Posted by George Marsh on October 15, 2012 at 17:51:15 from (18.104.22.168):
I have a Honda GX390 on a 3700 psi pressure washer. I'm getting hard to start after it's set for a few months and I'm not getting any younger. Once I get it started, it's easy to restart. I crank the water pressure adjust to minimum and pull the trigger on the wand to remover load from pump.
Just wondering if perhaps the valves aren't set right? I've read one place the intakes are .02-.04 and exhausts are .08-.010. Does this sound right?
Also read the engine has auto decompression that operates off the exhaust valve. So if the exhausts are not on the money, could this be why it's hard to start?
Engine has a low oil pressure switch. Is it possible that I don't have enough poop to get the motor turning fast enough to build oil pressure? Once the oil is warm, it's easier to start. Should I try a thinner oil? What grade?
Does anyone have a flywheel with starter teeth and a starter? Love to have electric starter.
Does anyone have other ideas I could try?
Seriously thinking of buying a new pressure washer with electric start.
There are about 4 different pumps on the market. What's your favorite?
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