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  #1   IP: 174.194.192.157
Old 01-18-2021, 02:19 PM
AlanLindquist AlanLindquist is offline
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How to get TDC

I know how to find top dead center but in order to do that I need to spin the motor counter clockwise. I don’t have a special tool that goes over the roll pin. Is there another way to spin the motor that people have found that works for them? I tried putting the transmission in forward and turning the propeller shaft at the coupling to the transmission and I am not strong enough to turn it apparently.

The engine is not seized. I am merely changing out the distributor because the centrifugal advance was rusted seized on my current distributor
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  #2   IP: 155.186.122.195
Old 01-18-2021, 02:34 PM
Dave Neptune Dave Neptune is offline
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I spun mine by gripping the fan belt and twisting the alt fan. Worked fine but slowly.

Dave Neptune
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  #3   IP: 100.40.58.241
Old 01-18-2021, 03:16 PM
jcwright jcwright is offline
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I put a zinc on the prop shaft (inside the boat, near the coupling), then use a pipe wrench on the zinc. You probably already did this, but just in case--it helps to remove the spark plugs.
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  #4   IP: 24.15.212.17
Old 01-18-2021, 03:27 PM
Sam Sam is offline
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I took an inexpensive spark plug socket [softer metal] and ground out a couple of slots 180 degrees apart. Use it with a ratchet wrench on the roll pin.
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  #5   IP: 174.194.192.157
Old 01-18-2021, 04:50 PM
AlanLindquist AlanLindquist is offline
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Quote:
Originally Posted by Sam View Post
I took an inexpensive spark plug socket [softer metal] and ground out a couple of slots 180 degrees apart. Use it with a ratchet wrench on the roll pin.
Best idea yet. Thank you.

And yes the spark plugs are out.
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  #6   IP: 174.92.131.182
Old 01-18-2021, 04:59 PM
splashlog splashlog is offline
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I've done it with visegrips on the shaft at the flywheel. But then made a tool with tube steel and notching out 2 notches with a grinder. Not pretty, but works fine.
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  #7   IP: 174.195.203.43
Old 01-20-2021, 02:17 PM
AlanLindquist AlanLindquist is offline
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I just want to mention that this has been resolved. I was able to cut notch gaps in a three-quarter inch socket and have a handy tool now for setting timing
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