Off Road Cam For Yamaha SR500 TT500 XT500 MG251-30
Best all around cam for off road use
Must use a modified piston and rings!
The valve lift is .500/.500; the duration at .040" is 273/273. Lobe center is 108.5/108.5. Intake open/close is 28 btc/65 abc. Valve lash is .005 Exhaust open/close is 65bbc/28atc. Valve lash is .005.
*Additional $82 charge if your core isn't shipped to us