Got the new engine tools from Rocky Mountain today: the Tusk crankshaft installer/puller and the Tusk crankcase splitter.
I tried the installer first. It comes with a variety of bolts/couplers and I was crushed to discover nothing would fit the S90's 16mm male thread on the clutch side.
But I realized that I could get it to work using my own 8mm bolt and washer on the alternator side. It was surprisingly effortless to pull the crankshaft into place and the tool worked perfectly (and feels very hefty and solid). It almost made me think I should just be installing the crank without tools but I think that would involve a lot of elbow grease and would probably result in me hammering the crank into place. So in the end, maybe the tool just does its job too well.
The right crankcase cover just pushed down right over the bearing when I went to close the case. I don't expect it would be like that for every motor. But if I ever needed to use the tool on that side, I could either find a big 16mm bolt or shave down an old clutch nut enough so it fits inside the tool's main coupler.
Tried the crankcase splitter next and that worked exactly as expected. Again, a very well-made and solid tool.
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