new ones won’t hurt .22uf but it may not be the cause of the problem.
just take them off and measure ohms analog needle meter are best for this and you should see a kick with resistance gradually increasing to infinity as the condensers charges itself from the probe voltage… a 0 ohms is a dead shorted condenser a no kick condenser is open.
https://wrcoutboards.org/wp-content/uploads/2021/04/Testing-Condensers-Correctly.pdf
Condensers are available at dealers buy new ones NOS new old stock condensers are just that old !!
your engine may have a kill safety preventing ignition make certain it isn’t the problem. clean clean clean the points
to service your oldy download this book it has all you need to service it. print locally and bind.
https://www.socalaomci.com/library/johnson_service_manual_10th_edition.pdf
condensers can be repaired if you feel up to it
https://wrcoutboards.org/wp-content/uploads/2020/04/Part4_Repairing_Broken_Condensers.pdf
Joining AOMCI has priviledges 🙂
