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Direct injection keeps two-stroke alive for Bombardier in 2012
The last major bastion of the two-stroke engine appears to be in snowmobiles. Thanks to liquid cooling, electronic controls, fuel injection, sophisticated combustion techniques, and variable-exhaust-port technology, the latest avalanche of two-stroke “sled” powerplants aims to comply with the new U.S. EPA Phase 3 emissions regulations
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New 2011 YZ125 Spy Photos??
During the third race of the Open Dutch Championships in Gemert, an eagle-eyed photographer spotted this nice looking Yamaha. Could this be a pre-production 2011 model? After the rash of Photoshopped fakes that circulated around the Internet in the recent past, here are photos of an actual machine. As
Glen Helen Cancels Contract for AMA National
2010 GLEN HELEN NATIONAL: OFFICIAL STATEMENT Glen Helen Raceway regretfully announces that it will not host Round two of AMA 250/450 Nationals on May 29, 2010. There has been long negotiations between MX Sports and Glen Helen Raceway in regards to the event. As a previous host of more than 14 AMA
Transworld Motocross – 2010 Yamaha YZ250 Video
From Transworld Motocross… In spite of how much any of us like two-strokes, the sad truth of the matter is that two-strokes in America are slowly fading away. Thankfully, though, for two-stroke lovers in the US Yamaha still produces both a 125 and 250 two-stroke. We got invited out to Glen Helen
Broc Hepler on a YZ250 two-stroke March 20 & 21
Looks like another Pro racer has “switched” to the two-stroke. This past weekend Broc Hepler showed up at a local indoor and outdoor track to race around on a YZ250. Kind of interesting that he would choose a two-stroke, when all the world seems to be four-stroke “crazy”! According
Kawasaki GP 125s
The excitement continues to build leading up to the opening round of the UEM 125cc European Championship. Photos of the Kawasaki 125cc two-stroke machines have been released. While the Kawasaki 125 two-strokes have not been distributed in the USA, they have been available in other countries. The unveiling
United Kingdom’s ACU announces British 2 Stroke Championships for 2010
In a surprising announcement the ACU (England’s version of the AMA) has released information about a new championship series for 2010. The British 2 Stroke Championships. The race series will consist of 5 events. There will be Qualifying on Saturdays, with two races held on Saturday’s and
2 Stroke World Championships – Glen Helen April 11, 2010
Be prepared for the sound of two-stroke motocross bikes on April 11, 2010. Glen Helen along with FMF and MTA are sponsoring the 2 Stroke World Championships. With classes for every age group and racing ability, there will be plenty of fun to go around. Gates
Dutch VHM-company to Develop New Cylinder Heads for Honda CR500
VHM, a very busy company in The Netherlands is developing special new cylinder heads with 4 different interchangeable inserts. Engineers and both former MXGP-riders Theo Bouw and Heikki ‘Sealand’-VanDenBerg decided to add this item to their long list of two-stroke tuning parts. One
A Two-Stroke Revival, Without the Blue Haze
By Don Sherman NO new car marketed in the United States has been powered by a two-stroke engine
