40 amps is 33% more than most of the original equipment generators produced. Unless you have a bunch of high current draw accessories like a bazillion watt sound system and/or a pair of high-wattage halogen headlights, you should be good to go!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!