Got a yamaha bruin 350 runs great wont take throttle when in gear.

Question edited for clarity.
Question moved from motorcycles to ATV model category.

Turning over has nothing to do with the carburetor! Your battery is flat. It will need charging.

If the carb is leaking, it is because the float is set wrong or the float valve needle isn't seating properly.

Engines only need three things to run.

A supply of clean fresh fuel (not sitting a year)
A Spark at the right time.
Compression.

You say you cleaned the carb **in** carb cleaner, as opposed to *with* carb cleaner. Did you strip it down, check the float for holes, clean the jets and needles?

Question edited for clarity. Add maker.
Question moved to Yamaha Bruin category.

Likely to be a fault with the ignition switch Karen. There is help in the link.

https://www.google.com/search?q=2004+Bruin+350+won%27t+switch+off

..

Is the new carb oem part or aftermarket? Could be running too lean.

could be the starter clutch.

speedo cable prob broke.

I believe you have a loose wiring problem. Trace it from the battery to the ignition

Close to the battery on thr red wire in a plastic cylindrical fuse holder.

Main jet dirty. Likely Ethanol fuel fouling. Remove and clean jet. Check all rubber tubing to/from carb for cracks/deterioration and replace.

Check spark plug, that sounds like it's running little too lean.

try some injector cleaner in it? and check the fule/air filters