My 1990 Yamaha Warrior will start. And run and idle great. But the problem is when you put it into gear it acts like it is getting no gas, i had the carb sonic cleaned,
What is the history of the quad?
Did it run fine before putting into storage? and now you have this problem?
Did the problem slowly start to get worse?
Any modifications?
Check the air cleaner and check the air box intake for blockage.
