Question: How To Clean Carburetor On A 2007 660 Grizzly?

Why does my Grizzly 660 backfire?

Backfiring usally occurs when the engine is running lean, or the intake valve(s) are not fully closed during the combustion stroke. Was the bike backfiring before you did your maint.? If not – try removing the uni filter and see if the problem goes away. If it does the engine is/was running too lean.

How much horsepower does a Yamaha Grizzly 660 have?

The vehicle’s horsepower is 40.9 hp (as of 2010), top speed is 70 mph stock, and estimated fuel economy is 14 mpg (16.8 liters/100 km).

How do you adjust the carburetor on a Yamaha ATV?

Look for the black idle adjustment knob attached to a cable on the left side of the carburetor. Turn the adjustment knob clockwise to increase the idle speed, or counterclockwise to decrease the idle speed, as needed to bring the idle speed to between 1,450 and 1,550 rpm.

Why does a Raptor 660 have 2 carbs?

The left carb is the primary carb and supplys the mixture up to about 1/2 throttle, where the right (secondary) carb starts to open and supply its mixture WITH the primary carb. This allows 2 smaller venturi carbs to combine to = 1 large carb when wide open.

How fast is a raptor 660?

Top speed of both is limited electronically at 75 mph (but modifiable).

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How many horsepower is a 700 grizzly?

The vehicle’s horsepower is 50 hp (as of 2016 – a 6% increase from the initial 47 hp of earlier models), top speed is 64 mph stock, and estimated fuel economy is 21.44 mpg (10.97 liters/100 km). Fuel: Fuel tank capacity is 5.28 US gallons/20 liters with a 1.19-US gallon/4.5-liter reserve.

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