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Model KRB650B KRB750A KRB750B KRH300A
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Displacement 2.8 cu in (45.4 cc) 4.0 cu in (64.7 cc) 4.0 cu in (64.7 cc) 1.6 cu in (26.3 cc)
Engine type Gasoline/2-stroke (50:1 Gas to Oil Ratio) Gasoline/2-stroke (50:1 Gas to Oil Ratio) Gasoline/2-Stroke (50:1 Gas to Oil Ratio) Gasoline/2-Stroke (50:1 Gas to Oil Ratio)
Fuel tank 67.6 oz (2.0 l) 67.6 oz (2.0 l) 67.6 oz (2.0 l) 16.9 oz (0.5 l)
Max air volume (with pipe) 450.0 cfm 720.0 cfm 720.0 cfm
Max Air Volume 755.0 cfm 800.0 cfm 800.0 cfm 450.0 cfm
Max air velocity 190.0 mph 200.0 mph 200.0 mph 125.0 mph
Carburetor Diaphragm Diaphragm Diaphragm Rotary Valve
Net weight 19.1 lbs (8.7 kg) 20.7 lbs (9.4 kg) 20.7 lbs (9.4 kg) 9.7 lbs (4.4 kg)
Width 18.9 in (480.0 mm) 18.9 in (480.0 mm) 18.9 in (480.0 mm)
Height 17.3 in (440.0 mm) 17.3 in (440.0 mm) 17.3 in (440.0 mm)
Blade case Yes
Noise level 71.0 dB(A) 73.0 dB(A) 73.0 dB(A)
Throttle type Tube Mount Hip Mount Tube Mount Grip with Throttle Lock
A/F technology Yes Yes Yes Yes