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noob question on engine rebuild

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Old Jun 3, 2011 | 08:14 AM
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From: sxm
noob question on engine rebuild

when reassembling any rotary engine is there any special way to put the rotors back in? is there a groove they fit into or is there a way to put them in wrong? i know the seals and springs are different on each side of the rotor but what about rotation/ timing wise?

i have watched alot of videos but they seem to just drop them in without showing where to put them on the crankshaft.... any info would be nice.
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Old Jun 3, 2011 | 10:59 AM
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Attached Thumbnails noob question on engine rebuild-rotor-place.jpg  
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Old Jun 3, 2011 | 11:58 AM
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From: sxm
???
so just as long as one of the corners of the rotor are lined up with one of the notches? then what about the second rotor? just point it in the opposite direction?
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Old Jun 3, 2011 | 12:08 PM
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Itll only really fit in one way, as far as is my understanding. I've watched people reassemble rotaries before and it only really meshes with the gear and sits in the housing one way. You could get it one tooth off I guess, so I guess that's why it says to line it up in the FSM.
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Old Jun 3, 2011 | 12:33 PM
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after u put the first one in, the 2nd one only fits in 1 way.
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Old Jun 10, 2011 | 07:53 AM
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From: sxm
Originally Posted by nycgps
after u put the first one in, the 2nd one only fits in 1 way.
thats what i wanted to know...thanks alot. so im hoping there is not much room to mess it up. the first one can go in any way and the second corresponds with that? that right?
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Old Jun 12, 2011 | 10:20 AM
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This video should help:

http://www.youtube.com/watch?v=ijJeUk_GqiI

It doesn't really matter where you place the rotors. I generally put the front rotor apex down and then the rear rotor ends up apex up. They only fit one way. If you have the position slightly off then the housing won't lower down until the rotor has been moved.
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Old Jun 12, 2011 | 12:26 PM
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From: cold
yeah once you actually get in there it's not a big deal to get the rotors lined up. worry more about dropping a corner seal
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