Now that you speak of it toystory, I think you're right, a little more perhaps; 2000-2500 with some luck (with the governor disabled) but that'll be it...
On a direct drive that'll be no problem,
but a clutch would most likely fail to fully engage
(if you don't find one that fully engages at ~1100 rpm)
Maybe the honda oil gearbox is capable of handling this correctly;
was there any clutch'esque parrt in the snowblower perhaps?
Otherwise total awkyard gear setup will have to be considered ooooor a new engine
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EDIT]
Fabroman, do you know any clutch for that rpm band?
That'd be the best solution of course
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/EoE]
Ataveras, you can even let the arm in place, you don't have the outer mechanics attached anyways,
so it doesn't make much of a difference.
And if you're going to sell it (because of the odd pto on camshaft thing) you may find a buyer that WANTS the governor.
'sid