Race bike tuning shand sales meteor piston contact. Technology ace advanced combustion efficiency turbocharged etec range extender.
Mcr engine development rotax fr125 senior, junior rotax. Jetting max kart for rotax max free software downloads. Many consider this to be the premier class in max challenge competition. Rotaxpowered sling aircraft from the aircraft factory, the avmap navigation and engine monitoring system, and the rotax powered tucano experimental and lightsport aircraft.
Rotax fourstroke and advanced twostroke engines are used in a wide variety of small land, sea and airborne vehicles. Carb preparation assembly and adjustment procedure in depth. Launched in 2000 and recommended for teenagers from 16 years. The pv in the rotax max effectively operates in 2 positions closed and open. John savage is the brains behind jet tech carb jetting software at rotaxjetting. The purpose of this tool is to recommend a jet, needle position and spark reference, taking in consideration the weather conditions on the racetrack. Rotax 125 junior max engine, rotax 125 mini max kart racing engine, rotax dd2 kart racing engine, honda clone kart racing engine, rotax max fr 125 kart racing engine, rotax 125 micro max kart racing engine, yamaha sportsman kt100 kart racing engine, the top kart mini blue eagle cadet chassis is specialty designed for the young and aspired cadet sportsman racer. In order to get the weather values, the application can use the gps to obtain the position and. Rotax racer tips n tricks demonstrating how to setup your rotax power valve. Rotax 125 micro max kart racing engine gokarts usa. Rotax 125 junior max kart racing engine gokarts usa. The rotax max jetting guide is easy to handle and its features are being used for all rotax kart evo engines, said helmut voglsam. The rotax 125 max evo karting engine series is no different.
Ive never driven a senior package, just a junior, so not sure if the power valve is coming on too late or not. Arrow b max chassis with rotax max junior engine with valid u. Oct 01, 2017 what is an ecu and how do you install it on a rotax max engine. This is the youngest group that is eligible for the rotax max challenge grand finals. A quick word here on jetting software, any software that gives the needle position as a simple progression as air temperature rises from say a main jet of 162 at p4 then 162p3 then 162p2 then 162p1 and then changes to 160p4, is to put it simply wrong and must not be used by any serious engine tuner to maintain optimum jetting.
Jun 18, 2016 this app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax max evo senior, minimax, micromax, supermax, dd2 or junior, which use a dellorto vhsb 34 xs carb. Race against the best kids in australia at the rotax pro tour and other special events. The chart was made with one driver in mind, at his weight and altitude and in his chosen rotax max engine, be it a senior or junior or whatever. Rotax kart engines 125 micro max, 125 mini max, 125 junior max, 125 max, 125 max dd2. This app provides, using weather conditions and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax. Just got a rotax fr125 senior motor and not really sure if its pulling like it should or what.
With the 125 junior max evo engine, you can have your first international racing experience. Kartmax dd2 jetting software is a tool designed for use with the rotax 125 max dd2 kart engine. This same engine is used for two classes, senior max for drivers 15 and up, and max masters for drivers 32 yearsofage and older. This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about jetting and spark plug to use for karts with rotax 125 max evo micro max evo, mini max evo, junior max evo, senior max evo, max dd2 evo engines, which use a dellorto vhsb 34 xs carb. This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuratio n, a recommendation about jetting and spark plug to use for karts with rota x 125 max ev o micro max ev o, mini max ev o, junior max ev o, senior max ev o, ma x dd2 evo engine s, which use a dellorto. Now its easy to setup a rotax fr 125 micro max kart engine. The junior max class is a category recognised all around the world for junior drivers with racing experience. Rotax 125 micro max kart racing engine, yamaha sportsman kt100 kart racing engine, the top kart mini blue eagle cadet chassis is specialty designed for the young and aspired cadet sportsman racer. When the pv is closed, the engine produces good low speed torquepower curves that drop off rapidly just above 7500rpm. You can configure in this screen the information about the engine, that is, engine model micro max, mini max, junior max, senior, max dd2, needle type, float type and height, venturi 8.