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Talk about taking care of business! Pièces et accessoires pour YAMAHA 400 BIG BEAR YFM : pour accéder à votre catalogue de pièce YAMAHA 400 BIG BEAR YFM, sélectionnez son année dans le moteur de recherche. Changed oil cooler this last winter and I noticed that I never heard the fan running .
A strong 230cc, 4-stroke, air-cooled single over-head cam engine and 5-speed transmission with reverse give the Big Bear a high performance rating. There are several ways you can go about determining whether the bike is running too lean or not. 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 14: Location Of The Warning And Specification Labels, Page 20: Instrument And Control Functions, Page 21: Indicator Lights And Warning Light, Page 93: Periodic Maintenance And Minor Repair, Page 95: Periodic Maintenance Chart For The Emission Control System, Page 97: General Maintenance And Lubrication Chart, Page 103: Engine Oil And Oil Filter Element, Page 112: Cleaning The Air Filter Element, Page 117: Adjusting The Engine Idling Speed, Page 118: Adjusting The Throttle Cable Free Play, Page 119: Adjusting The Reverse Lock Release Cable, Page 122: Adjusting The Brake Pedal And Rear Brake Lever Free Play, Page 128: Checking And Lubricating The Cables, Page 129: Checking And Lubricating The Front And Rear Brake Levers, Page 130: Checking And Lubricating The Brake And Shift Pedals, Page 139: Replacing The Tail/Brake Light Bulb, Page 157: Yamaha Motor Corporation, U.s.a. Atv Limited Warranty, Page 159: Yamaha Extended Service (Y.e.s. If the bike, when you let off the throttle, make loud and hard popping/cracking sounds, almost like firecrackers, it is likely to lean on the idle/pilot circuit.
A temperature gauge is needed to get the correct readings.
When something is preventing the bike from getting rid of this heat as it is supposed to, or if some issue is making the bike produce more heat than it is designed to handle, heat will start building up in the exhaust system. Check if something is obstructing free airflow through the airbox. (Cargo and Rider), 3 Common Reasons Why Your ATV Battery Is Getting Hot, 6 Ways to Untangle a Stuck or Jammed-up Winch Cable, ATV Won’t Start – Troubleshooting the Most Common Causes, How to Charge Any ATV or UTV Battery – All You…, ATV Mud Tire Weight Comparison (With Charts), Average ATV Trailer Weight (With 10 Examples), How Much Do ATV Tires Cost – Comparing Different Types, Must-Have ATV Hunting Accessories for the Ultimate Rig. The Big Bear's engine was fed a by a single carburetor. The exhaust glows red when the metal heats up to where it’s getting closer to its melting point.
Yamaha Timberwolf, Bruin, Bear Tracker, Big Bear . Luckily he had water available and was able to put out the fire before it spread. Before we get into the actual causes for why your exhaust may be glowing, you should know that some glowing is perfectly normal on many ATVs. If the bike was already running a bit on the lean side in the summer, using it in the winter may be what tips the scale for it to be running too lean. Also, look for mud or some other debris clogging the pipe.
Winch mounts and ITP Mud Lite tires are standard equipment. If the spark is too weak or if it’s intermittent you won’t burn all the fuel, and you get incomplete combustion If the unburned fuel does not ignite until it enters the exhaust a red-hot exhaust is to be expected.
The same is true if the valve is (very) poorly adjusted, or even damaged, making it not close the exhaust port completely when it should. The only cooling the exhaust system will get is by the air passing by when you are moving.
For comparison jump ahead to the Big Bear 250 review below.
On top of that, they usually use thinner walls to save weight. The Big Bear's engine was fed a by a single carburetor. The Yamaha Big Bear 350 has a load capacity of 175 lbs and notable features include an odometer, electric start and reverse gear.
Do They All? Damaged vacuum lines will also make the bike running lean.
Picture this: You just got back home from an intense ATV trail-run when you notice that the exhaust is glowing red hot. Production of the Big Bear 350 was halted in 1999 when Yamaha re-focused on other ATV models.
Notre rubrique déstockage est vide pour le moment, revenez plus tard. Figures were taken directly from their owner's manuals. This fact prompted Yamaha to produce its first camouflaged ATV in 2000 with the Buckmaster Edition Big Bear. En attendant, vous pouvez accéder à toutes les pages du site et préparer vos futurs achats. Des conseils complets pour tous les composants tels que le moteur, la boîte de vitesses (boîte-pont) et les systèmes de freinage, de direction assistée et de refroidissement.
Si ce n'est pas le cas, n'hésitez pas à nous faire une demande de devis.
Pièces et accessoires pour YAMAHA 400 BIG BEAR YFM : pour accéder à votre catalogue de pièce YAMAHA 400 BIG BEAR YFM, sélectionnez son année dans le moteur de recherche. Reason 2: Dirty, damaged or poorly adjusted exhaust valves, Reason 4: Aftermarket exhaust headers or exhaust systems, Reason 5: No airflow when standing still idling, Reason 8: Something disturbing intake airflow, Reason 11: Wrong type of spark plugs installed, The difference between an ATV helmet and a motorcycle helmet, 10 Reasons Why Your ATV Battery Keeps Draining (Going Dead), Start by taking the ATV for a spin to get it up to running temperature. He rather chose the option of installing an aftermarket exhaust, allowing for much better airflow. This does, however, not necessarily indicate something is wrong with the bike. How Long Do They Last? These are easy to visually inspect, as well as fast and cheap to replace.
The compression should be lower than manufacturer specs.