bolens lawn tractors 831

Bolens 831 tractor photo
1979 - 1986 Riding lawn mower
1979 - 1986
Riding lawn mower
1979 - 1986
Riding lawn mower
1979 - 1986
Riding lawn mower
Engine Detail
Briggs & Stratton 190707
gasoline
1-cylinder
air-cooled vertical-shaft
Displacement
318 cc 19.44 ci
Bore/Stroke
3.00x2.75 inches 76 x 70 mm
Power (gross)
8 hp 6.0 kW
Rated RPM
3600
Starter
electric
Starter volts
12
Sparkplug
Champion J-8
Sparkplug gap
0.030 inches 0.762 mm
Point gap
0.020 inches 0.508 mm
Engine Oil
831 gasoline engine oil chart
Oil capacity
1.125 qts 1.1 L
Oil change
25 h

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