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jsmathers(at)molalla.net
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 Posted: Sun Mar 02, 2008 5:18 pm Post subject: NSI EA-81 Timing problem |
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Hi all,
I haven’t posted in many moons but here is my problem….
I’ve ‘lost’ my flywheel and TDC orientation to the electronic timing gear thats mounted on the flywheel.
Could one of you fellow NSI engine owners for the EA-81 engine please tell me in what orientation
the ‘home notch’ (where 3 teeth are missing) goes in relation to the flywheel when it’s TDC on the # 1 cylinder?
I have tried 2 different positions out of four possible ( I’m not going to Vegas this year…) and it is sputtering and
backfiring like its timing problems.
Photos would be nice but if you can give an O’Clock orientation as seen from the front that would be good also.
Thanks again, Jeff Smathers KF5 Molalla, OR
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wingsdown(at)verizon.net
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| Posted: Mon Mar 03, 2008 8:37 am Post subject: NSI EA-81 Timing problem |
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The flywheel will only mount to the crankshaft in one way. The timing marks should be indented on the flywheel itself. Maybe I am not understanding your problem. Did you remove something? Was it the flywheel or a distributor? If it is the distributor, then move number one piston to TDC, rotate the distributor rotor so that it will point to the number one pole plug wire on the distributor and then insert the distributor into the drive hole making sure the rotor does not turn. Let me know if that is it.
Rick
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Fox5flyer
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| Posted: Mon Mar 03, 2008 3:02 pm Post subject: NSI EA-81 Timing problem |
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I'm not aware of any NSI EA-81 engines with a distributor. They have electronic dual ignition modules by Electromotive. I believe what Jeff is referring to is the trigger wheel that is attached to the flywheel. I'll go out this evening to check my books and see if I can find the proper positioning of the trigger wheel.
Deke
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Fox5flyer
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| Posted: Mon Mar 03, 2008 3:31 pm Post subject: NSI EA-81 Timing problem |
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Rick/Jeff, I've attached the instructions for the trigger wheel mounting and also the schematic for the entire ignition system. Hopefully this will help. Also, take a close look at your ignition wires as it's possible you may have one or more of them installed incorrectly.
Deke Morisse
Mikado Michigan
S5/Subaru/CAP 355+ TT
"The aim of an argument or discussion should not be victory, but progress."
- Joseph Joubert
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| Description: |
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| Filesize: |
253.09 KB |
| Viewed: |
371 Time(s) |
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229.44 KB |
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371 Time(s) |
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Michael Logan
Joined: 10 Jan 2006
Posts: 82
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| Posted: Mon Mar 03, 2008 5:13 pm Post subject: NSI EA-81 Timing problem |
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Jeff,
I saw the emails from the others. I think Rick is right, the flywheel only mounts one way. One thing to try first is to switch the wires coming from the pickups. I had the same symptoms you write about and I had the two ignitions switched. It sounds strange since it is supposed to be 180 degrees out from each other but it worked for me.
Mike
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Jeff Smathers
Sent: Sunday, March 02, 2008 8:15 PM
To: kitfox-list(at)matronics.com
Subject: NSI EA-81 Timing problem
Hi all,
I haven’t posted in many moons but here is my problem….
I’ve ‘lost’ my flywheel and TDC orientation to the electronic timing gear thats mounted on the flywheel.
Could one of you fellow NSI engine owners for the EA-81 engine please tell me in what orientation
the ‘home notch’ (where 3 teeth are missing) goes in relation to the flywheel when it’s TDC on the # 1 cylinder?
I have tried 2 different positions out of four possible ( I’m not going to Vegas this year…) and it is sputtering and
backfiring like its timing problems.
Photos would be nice but if you can give an O’Clock orientation as seen from the front that would be good also.
Thanks again, Jeff Smathers KF5 Molalla, OR
[quote]
href="http://www.matronics.com/Navigator?Kitfox-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
[b]
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Mike Logan
Fredericksburg, VA |
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Fox5flyer
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| Posted: Tue Mar 04, 2008 5:20 am Post subject: NSI EA-81 Timing problem |
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Jeff, I did a little digging this morning and I found a bit of info regarding install of the trigger wheel. If this doesn't make sense, let me know.
Deke
" > Hi all, This is how to install the flywheel and trigger wheel.
| Quote: |
1. Put number one cylinder to TDC. The crankpully should be
at
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| Quote: | 0'tdc.
2. Put the flywheel notch at the top. 12 o'clock
3. Put the trigger wheel notch at 9 o'clock
4. The missing tooth should be at the 6:30 to 7 O'clock position.
That's it. I am posting a picture of this also.
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