I can not get my started. I have replaced the battery, fuel filter, and spark plug. I have spark, there is gas getting into the head, it turns over great but will not fire. There is power going to the bowl on the carb.

There is power going to the bowl on the carb.[/QUOTE] Could you further explain what you meant by this statement. Are you talking about the electronic fuel shut off? The timing and/or valves would be the next thing to check. I would also do a compression test.

If you have fuel getting to the cylinder and the engine is turning over fine, and you have spark at the plug, I would check the flywheel key. Even if the key is sheared the unit can still fire at the plug, but will not be firing at the precise time if the flywheel key is sheared.

Mowerman, are you as amazed as me where these folks disappear to after asking a question? Without a compession check we can't rule out a stuck or bad valve. See you, Bob