This could be as simple as a fuel pressure issue; however, we need to start by checking the pressure.
Here is a guide that will help with this on most vehicles:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
It does not directly apply to this engine because you have a float chamber that we need to check and make sure you are not dealing with a float issue.
Since this is a carburetor engine, we need to make sure it is getting fuel.
I am attaching the info below on this and make sure there is no restriction.
The next thing is we need to make sure the clutch is not hanging up. When the engine starts does it lurch forward? If so, we have a clutch that is not releasing.
https://www.2carpros.com/articles/clutch-doesnt-work-sometimes-or-not-at-all
I am attaching the process below on how to bleed the clutch which could be all we need to do.
Please run through this info and let me know what questions you have.
Thanks
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Tuesday, January 25th, 2022 AT 1:49 PM