[chip6990]

i got a '03 GT3235 w/a 25HP Kohler Com. It started losing rpm when i was mowing thick high grass, i noticed i was smoking the PTO drive belt. so i replaced the drive belts and blades. today when i mowed, at first when i engaged the blades, it souned like it was gonna take off like a helicopter, after about 3 swipes, it started losing rpm. the grass was not thick and maybe cutting 1/2" off at most. i gotta stop and let the rpm's come back up before i can continue. if i move at a snails pace, it seems ok, but if i try to get after it at all, it seems it cant keep up. i have the vacuum actuater adjustable rod, adjusted as far as it can go to put the most pressure on the belt. my guess is that its losing vacuum somewhere. this a common problem? any idea are greatly appreciated. cant make any $$$ just crawling.