It runs at a constant speed, the more load on it the more gas it will use. If it slowed down, the voltage would drop.

The brand name is Wen

105 lbs.

You can call 1-800-232-1195 to inquire about repair parts.

This is not an inverter type generator that provides better electrical current quality than regular generators. It should be adequate to run TVs and radios that can take fluctuations in voltage output. For things like computers and more sensitive electronic devices like HD TVs, I would not recommend this type of generator. Some devices can be damaged by voltage changes.

I could not find any reference to an owner's manual online. You can contact the company at 1-800-232-1195 to see if they can send you a copy or refer you to an online copy.

No electric start option. Most models with that option run from at least $360 and above.

it's about 100lbs.