We offer you, lover of 2 stroke motorcycles, a central marketplace where you can offer or find your motorcycle and parts. Too bad, because they are typically capable, reliable and easy to use, with most having oil injection and some having electric starting. The front suspension uses a parallelogram layout similar to the legendary. All engine development is done exclusively with tsr twostroke racing engine design software and. In this video series we take a look at all the 300cc offroad two strokes we can get our hands on. Exhaust and intake tuning building, tips and techniques. Theyve powered some of the most legendary motorcycles of all time, dominating track and offroad racing.
As defined in the engmod 2t software suite, sta provides an. Two stroke engine and exhaust design software north. Our two strokes lead the way in technology and performance and our four stroke research and development pushes the term state of the art to a new level. Two stroke motorcycles have been phased out in recent years by tough pollution laws and fuel economy targets. Sold by boss powersports outlet and ships from amazon fulfillment. There is no 2stroke displacement limit for our software, for example you can have a 125, 250, 500, 700 singlecylinder and our modules will work flawlessly. Aug 17, 2015 as to the two stroke candle, real two strokes ran on castrol r40 castorbased racing oil, now thats a smell that you dont come across much these days. How two strokes and fourstrokes work wiseco has seen motorcycle racing evolved from a long history of two strokes, and up a steep development curve to the modern four stroke race bikes we know today. This scary tz750 flat track racer is also street legal.
In order to get that same amount of horsepower from a 4 stroke racing engine, it has to be about 1,000 cc. Twostroke engines making comeback posted on 20th march, 2017 by mark hinchliffe two stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with ktm, honda and boutique builders. As to the two stroke candle, real two strokes ran on castrol r40 castorbased racing oil, now thats a smell that you dont come across much these days. The difference between the two stroke and four stroke.
Speed and reliability are two important factors which determine the advantage of an engine. We now have a simple 2 stroke expansion chamber design program. Ten motorcycles that remind us why we miss twostrokes. The trend in high performance two strokes has continued towards more case volume, however each engine and application differ. The intent of the competition is to provide universities with an. Ct technicians apply the most modern techniques and tools combined with a pride in craftsmanship to every customers. When it comes to building some of the best race engines in the sport, varner motorsports has been very, very successful. If i were in the market to buy a brandnew motorcycle or an oldschool. Brian longs suzuki motorcyclesthe classic two stroke era 1955 to 1978 is a unique contribution to the body of work that covers motorcycle history. Aussie twostroke engine invention motorbike writer. Bigger carburetors, higher compression ratios, altered port timings and expansion. My name is ed erlenbach, im a private tuner specializing in yamaha rd and tz performance in southern california. The suter mmx 500 racing motorcycle is an impressive beast.
Ten best twostroke dirt bikes for offroad riding dirt. If you are aiming for these qualities, modifying your 2stroke engine is a great strategy. Staying on top of your oil level and oil changes is incredibly important. From five star rated high flow carb mods and cylinder porting, to cylinder head machining, piston antisieze mods and case matching. But before two strokes sang their swan song in gp racing, the 500cc era would give motorcycle racing fans one more special gift an upandcoming young racer from italy named valentino rossi. Hp is very passionate about building world class race engines. The 500 cc 2 stroke racing motorcycles that used to be popular in the 500gp races would produce peak power output of around 180 hp, but in a very narrow rpm range. We thought wed delve into the history of the 500cc two stroke to celebrate ansteys remarkable win. Oct 17, 2017 tips on how to port a two stroke cylinder, what to donot do and how to do it right. This product is distinguished by total quality assurance, unsurpassed by.
Theres nothing like the ringadingding of a two stroke motorcycle. Millions of fluid and thermodynamic calculations are made by mota representing the conditions inside your two stroke engine throughout its complete operating cycle. Excellent condition my kids only road the bikes only several times. The knowledge gained from the racing circuit is applied to all of our engine services. Tsr twostroke racing engine design software at bikelinks.
