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Post by pistonguy on Oct 3, 2015 15:16:26 GMT -5
Oh thats Gnarly Bruh. Shut it off. So... any ideas??? I'm listening to it over and over........ and over Lets give it a few. the video is good just really hard to make a call.. |
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Post by dickyh on Oct 3, 2015 15:26:39 GMT -5
I'm listening to it over and over........ and over Lets give it a few. the video is good just really hard to make a call.. thanks! truly appreciate it... |
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Post by tvnacman on Oct 3, 2015 21:45:22 GMT -5
check the cam bearings and valve lash.
John
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Post by dickyh on Oct 4, 2015 5:52:21 GMT -5
check the cam bearings and valve lash. John Both are fine. I can't see how either would make this noise |
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Post by tvnacman on Oct 4, 2015 7:44:27 GMT -5
shoot a video of the cam bearings and rockers while its running. Lets have a look. Keep a rag under there will be some oil splatter. Be sure to get the front and rear bearing in the video.
John
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Post by dickyh on Oct 5, 2015 18:09:23 GMT -5
getting a new engine as I can't afford to have this thing blow up so to speak. once I get the new engine in, I'll tear this engine apart and see what the issue might be. Will be a good learning experience to tear it apart and see what makes it tick, so to speak. and If it is something I can fix, I'll have a spare engine...
Really didnt want to have to, but my scoot is my main transportation so could chance another major breakdown.
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Post by dickyh on Oct 11, 2015 13:02:18 GMT -5
so I found a local mechanic and had him listen to the scooter and he said it was probably the crank shaft bearings... I had thought about that and looked at vids detailing how to change them and it was a bit intimidating and the engine had to come out anyway. So I'm still putting in my new engine (coming tomorrow) and when i have a chance, I'll pull the other apart and change the bearings and may buy a used scoot that doesn't run and pop the engine in it so I'll have a backup
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Post by pistonguy on Oct 11, 2015 14:56:44 GMT -5
K, cool take some pics of the failed parts please. The Crank Bearings are Pressed on the Multi Piece Crank. This can be all pressed apart by a competent Crank shop as it will need to be trued correctly know body is doing this due the Low Cost of a Complete Crankshaft OE or Stroker. Pics coming up    |
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Post by dickyh on Oct 12, 2015 5:19:21 GMT -5
K, cool take some pics of the failed parts please. The Crank Bearings are Pressed on the Multi Piece Crank. This can be all pressed apart by a competent Crank shop as it will need to be trued correctly know body is doing this due the Low Cost of a Complete Crankshaft OE or Stroker. Pics coming up Will do on the pics. As for the bearings, what I really meant was to change out the CS and not the bearings. It may be a while till I get to it as once I get the new engine in, I'm taking a break as I've stressed out way too much on all of this. A VERY expensive lesson learned on setting the correct valve lash. who knew a simple mistake could cause so many problems... |
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Post by dickyh on Oct 16, 2015 21:02:54 GMT -5
So, I got my new engine and switched the stator to 11 pole. put my dr. pully weights and variator in and dropped the old engine- took the rear tire and swing arm off and then it hit me...
Tomorrow, I was going to put the new engine in... Well guess what. the new engine has a short axle and my old has a long. i have duel shocks on the back, one that attaches to the swing arm and now the swing arm won't fit on the new axle which is about 4 inches shorter...
Is this the norm for short case engines? I am so confused at this point... the back end is only held up by one shock? or am I totally missing something here?
how difficult would it be to switch the axles and will it even fit?
should I even bother and just take the other shock off? I just want to get this back on the road and be done with it...
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Post by cyborg on Oct 16, 2015 23:48:52 GMT -5
I think in the original engine it's an "Oh that's where that nut went " moment,,,get a strong magnet drain the oil and go into the crankcase thru the fill port with the magnet,,,,I think it may be a piston clip,,,,
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Post by dickyh on Oct 17, 2015 13:47:03 GMT -5
UPDATE - Went with the short axle for now. New engine is in and runs great! The beauty of the fuel injection is that it pretty much tunes itself. had to adjust the idle and that's about it.
Next week i'll probably start pulling the other apart and see what was making that horrific noise.
Honestly, I can't tell that this is a 150cc engine VS my old 168.9cc
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Post by JoeyBee on Oct 17, 2015 19:15:12 GMT -5
Your new 150cc engine is fuel injected???
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Post by ghcoe on Oct 17, 2015 20:42:50 GMT -5
Honestly, I can't tell that this is a 150cc engine VS my old 168.9cc Pretty much the same engine except the head bolts are a bit farther apart and a different head. With the cooling shroud on they look the same. |
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Post by cyborg on Oct 17, 2015 21:25:08 GMT -5
I'll put a 20 spot on a piston clip
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