Let me clear all of this up for you. I have repaired dozens of Cruisin World Games over the years. Starting the early 90's the arcade industry finally started moving to a standardized power supply for most games. A few companies have variations of this standard. Atari and Sega being the ones the come to mind. However Midway, Konami, and most of the rest of the industry went to a 9 pin output voltage connector.
A larger rated power supply is always better in the long run as switching power supplies lose capacity as they age due to wear of the electronic components. You can put an underrated supply in a arcade game and unless you have severely underrated the wattage it will work but the life of the supply will be reduced.
Now keep in mind I am repairing games that are in a commercial environment. Most of the time they will run at least 8 to 24 hours a day 7 days a week. Most collectors usually do not run their games in this manner.
The supply that I recommend you consider is the Happ Controls model. I buy these in large quantities and are very happy with them. Do not be confused by the picture. This is a universal supply. It can be hooked up to a remote on/off switch or controlled by the power switch on the back like a personal computer has. It also has two 9 pin connectors but you will only use one in Crusin World. They have identical pin outs so you can not get them wrong.
https://na.suzohapp.com/products/power_supplies/80-0002-10
I show it selling for $38.
One other thing. All the Crusin boards are real fussy about their 5 volts. You need to be real close to 5 volts as measured on the logic board or the game will randomly reset. The cool thing about this supply is you have an external 5 volt adjustment to dial in an correct 5 volts. Not all supplies have this feature and it is very important to Crusin world.
I have installed 100's of these supplies over the years and like most electronics some do fail over time. But the reliability of these supplies are much higher than some.
-roger-