THIS TENSIONER CAN NOT BE USED ON CRF230 IF YOU ARE USING A STARTER MOTOR. IF YOU HAVE A STARTER WANT TO KEEP IT, YOU CAN NOT USE THIS, IT WON'T WORK FOR YOU. THIS TENSIONER IS GREEN. WE ALSO HAVE RED, BLUE, BLACK. THIS IS A NEW AFTERMARKET TIMING CAM CHAIN TENSIONER MANUAL ADJUSTER. NEW READY TO INSTALL. VERY SIMPLE DESIGN. EASY TO USE. COMES WITH GASKET MOUNTING INSTRUCTIONS. - THIS IS ON HAND, IN STOCK. WE CAN SHIP NOW!! WE SHIP VERY FAST! THIS FITS HONDA: - 2003 to 2013 CRF230F (NON-STARTER MOTOR BIKES ONLY, OR PERMANENTLY REMOVE YOUR STARTER) - 2008 to 2009 CRF230L (NON-STARTER MOTOR BIKES ONLY, OR PERMANENTLY REMOVE YOUR STARTER) - 2009 CRF230M (NON-STARTER MOTOR BIKES ONLY, OR PERMANENTLY REMOVE YOUR STARTER) location: shelf # (T-1300 @ k) REPLACE THAT OLD AUTOMATIC TENSIONER THAT WILL EVENTUALLY FAIL YOU. MANUAL CAM CHAIN TENSIONERS ARE DESIGNED TO REPLACE THE AUTOMATIC AND HYDRAULIC TENSIONERS ON HIGH PERFORMANCE ENGINES. THE AUTOMATIC ADJUSTERS CAN BACK OUT WHEN THE THROTTLE IS CLOSED SUDDENLY AT HIGH RPM. THIS ALLOWS THE CAMS TO GO MOMENTARELY OUT OF TIME, AND CAN RESULT IN BENT VALVES AND SERIOUS ENGINE DAMAGE. HYDRAULIC TENSIONERS HAVE A TENDENCY TO PUT TOO MUCH TENSION ON THE CHAIN GUIDE UNDER HIGH RPM (HIGH OIL PRESSURE CONDITIONS), RESULTING IN PREMATURE WEAR. BOTH PROBLEMS CAN BE ELIMINATED WITH THE INSTALLATION OF THE CRU MANUAL TENSIONER. NO MATER WHAT THE ENGINE DOES, THE CAM CHAIN TENSION WILL REMAIN CONSTANT. A CRU MANUAL CAM CHAIN TENSIONER IS A MUST FOR ANY KIND OF PERFORMANCE RIDING. CRU MANUAL TENSIONERS ARE CNC MACHINED FROM BILLET ALLOY TO EXACT TOLERANCES FOR PERFECT FIT. On Dec-28-12 at 06:30:45 PST, seller added the following information: