Browsing Tag

power valve

THIS MUCH WE KNOW! MAKING THE MOST OF THE POWER VALVE ON YOUR KTM 250/300 TWO-STROKE

The motocross market that was once rich with two-strokes has been reduced to only a handful of 250cc two-stroke bikes. Perhaps the shining star of the remaining two-strokes is the KTM 250SX. It is the most powerful 250cc two-stroke ever made, and given that it has benefited from every modern upgrade that KTM's four-stroke line has received, it is the most modern two-stroke on the track. KTM, in their infinite wisdom, realized that two-stroke owners come in a wide variety of shapes and riding styles; thu...

MXA TEAM TESTED: KREFT KTM 250/300 POWERDIAL POWER-VALVE ADJUSTER

WHAT IS IT? The Kreft PowerDial is an easy-to-install KTM 250/300 power-valve adjuster. It replaces the stock KTM system so that adjustments can be made in seconds. WHAT'S IT COST? $89.95 (black), $98.95 (Gold). CONTACT? www.kreftmoto.com or (970) 403-2715. WHAT STANDS OUT? Here's a list of things that stand out with the Kreft PowerDial. (1) Function. The Kreft PowerDial makes it possible to adjust the spring preload on the KTM 250/300 power valve without tools. In fact, we could pull over to the side o...

ASK THE MXPERTS: HOW DO YOU ADJUST HONDA’S ELECTRIC POWER VALVE ON THE OLD-SCHOOL CR250’S?

Dear MXA, I have a 2002 Honda CR250. It is great shape, but I think that I need to adjust the power valve. I don't have a clue on how to do it. Can MXA help me? When Honda dumped their centrifugal power valve system for an electronic one, you could hear the whispered doubts float throughout the motocross industry. Electronic power valves were nothing new. Almost every manufacturer had tested with them, some even raced the GPs with electric power and every one, save for Honda, shelved them. ...