One of Yamaha's smallest utility quads, the BearTracker all terrain vehicle (ATV) debuted in 1999 and continued through 2004. Despite design differences between models, troubleshooting tips remain consistent for all Yamaha BearTracker quads, as illustrated in each owner's manual.
Two quick checks Beartracker owners should perform when experiencing operational problems include checking the fuel and oil levels. If the fuel gauge reads at, or near, empty, the gas tank should be refilled. The BearTracker ATV takes unleaded gasoline only. Yamaha recommends gas with an octane rating of at least 91. Check to ensure proper oil levels and refill with SAE 5W-30, 10W-30 or 20W40 engine oil.
Problems with the electrical system can prevent the BearTracker from starting. Check the quad's main fuse, located inside the fuse case underneath the seat. Turn off the main switch and check the fuse's central connection. If it has blown, replace it. The BearTracker takes a 20 amp fuse. Remove and charge the Beartracker's battery, as outlined in the owner's manual. If the battery is damaged, replace it with a new 12 volt, 14 ampere-hour battery.
If the BearTracker's engine does not start or if it runs erratically, adjust or replace the quad's spark plug. The BearTracker takes one plug, located inside the cylinder in the engine case. Replace this plug if it is damaged or burned with a new NGK DR7EA plug and ensure that the spark plug gap is set between 0.024 inches and 0.028 inches.
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