swapping gears, and lower unit maintenance on your Mud Buddy

We discuss why you would want to swap gears, how to do it, and how to service your drive.

[@weekendwarriors9369]

Do you have to pull the prop off on the old units so you can grease it

[@melvinflett8887]

Do i have to remove shaft if i'm going tap a grease zerk in??
And how easy is that to do??

[@melvinflett8887]

How many washers are there on on the prop?

[@clintcooper3408]

I have a stock 2004 MB hyper drive 21hp vanguard no clutch or reverse....it's running 3500 rpm at full throttle .. should it be 4000?

[@melvinflett8887]

To i have to remove the shaft if i want to tap a grease zerk in?