We have the best prices on dirt bike, atv and motorcycle parts, apparel and accessories and offer excellent customer service. Twostroke motorcycles suzuki, yamaha, honda, and more. We use computer design software to maximize power and torque at any elevation. When we were talking to brad peterson about his xr750 street tracker a month ago, he let slip that he also had a tz750 in his garage. The oncebanned 250cc twostroke sportbike enters a new. World exclusive brc racing 500cc 2 stroke the big bore is back. When you want more 2 stroke power, look no further than dicks racing. The ports found within a twostroke cylinder in combination with the exhaust system. Extreme motor sales 2 stroke scooter parts 2 stroke.
Developed and produced by our racing division, this technical masterpiece is built for skillful hands and appreciating hearts only. Two stroke modificatons and services four stroke modifications and services. Enthusiasts, tuners, mechanics, gp, drag racing, mx, enduro. However, you shouldnt just pick any business that you can find anywhere. Advanced two stroke tuned exhaust system the challenge the society of automotive engineers clean snowmobile challenge 2002 sae csc 2002 is an engineering design competition for college and university student members of the society of automotive engineers sae. Nov 17, 2015 yamaha built an array of two stroke twins from the early 1960s onward, soon followed by kawasaki and suzuki. In motocross its usually a compromise between best peak hp and good early off the pipe power. You should only rely on the experience of the very best. Many things will affect the power delivery of two stroke motorcycle engines. We also do cnc machined racing parts, for from 50cc racing motorcycles to. The two stroke engine formula could be about to get a modern, ecofriendly reboot to form the basis of motogp and even f1 in future.
Everything you need to know about the twostroke cylinder. Aprilia rs250 the last firebreathing twostroke roadster. The biggest, baddest, most evil racing motorcycles ever to see a race track. The way a two stroke motor works causes them to be f. These modifications can be extremely effective when used in the right combinations. Once common, today these twins live mostly in garages rather than on the road. Developed by pedro, with more than 20 000 lines of code, all the knowhow applied to software comes from us and also a lot from the legendary portuguese 2 stroke tuner lufo racing, this software is directed for all 2 stroke.
Oct 31, 2019 enjoy this epic two stroke drag bike clash as some of the most powerful, legendary and iconic 2 stroke motorcycles settle the score, drag race for glory and attempt to break 2 stroke world records. I theorize that one of the main reasons we dont have modern two stroke streetbikes is that consumers prefer the sound and feel of a four stroke. But the real star of the show is its heart, the high tech twostroke engine. About six years ago, the unlimited allstar rules were opened up to allow motorcycle engines, whereas before you had to a run a kartspecific engine. Start of the world championship in grand prix motorcycle racing for five separate categories, 125cc, 250cc, 350cc, 500cc and sidecars. This was the gunslinger time of motogpno traction control, no wheelie control, no engine management software none of thatjust you, your right wrist and 170 two stroke horses between your legs trying to spit you off.
No previous knowledge of the two stroke cycle engine is required just input the required data and then run mota to set in motion this powerful process. Racingsm software has features for many different areas 2stroke exhausts development, drag racing features, simulators, carburetor tuning, connectingrod analysis etc with all this knowhow along with lufo racing heritage, we believe this is a very fair price. Whether you have a 4 stroke engine or a 2 stroke engine bike, your motorcycle works hard. Two stroke cylinder porting tips watch this before you. It delivers increased spark energy and voltage through the entire rpm range and provides the user with a variety of programmable functions including mapping two timing curves. Thanks mostly to the european brands, especially ktm and husqvarna, the two stroke offroad dirt bike has not only survived to this point in the new millennium, it has thrived, making it feasible for us to even create a list of ten best two stroke dirt bikes, let alone a list for offroad machines. Eric gorr racing offers allinclusive porting packages for all types of 2stroke and. Sold by pstuning and ships from amazon fulfillment. Dedicated to the free exchange of information among two stroke road racing motorcycle enthusiasts around the world. Two stroke engines defined the success of the german automaker dkw. North american twostrokes general twostroke discussion two stroke engine and exhaust design software this is the place to talk about anything related to twostroke road race bikes. We have products from motomats and barnett clutches featured in the 2 stroke hardware section and eight premix burning machines going headtohead in 2 stroke theater. They are so simple and fun that ive always enjoyed tinkering with them. It covers my early days in the motorcycle trade, on to starting my own mc business then forming my tuning business.
