Onan Engine Repair Manual
Onan Master Service Manual BuzzBox here is a link to the Master Service Manual. It may predate your engine/Bobcat. But we have no way of knowing until we have your serial number.
B48g Onan Engine Repair Manual
Pls post that. Serial# this is a large file 13+ Mb the manual is 375 pages. Long download. Their model and spec numbers can get very complex, where a single small difference can give a very different number/nomenclature. Also here is the parts catalog for their semi-recent opposed twins. Dental terminology for dummies manual. Pls have a look and see if we are in the park. Yes a serial number would be nice.
Problem is i bought it at a government auction (likely police seized item) and the serials were stripped. Do have semi intact engine tags though. Would that help?Did you get a chance to see if the manual covered your engine?? Visual ident??
Model numbers are a bit screwy with them. Never have figured them out, change a small bit and the model name changes totally for instance a teat or threading on the end of the crank will change nomenclature even though two engines have identical internals and rebuild specs. Any extra info you have will help.Tags &. Pics will also help to narrow down it's age. Might be some date codes on the internals under the covers.