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Old Apr 04, 2006, 08:04 AM
In love with my Rappy
Leonora, Western oz.
Joined Mar 2006
1,954 Posts
Help!
OS 91 FS 4 stroke instruction manual

I'm currently looking for a manual for the OS 91 FS four stroke engine that tells all about tuning, parts list, what bits do what.
I bought a model with this engine in it and had a bugger of a job getting it to run. finally sorted out the problem (had the wrong plug and was detonating at higher revs) but I would like to read a little on the motor and suggested tuning methods.
If any one has a copy to spare or can scan it and put it up here or email it, I would be very appreciative.
I never owned a four stroke before. Having just taken the hobby up again after a looooong break, I am suprised at how far the technoligy has come in both gas/glow and electric engines. Its waaay cheaper to fly now with the good gear than it was when I was a kid.
I was king of the block with a frog 15 diesel and a sanwa four chnl back then.
Cheers, Wiz
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Old Apr 04, 2006, 08:31 AM
High speed low pass
Kim yong jin's Avatar
South Korea
Joined Jul 2005
26 Posts
PDF manual~

Same as paper manual
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Old Apr 04, 2006, 09:28 AM
In love with my Rappy
Leonora, Western oz.
Joined Mar 2006
1,954 Posts
Thanks Kim Yong. you are a gentleman and a scholar.
that is as close to perfect as one can wish for.
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Last edited by wiz310; Apr 04, 2006 at 09:34 AM.
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