Re: any good?
At minimum.
1. Replace the water pump.
2. Rebuild the carburetor.
3. Drain/fill the lower unit with new fluid and new drain/fill plugs gaskets.
The 35 is a bit "stressed" in my book but very reliable, if cared for.
Snapping a crankshaft usually happens becase of three reasons. 1. Water ingestion. 2. Severe lean condition. 3. hit an underwater obstacle-HARD.