| Engine Detail | |
| Briggs & Stratton 31P677 | |
| gasoline | |
| 1-cylinder | |
| air-cooled vertical-shaft | |
| Displacement | 499 cc 30.5 ci  | 
| Bore/Stroke | 3.57x3.06 inches 91 x 78 mm  | 
| Power (gross) | 19.5 hp 14.5 kW  | 
| Air cleaner | cartridge | 
| Starter | electric | 
| Starter volts | 12 | 
| Oil capacity | 1.5 qts 1.4 L  | 
| Sparkplug gap | 0.030 inches 0.762 mm  | 
| Point gap | 0.012 inches 0.305 mm  | 
| Intake valve clearance | 0.004 inches 0.102 mm  | 
| Exhaust valve clearance | 0.006 inches 0.152 mm  | 
| Page information | |
![]()  | |
| Copyright 2024 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on April 19, 2023 |