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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Motor swap questions, YS61 to OS61
12-15-2013 08:10 PM  5 years ago
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Bassmasterdude

rrNovice

Idaho

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Motor swap questions, YS61 to OS61
I currently run a YS61ST2 in a raptor 60/90. I am looking at an OS 61F SR-H due to issues with the YS61. My questions is can anyone tell me if my YS parts will fit this OS 61 motor such as the fan, motor mount, exhaust pipe, etc?
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12-15-2013 09:40 PM  5 years ago
JayL

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Leesburg GA

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You shouldnt have any issues changing between the 2 but i do believe the muffler mounts up differently. maybe someone can fill in the blanks.
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12-16-2013 02:26 AM  5 years ago
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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On the other hand...

There are two different versions of the Raptor fan - YS threaded and OS threaded. You can force one fan onto the other crankshaft, but they are different

And, the mufflers are different - the OS uses threaded holes in the header of the muffler and the YS has threads on the crankcase.
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12-17-2013 12:35 AM  5 years ago
nappyroots2182

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Moline, il

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find a o.s. 70. great running motor
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Motor swap questions, YS61 to OS61
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