While the carburetor can be adjusted with a single screwdriver, an inductive tachometer ensures the engine is idling exactly where it needs to be. Check your manual for instructions on how to do this, as there are a variety of ways the cable attaches to the carburetor. Stop when the idle speed begins to increase, then turn the screw clockwise a quarter-turn. Stop and turn the pilot air screw clockwise a quarter turn, then repeat the test ride. I have a 2004 yamaha kodiak 400. Got it with in 2 day's put it on my kodiak hit the starter and it fired right up, throttles out good no adjusting to it.Thank's guy's. Check the bowl gasket to be sure it is seats properly and will not leak. I took off the carb and cleaned it with compressed air took out the jets blew them out all clean. If you want to know more or withdraw your consent to all or some of the cookies, please refer to the. Mount the ATV and accelerate to a moderate speed from a standstill. Please enable Cookies and reload the page. Instead, use an impact driver with a Phillips bit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ve bought 3 carbs for my atv and had nothing but problems. The adjustment Could injure the eyes. Any adjustments made to a cold engine may cause the idle speed to increase beyond the specified 1,450 to 1,550 rpm range; this can make it difficult to shift gears and cause the engine to race at idle. Thanks I would like to know why the Yamaha engineers put an air jet needle on the bottom where you have to take the fuel tank off just to get to the carb and remove it to do the adjustments what were they thinking??? Park the ATV and stop the engine once the ATV smoothly accelerates from a complete standstill. It's hard to see, but the port for the air/fuel mix screw is on the spigot side of the carb, directly under the … There is a small metal "tang" in the center of the float assembly that bends easily. Manual will be automatically added to "My Manuals", Offroad Vehicle Yamaha BEAR TRACKER YFM250XP Owner's Manual, Offroad Vehicle YAMAHA BR250F Service Manual, Offroad Vehicle Yamaha BANSHEE Owner's Manual, Offroad Vehicle Yamaha BANSHEE 350 Owner's Manual, Offroad Vehicle Yamaha BRUIN 250 Owner's Manual, Offroad Vehicle Yamaha BRUIN 350 Owner's Manual, Offroad Vehicle Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT Owner's Manual, Offroad Vehicle Yamaha BIG BEAR 4X4 YFM40FP Owner's Manual, Offroad Vehicle Yamaha BIG BEAR 4X4 YFM400FWNM Owner's Manual, Offroad Vehicle Yamaha Big Bear YFM350UBL Owner's Manual, Offroad Vehicle Yamaha Big Bear YFM400R Owner's Manual, Offroad Vehicle Yamaha BIG BEAR 4X4 Owner's Manual, Offroad Vehicle Yamaha BIG BEAR YFM400FPR Owner's Manual, Offroad Vehicle Yamaha BIG BEAR YFM400FPS Owner's Manual, Page 10: Location Of The Warning And Specification Labels, Page 21: Description And Machine Identification, Page 26: Oil Temperature Warning Light Checking Method, Page 59: Reverse Knob Operation And Reverse Driving, Page 71: Ride With Care And Good Judgement, Page 108: Periodic Maintenance And Adjustment, Page 110: Periodic Maintenance Chart For The Emission Control System, Page 111: General Maintenance And Lubrication Chart, Page 113: Engine Oil And Oil Filter Element, Page 136: Brake Pedal And Rear Brake Lever, Page 139: Adjusting The Rear Brake Light Switch, Page 141: Cable Inspection And Lubrication, Page 160: Recommended Engine Oil Classification, Page 169: Yamaha Extended Service (Y.e.s. Question by: Darrell Ingold on Apr 15, 2019 11:01:00 AM. }(document, "script")); Tilt the carburetor upward till the float stops moving, or "seats." The carburetor could be adjusted to alter the engine's idle speed as well as the amount of air mixed into the carburetor's pilot fuel system, which fed the engine from idle to a quarter-throttle. The beginning of the part number is slightly different for these models, so I cannot confirm this carb will fit. We do not list your Kodiak in our fitment guide, which is provided by Mikuni. We have no way of knowing. The Yamaha Big Bear debuted in 1996 as a 400 cc utility-type all-terrain vehicle that quickly became popular among game hunters. Open to all Grizzly models including 700, 660, 600, 350, and 125. Turn on the fuel selector valve, and inspect for leaks. General : 727.342.5601   Toll Free : 1.888.792.0692, 6 Review(s) This carb came from MIkuni with the fitment specified as only for the Kodiak 400 models. It's hard to see, but the port for the air/fuel mix screw is on the spigot side of the carb, directly under the …

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