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Post by lcaperell on Jan 21, 2016 23:16:19 GMT -5
Ok I have taotao 2014 80cc. Bolts broke where the muffler hooks to the head so replaced the head. Now it turns over but wont start.Getting fuel. Have good compression. Spark plug good. Adjusted the timing. Any ideas?
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Post by Clank on Jan 22, 2016 1:13:38 GMT -5
Did you check your valve lash? Did set your crank shaft to your cam? Did you put a spark plug in? Did you connect the plug boot to the plug? Did you plug the plug wire to the coil? Do you have good fuel in it?
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Post by scott7 on Jan 22, 2016 5:19:27 GMT -5
You said you had good spark plug ,but do you have spark? ,did you hook up ground wires to valve cover bolt?
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Post by lcaperell on Jan 22, 2016 7:36:01 GMT -5
All the above was done. Now it is leaking oil out of exhaust and backfiring when trying to start!
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Post by scott7 on Jan 22, 2016 9:41:55 GMT -5
I would double check the timing. What did your compression check come to ? Did you torque down head bolts with torque wrench to the right torque ?
Is it leaking at cylinder head or engine block gaskets ?
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Deleted Member
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Post by Deleted on Jan 30, 2016 8:54:00 GMT -5
Exactly check to make sure the timing wheel is trimmed with the 'marker hole' at the valve head front location. Back-firing engines sound funny though, but aren't useful except for comedy.  I literally just follow this and rotate the timing gear to that one hole 'top dead center' whenever opening the valve head to adjust valves and stuff. Good job getting a new valve head for the exhaust port bolt issue though. Hopefully this image helps with the second try to get the timing on time, and good 'running's without inaccurate timing back-fire issues.. =| Also to get this timing gear to rotate, I don't take the whole engine apart (just the valve cover with exhaust prob ya had).. and to turn this 'timing gear' to dead center I gently rotate the air intake flywheel area (on the right bottom side of the engine, It has white large fins) with a flat head screwdriver.. This image helps, I just don't understand why they took all that plastic off when one can just run a screwdriver into the fins to move it a few steps at a time.. (Less Disassembly / Re-Assemblage..) But these are the fins you can 'push' through the cover gently to line up your timing to the 'Top Dead Center holes' =] I second the 'grounding cable' not being connected upon valve cover re-assembly.. But honestly it wouldn't do anything not even back-fire in my experience of forgetting the ground green cable thing. |
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