Video tutorial of how racingsm software bike dynamics simulator works and its potential. Whatever the reason, theres a certain romanticism associated with two stroke engines. In 2012, the 125cc two stroke class was replaced by the moto3 250cc four stroke class with a weight limit of 65 kg with fuel. The 2020 tm300fi 2 stroke makes four more horsepower than its carbureted cousin and yes at the moment the carbureted models are still available but its unclear for how long. An explosive yammie two stroke with classic flat track good looks is too hard to resist, so we just had to show it. Ktms new fuelinjected twostrokes could save the endangered. Parts for scooters with morini 50cc 2 stroke engines. Ill never forget the time my dad took me to kyalami in 92 to watch the likes of wayne rainey, kevin schwantz and mick doohan duke it out. Carburetors come complete with lever chokes and standard jetting suitable for gravity feed fuel systems.
Tom turner, master two stroke tuner, pipe builder, and the man that developed tsr two stroke racing software designed and built his 424cc yamaha rd400 dragbike to develop and prove his racing design software and prove it, it did. The product of five exferrari engineers and designers and dubbed the vins motors duecinquanta italian translation of two fifty, the motorcycle weighs a staggering 209lb ready to ride, with 70hp coming from its 249cc paralleltwin, fuel injected, two stroke engine. For port work, one company that will help you is 2strokeporting. He owns a kart shop, called prokart racing karts, where i live in connecticut. Belray mc1 racing full synthetic 2t engine oil is a 2 stroke motorcycle racing oil that was developed in the 1970s specifically as a high dilution ratio premix racing 2t motorcycle oil and continues to offer riders of historic offroad motorcycles the quality engine oil that they have been using for years. Read about the differences between two stroke and four stroke motors, and their involvement in ama racing history. Ronax can help in the form of an electricstart, fuelinjected, two stroke, 54. Designed to check for air leaks in 2 stroke engines includes air pressure gauge, pumpup bulb and most fittings and adapters for single and twin cylinder 2 stroke motorcycle engines packed in a convenient carry box, complete with instructions made in. On this weeks two stroke tuesday we give you an exclusive look at a brc racing ktm 500cc engine conversion. From a 49cc racing engine, to a gp 125 engine, or a 1500 mercurial triple engine, or a 250 kart engine, racingsm software suits all. At the time, there was not only the perception that 500ccs was a massive amount of displacement for a twostroke, but that an engine that size could not be made to run reliably. Msd single cylinder programmable ignition mps racing. Jun 27, 2017 ktms new fuelinjected two strokes could save the endangered engine. Bultaco tss mk2 50cc claudio lusuardi denia 2014 classic racing revival by ricktalife42.
Yamaha, suzuki and kawasaki sold thousands of 250 twostrokes based around their very similar and successful twostroke racing machines, and many of the biggest names in motorcycle sport got their. Suter racing has developed a 576cc two stroke mmx 500 which blows the ronax 500 away with 145. Cc specialty tools porting and polishing for 2 stroke, 4 stroke, rotary engines. The home of ultimate two stroke motorcycle road racing. If you are aiming for these qualities, modifying your 2 stroke engine is a great strategy. I theorize that one of the main reasons we dont have modern twostroke streetbikes is that consumers. Harris performance engineering hp race development. Motorcycle software bikelinks motorcycle directory.
