Raptor 660 backfire through carb. See full list on atvhelper.

Raptor 660 backfire through carb. . Just a carb and exhaust change will do wonders. It starts and idles like it is brand new. With a little rpm it smoothes out. I suggest cleaning the carbs. Before i did the valve adjustment the quad didnt completely run right, it always had a small hiccup ( always thought tuning was off), but now that i adjusted the valves to the right specs the quad will start but immediately starts to hiccup through the carbs and backfire then die. Apr 11, 2011 · HERE RED 2002 Grizzly 660, 28" Gorilla Silverbacks, Wiseco 11:1 Piston, HotCams Stage 1 Raptor Cam, Raptor Valve Springs, DizGrizz Serious Air Filter Mod HERE, K&N Air Filter, Custom Rad Relocate, 1mm Shim, 660 Mega-Air Snorkels HERE,Powermadd Handguards, ODI Rogue Grips. I have spent years messing about with the carbs on the 660 raptors, and I picked up a few tricks in the process. It seems to be running a lot better, it will go full throttle for a second then backfire again. Built a 02 raptor for a friend from a basket case. wetzxuql zjxs 2c jf pjx1k npz zosy kb y0z owdm