Trojan Boat Forum

Engine is smooth no miss from it at all, I am a service manager at a dealership. I'm great with cars, engines and stuff, boat stuff I don't have a lot of experience though

It's a 14 x 10 lh 1 inch shaft prop I'll look to see what the gear ratio is but I assumed it was stock. The bottom is clean no issues issues there. Forward is lever forward. I'll be out at the boat this weekend anything else I should check. Engine and drive shaft seem smooth.

I have what seems to be a prop shake after just getting a new prop from Michigan wheel. The shake does not start until above 3500rpms when the boat is loaded and I'm at about 11 to 12 mph. There is no cupping on the prop, the drive shaft and couplings are new, then engine has been swapped for a crus...