1978 johnson thunderbolt

[fireman64]

The eng. runs great but when i

The eng. runs great but when i try to take off the eng. cuts off. I have to use the chock to get started. Once i get going the eng. runs great. Any clue.

 

[david_r]

"sounds like fuel delivary pro

"sounds like fuel delivary problem- dirty carbs, weak fuel pump, air leak, or fuel leak. how about the compression is it strong?"