Aermotor pumps, He had begun a restoration on it but never got to finish. I picked this up a few years ago from the estate of the previous owner down on Long Island. If anyone has good information now on understanding the Aermotor serial numbers I'd like to Oct 9, 2010 · I bought an Aermotor 8-cycle hit & miss pump engine at a yard sale yesterday for $350. but also see a lot of green but it doesn't look like it is the bottom coat. Maybe he will be along in a while. It does not have the pump jack gear, but everything else is there Mar 15, 2005 · 8 cycle Aermotor with Dogbone governor information/ help request Mike77 Jun 24, 2025 Hit & Miss and Gas Engine Discussion Replies 6 Views 996 Jul 1, 2025 Jul 8, 2012 · Re: Aermotor, why 8 stroke? The Cadillac Northstar engines used a computerized alternating "miss cycle" to pump air through random cylinders and cool the engine in an emergency. Which Governor do you have? Jun 24, 2025 · Hi all,I’m Mike from the uk and I’ve managed to acquire a 8 cycle Aermotor with Dogbone governor. Oct 14, 2017 · Re: Old Aermotor, trying to find out the year The Dog Bone's Governor's were made from 1907-1909, The stick & Ball Governor's in the Flywheel were made after 1909. Terminology and dates do not seem very available. . This thing seriously runs great. Dec 3, 2002 · Aermotor parts and info. Runs great! Older restoration on a home-built cart, battery & coil ignitor version. So, I dug it out of the Sep 20, 2018 · That is an Aermotor model 702, but the sheet metal and tower are much older- was most likely an open geared mill, and during late 1930s they just upgraded to the 702 gearbox and used the old wheel and vane. Definitely 8-cycle. I am presently restoring an Aermotor 8-cycle air cooled pump jack engine and need to know a few things to finish the job. I've heard various rumors about people breaking the code and being able to get the manufacture date from the serial number. Which came first? I guess that camshaft? 2) Nov 27, 2006 · About 4 years ago I asked if anyone knew how to read Aermotor serial numbers. Nov 5, 2023 · I've been looking at this 8 cycle Aermotor sitting in my shed for a while now and decided it's time to get it running. Can't help you more than that. Nov 5, 2023 · I've been looking at this 8 cycle Aermotor sitting in my shed for a while now and decided it's time to get it running. Jul 23, 2015 · First this is my 1st Aermotor 8 Cycle Engine, and I am in the early stages of trying to understand its history. What was the original color? I can find some black on the gears, flywheel, etc. The gentleman who I got it from didn’t know or have any information about it’s age hp etc. 1) Governor types, one is a ball on the flywheel and the other weights on the camshaft. Frank Y from Penslvania claims to have broken the date code.
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