5/2 Finish up YZ450 testing including one with modified head and bigger cams, stock vs GYTR vs Jardine header, big difference. 5/7 three full mod WaterX sleds tuned to max HP--ProX800 built by Tripod Sr., ProX600 built by Flannery, Rev600 built by Bill...

The SF901 engine dyno that we've been using for 22 years is a great system, but needs to be updated with the newer SF902 electronics. The computer boards inside the control console are from a 30 year old design, and there are chips on the boards that can't be obtained...

Sorry guys, I'm talking lawnmowers here! I bought a 6.5 HP Toro 22" walk-behind rotary mower several years ago. While I enjoyed the variable speed rear wheel drive, the engine pissed me off. I've been mowing lawns for over 50 years. I know what a 5 HP...