The local online classifieds has a runningBolens H1XL and another Bolens (looks similar but not sure of the model) for a great price.
I think they might be a good project for a 2 cylinder Yanmar diesel I have on hold...it's 11 hp IIRC, so it would be a good swap, power wise.
I looked for a Parts Manual for the H11XL here, but struck out, though I did find the service manual.
I found a parts manual for the Bolens XL series on another site, but it doesn't list the H11XL--starts at the H12XL, H14XL, etc.
Is the H11XL essentially the same as the others other than engine?