John Deere 120 Engine


John Deere 120 lawn tractor photo
1970 - 1971
100 Series
Garden tractor
Series map:
112
120
140
10.0hp
12.0hp
12.0hp
Engine Detail
Kohler K301AS
gasoline
1-cylinder
air-cooled horizontal-shaft
Displacement476 cc
29.1 ci
Bore/Stroke3.38x3.25 inches
86 x 83 mm
Power (gross)12 hp
8.9 kW
Air cleanerdry
Idle RPM1200-3800
Starterelectric
Starter volts12
Sparkplug gap0.025 inches
0.635 mm
Point gap0.020 inches
0.508 mm
Intake valve clearance0.010 inches (cold)
0.254 mm
Exhaust valve clearance0.020 inches (cold)
0.508 mm
Engine Oil
120 gasoline engine oil chart
Oil capacity1.5 qts
1.4 L
Oil change25 h
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on April 6, 2023
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