Craftsman mower with 7.5 Briggs OHV engine. Extreme back pressure when trying to start. Pulls cord out of your hand with extreme force. I have replaced flywheel key and opened engine. Did valves and removed piston, cleaned rings. checked cam lobes Every thing looks ok Honed cylinder also still will not start and pulls cord out of my hand. Any Ideas???
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Engine rz
- Thread starter rznjff
- Start date
- Joined
- Jul 15, 2013
- Messages
- 7,499
Post model xxxxxx, type xxxx, trim xx from engine as well as model number from deck.
bertsmobile1
Lawn Royalty
- Joined
- Nov 29, 2014
- Messages
- 24,995
Very hard to pull usually means the decompressor is not working
- Joined
- Jul 15, 2013
- Messages
- 7,499
Absolutely, engine cold, need to adjust valves to specs. & then give it a try.Very hard to pull usually means the decompressor is not working