North american twostrokes north american twostrokes. Pipes, silencers, carburetors, reeds and valves are all popular bolton modifications. Brad may have balls the size of church bells, but we dont. The only unrestricted open series for all classes of two stroke race bikes from factory produced to conversions from road. There are many ways to boost the power, one of which is by installing a tuned pipe. From starting racing at an early age first on solos then nine years on sidecars, with a bit of riding speedway and stockcar racing thrown in. The oncebanned 250cc twostroke sportbike enters a new haven of legendold enough to be legal.
The suter mmx 500 is an exclusive racing motorcycle, which is also marked by its strictly limited edition status of 99 bikes. Big thank you to laina and the fine people at the wolf creek brewery for having us back for sunday may 19th 2019. Mikunis are proven as the performance standard for use in single cylinder motorcycle and atv applications for motocross, enduro and trail riding, flat track racing and road racing. The 500cc two strokes are the bikes which dominated motorcycle racing for almost three decades. Whenhe accepted an invitation to the born free motorcycle show that took place inlate june at silverado, usa, he dove into his twostroke racing past. We have products from motomats and barnett clutches featured in the 2stroke hardware section and eight premix burning machines going headtohead in 2stroke theater. One legendary oil burner to look out for is the reliable allrounder yamaha a mike hailwood ducati scrambler tribute, the winner of indians project scout program, and a killer yamaha from twinline motorcycles. The most unreal motorcycle engines ever produced duration.
When valentino rossi himself says this is the era he wished he raced, you know its a special time. Two stroke cylinder porting tips watch this before you start cutting. The single cylinder programmable ignition is designed for use on a variety of single cylinder motorcycle type 2 and 4 stroke engines. Tsr two stroke racing software 2stroke engine design software.
Getting the crispest jetting for a 2 stroke with expansion chamber and no boost bottle then everywhere except for 750 rpm before the engine gets on the pipe. Many things will affect the power delivery of twostroke motorcycle engines. However, ktm has released a raft of new directinjection two strokers and honda recently registered patents for directinjection two stroke engines, so they look like making a comeback. Getting his start as an engine builder back in 1979 with lop back in illinois, terry worked with a ten man professional race. On this weeks twostroke tuesday we give you an exclusive look at a brc racing ktm 500cc engine conversion. Cc specialty tools porting and polishing for 2 stroke engines. We have been advancing our 2stroke engines for over 37 years and we are now offering the software we designed to set many of our world records. Steam driven car is one of the four companies horch, wanderer and audi that merged to form the auto union. Enjoy a close look at the worlds quickest kawasaki h2 750 triple, owned by bill baxter and ridden by alex hrp hughes. This v4 576cc features a double counter rotating crankshaft, an electronic fuel injection, 56 x 58. North american two strokes general two stroke discussion two stroke engine and exhaust design software this is the place to talk about anything related to two stroke road race bikes. Twostroke engines making comeback motorbike writer.
Two stroke enthusiasts worldwide were longing for a racing machine of this kind. They are words that few ever thought they would hear in the context of motogp ever again but advances in technology has given rise to the notion that the two stroke formula could well define the future of. For port work, one company that will help you is 2stroke porting. Those of us who have grown up in the japanese two stroke. Two stroke performance tuning chapter 3 porting and cylinder scavenging today, when we take a look down the cylinder of a two stroke engine, we find its walls literally filled with ports to handle the induction, transfer and exhaust phases of gas flow through the engine. Mota software, 2 stroke engine simulation software, 2 stroke exhaust design. Ct racing has built our reputation on competitive racing engines. The old adage of stuffing cases on every project just isnt true any more. Riding for honda, and under the tutelage of the legendary mick doohan, rossi mastered the unruly two stroke beasts, dominating the class for the last. Our goal is to achieve the biggest power gains as possible, while maintaining reliability on your 2stroke engine. Suter racing technology in clean, orderly switzerland, are building incredible two stroke 576 v4 grand prix 500 replica racing motorcycles. But the real star of the show is its heart, the high tech two stroke engine.