The 2 stroke 130 hp Yamaha is listed as having a dry weight of 358 - 368 lbs, depending on the particular model.
Around 130hp
166kgs
a 2009 Yamaha warrior weighs in at 396lbs
70 kg
19 kg
My 2006 yamaha R1 weighs around 870 lbs.
161 lbs
450
188 Kg
275lbs
The recommended spark plug gap (per NGK) is .039"
depends on how much you weigh.