You posted the same question on Lawnsite (another forum). How could anyone possibly know the exact spec on valve guide on that specific Briggs model cylinder head, without having a good one out on the bench?
If the valve guide actually moved, the only real way to make it right long term is a new...
New potential customers that “have to get equipment fixed” immediately I can not and will not help. They can keep calling until a shop will jump through hoops for them. I have a minimum diagnostic charge so they at least have some skin in the game.
I only work on four brands of handheld...
You don’t have enough load on the engine. Why anyone would take the good line head off and install one where you have to constantly stop and add more line is beyond me. You have to have the trimmer line all the way out for correct load, and let it rip. 2-strokes love full throttle.
Every engine starts differently, period. Some love no choke most of the time. Some love it to blip the choke if it 100 degrees outside. Has nothing to do with how the current state of the engine is (running right vs running rough). It is just the way it is after starting hundreds and hundreds of...
Heet allows the fuel and water to mix so that a tiny amount of water can be burned with the gas. Heet will not overcome large amounts of water. The label says one once of Heet per gallon.
I would say your mower with 30 hours on it has either older gas, or gas with water in it, and possibly...
Most days I feel good, good attitude, and good energy level. I can still outwork guys in their 20’s and 30’s. If you don’t have physical and mental health it makes everything much worse.
I know we are talking about small engines specifically on this forum, and this thread is addressing running...
I appreciate hearing from you guys, and your life experience and mechanic experience. I am 59 and this is my fourth career (small engines), so don’t have the many years of experience some mechanics have.
Turning a wrench correctly is one thing, however, running a shop, and all the different...
Are you able to correctly adjust valves? I ask because you asked what is spec on valves for this engine. It is simply a matter of looking it up. Intake: .004”
Exhaust: .006”
Good luck.
Honda makes a great self-propelled mower. Honda got out of gas push and self-propelled mower business 2 plus years ago, so this mower is new old stock.