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About Ken Myers
Expertise
I can answer beginning, advanced and expert questions about electrically powered R/C model aircraft, and many questions about R/C model aircraft of all types, except helicopters. I`ve been building, flying and designing R/C model aircraft for 40 years.

Experience
I have been building and flying radio controlled model aircraft since 1960. I'm the president of the Electric Flyers Only, Inc., located in southeasten Michigan. I'm a past president of the National Electric Aircraft Council. I'm vice-president of the Midwest R/C Society. I was president and main founder of the UFO (Union Lake Flying Organization). I've built and flown most types of model aircraft except helicopters.

You are here: Experts > Hobbies > Radio Controlled Vehicles > RC Model Airplanes/Cars/Boats > OS 30 FS 4 stroke

Boats - OS 30 FS 4 stroke

Expert: Ken Myers - 3/25/2008

Question
Hello,
Can you tell me how to set the valve timing on a four stroke OS 30 mfs engine ,I reloaced the bearings on the cam and don"t know how to time the came?

Answer
Hi William,

I haven't timed a 4-stroke in a long, long time. I did find some manuals that might help. They are here: http://www.modelflight.com.au/manuals_os_engines.htm

and the one on the 26 and 46 is here - there is no 30 anymore
http://www.modelflight.com.au/manuals/pdf/os_engines/fs-26s-40s-manual.pdf

You might also try asking your question in the engine forum on RC Universe
http://www.rcuniverse.com

Good luck,
Ken

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