Projects place > Tech
Did riding mower head gasket replacement - issue with starting
M:
Video of my mower smoking (go to :40+, you'll see the smoking better) https://youtu.be/xYDbcsENVjo?t=39s
This was my very first time to tear into an engine.
My riding mower started to smoke really bad, and common consensus online is that its the head gasket. Very common issue with this engine.
Took old one out, put in new head gasket and put it all back together. I really struggled with finding the correct position of the rods and when to measure the valve gaps.
When I tried to start it, the motor would spin about 3/4 and then stop. It will not start. Did I fuck up the rods and valve gaps, and need to redo it? Whats the trick in this area?
M:
Here's a time lapse video I did: https://youtu.be/sMHfV5j6PSU
mr.mindless:
if you can't turn a motor over by hand, NEVER try to start it.
Are you certain the lifters and pushrods are fully seated? Most common cause, and how I bent a pushrod in my truck after having rockers off.
M:
--- Quote from: mr.mindless on May 18, 2015, 09:26:18 AM ---if you can't turn a motor over by hand, NEVER try to start it.
--- End quote ---
I was able to move it over by hand when I put in the push rods and rockers. Then when I tried to start it, I can't move it by hand.
--- Quote from: mr.mindless on May 18, 2015, 09:26:18 AM ---Are you certain the lifters and pushrods are fully seated?
--- End quote ---
No. How do I determine this? Before I mounted/tightened the rockers, I spun the motor by hand and both pushrods moved freely.
rejeep:
--- Quote from: M on May 18, 2015, 10:38:30 AM ---I was able to move it over by hand when I put in the push rods and rockers. Then when I tried to start it, I can't move it by hand.
--- End quote ---
no bueno
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