Okay I remember that the one that we bought used was supposed to be strong enough but being older(idk how old but it seems like a pretty old motor) it didn't have the oomph.
Now that we've replaced it it runs perfectly.
Okay I've heard back from him...below is his response.
It's a one horse...
Okay my DH2B built us a whizzbang and finished it late last fall.
Originally we put a salvaged motor on it but it had the same problem. We ended up having to replace the motor with a new one.
I can text him and ask him what the motor is we use in ours and what the old one was. Did you put your...