My 1991 honda civic began to stumble upon acceleration and eventually quit. I have been unable to get it started since. It has a full tank of gas, new timing belt and water pump. The starter turns the engine. Any suggestions?

Running through the tests outlined in sections A and B below should identify the problem:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563.html