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Post by dragono on Mar 9, 2014 17:31:11 GMT -5
I gave that a try. I aligned the marker between the T and F. It starts to sputter up more, but i'm still getting the loud pops mind you the exhaust is off at the moment however it still is popping many times.
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Post by alleyoop on Mar 9, 2014 17:42:23 GMT -5
NO man not between the T and F that will make it TO RETARDED..JUST BEFORE THE "T".
How many links did you move it over?
Also do not try to start it WITHOUT THE EXHAUST on it will be REALLY LEAN and burn your exhaust valve. PUT THE EXHAUST ON. and get the TIMING JUST BEFORE THE "T" or ON THE "T".
Take a picture of the timing now.
Alleyoop
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Post by dragono on Mar 9, 2014 17:53:15 GMT -5
Ok will put mark right on the T and re-align cam shaft accordingly. Will also re-attach exhaust. Will report back soon.
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Post by alleyoop on Mar 9, 2014 18:07:10 GMT -5
Great, good luck and let us know.
Alleyoop
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Post by dragono on Mar 9, 2014 18:17:03 GMT -5
I reattached exhaust and now instead of sucking into the air intake its now blowing out the intake. I fear all is lost, I aligned mark EXACTLY with T not a hair in either direction.
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Post by alleyoop on Mar 9, 2014 18:29:26 GMT -5
Did you align the CAM and Flywheel and now it points to the "T" Good. But now you have to ADJUST the valves because you had them adjusted for the wrong timing. So now Adjust the valves .004 inchs on both. So bring it up to TDC again and now adjust the valves.
Alleyoop
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Post by dragono on Mar 9, 2014 19:05:06 GMT -5
I don't understand your first sentence. However, I tried adjusting valves and no difference. Still blowing out of carb instead of sucking in.  I am going to tear it down, (again) and see if the piston or valves are messed up in the morning. |
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Post by alleyoop on Mar 9, 2014 19:11:46 GMT -5
I just meant that you brought aligned the cam sprocket like in your picture and the picture of the flywheel THEN MOVED the CHAIN ON THE CAM sprocket ONE LINK like the picture I put up. That would move the Flywheel closer to the "T" mark.
Then after that you have to RE-ADJUST your valves because before they where adjusted for the wrong timing would cause the valves to open and close at the wrong time and cause the blowing out instead of sucking in.
But you may have already put a hole in the piston or the valves are bent. So If you did all the above correct and it still is blowing out then it does not look good.
Alleyoop
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Post by dragono on Mar 10, 2014 9:49:36 GMT -5
Moderate news: I tore it down a bit and other than two minor scrapes on the intake valve and piston head it looks fine.
Bad news: The whole thing is set exactly 180 degrees out of timing , hence the blow back through the intake. How did this happen? I feel as though the tensioner is letting this thing slip consistantly.
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Post by tvnacman on Mar 10, 2014 10:01:19 GMT -5
You need to be sure the chain seats on the gear on the crankshaft . That too will cause it yo jump time . Don't turn the engine over unless the tensioner in instslled . Then turn it over by hand .
John
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Post by dakotafig on Mar 10, 2014 10:08:19 GMT -5
Guess I should have read the original post a little better, didn't realize the engine was in pieces. Did you put the engine together? I realize this is a dumb question and I don't mean to insult so don't take it that way, but are you positive the timing was correct to start with?
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Post by dragono on Mar 10, 2014 10:54:40 GMT -5
Yea I never tried to run it without tensioner on it. Also how can I check to see if the chain is on the crankshaft? And no worries on insulting my intelligence I need a the help I can get. I'm pretty sure it was correct what I don't understand is how flywheel precisely to T so the magneto nub is slight past pick up point , test it all goes wrong, take it back off to look again and fly wheel is now exactly opposite of where I had it.
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Post by dragono on Mar 10, 2014 13:13:50 GMT -5
Update: turns out the woodruf key is sheared off. So I'm going to try to swap with another engine I have and see what happens. I knew I wasn't crazy. Thanks-for all the help though guys.
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Post by tvnacman on Mar 10, 2014 13:29:53 GMT -5
How bad is the crank danaged ? You might be able to clean it up and instsll a new woodruff key .
John
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Post by dragono on Mar 10, 2014 22:22:52 GMT -5
INSTALL A NEW KEY!!!! GEEZE i am a dummy. I just spent the better part of a day swapping out an engine, when all i had to do was get a new keyway, the thing lose all kinds of compression when I swapped also so I ordered a top end rebuild. (do they have a point gun at yourself smiley?)
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..BAD TO THE BONE..
