How does the carburetor on a Big Bear work?

How does the carburetor on a Big Bear work?

The Big Bear’s engine was fed a by a single carburetor. 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.

Can a 2000 Yamaha Big Bear 400 be repaired?

Genuine parts give 2000 Yamaha Big Bear 400 4WD YFM400FM owners the ability to repair or restore a broken down or damaged machine back to the condition it first appeared in on the showroom floor.

What does OEM mean on a Yamaha Big Bear?

OEM is an acronym for original equipment manufacturer, which means that the 2000 Yamaha Big Bear 400 4WD YFM400FM OEM parts offered at BikeBandit.com are genuine Yamaha parts.

When did the Yamaha Big Bear come out?

This fact prompted Yamaha to produce its first camouflaged ATV in 2000 with the Buckmaster Edition Big Bear. The Big Bear’s engine was fed a by a single carburetor.

The Big Bear’s engine was fed a by a single carburetor. 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.

Why does a Yamaha bear tracker carburetor need to be rebuilt?

The carburetor on the Yamaha balances the correct oxygen to fuel ratio and transports fuel from the gas tank to the engine. Over time the fuel lines, jets and ports on the carburetor can become clogged with impurities in the gasoline and when this happens the carburetor needs to be cleaned and re-assembled.

How do you clean a bear tracker carburetor?

Place the carburetor on a work bench and remove the high-speed needle and the float and float valve. Do this with a screwdriver. Clean the inside of the float bowl and float with spray carburetor cleaner. Remove all the Bear Tracker carburetor jets with a screwdriver. Clean all the jets and fuel line ports with the carburetor cleaner.

When did the Yamaha Big Bear ATV come out?

The Yamaha Big Bear debuted in 1996 as a 400 cc utility-type all-terrain vehicle that quickly became popular among game hunters. This fact prompted Yamaha to produce its first camouflaged ATV in 2000 with the Buckmaster Edition Big Bear. The Big Bear’s engine was fed a by a single carburetor.

What should idle speed be on Yamaha Big Bear?

Turn on the inductive tachometer. Ideally, the tachometer should indicate an engine idle speed between 1,450 and 1,550 rpm. Look for the black idle adjustment knob attached to a cable on the left side of the carburetor.

The Yamaha Big Bear debuted in 1996 as a 400 cc utility-type all-terrain vehicle that quickly became popular among game hunters. This fact prompted Yamaha to produce its first camouflaged ATV in 2000 with the Buckmaster Edition Big Bear. The Big Bear’s engine was fed a by a single carburetor.

What makes Big Bear 400 Hi idle and backfires while running?

02 Big Bear 400- Hi-idle & backfires while running. Tried cleaning carb & air filter, drained bowl & cleaned with carb cleaner. Could there be aproblem with the choke. Clicking this will make more experts see the question and we will remind you when it gets answered.

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