justin_o_guy2
Serious Thumper
Offline
What happened?
Posts: 55279
East Texas, 1/2 dallas/la.
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Grab that thing & Lift it away from the valve tip, then press down, dont be shy. You really should be able to feel it "click" back down. Finding the correct Top Dead Center. As was mentioned, only one stroke creates pressure in the cylinder, & thats compression,once you feel the way the engine "does things" like suck & blow thru the plug hole, you can easily find the compression stroke. Someone mentioned bending the feeler gauge. Mine are out of the holder, single strips of shiny steel,with a Ski Tip Lip bent into them& a 90* bend about 3/4" or so back & then another 90 about 1/2" from that, making a Z, so I can get it between valve tip & riocker. I start by seeing if I can cram the Feeler I want in. If so, & it feels snug, I call it good. Otherwise I loosen it up to make it easy to get the feeler in, run the adjuster down finger tight, hold it with a screwdriver & snug the jam nut. Snugging the jam nut Lifts the adjuster into its threads & can change the adjustment a bit, so then I slip the feeler back & forth to see if I messed it up. I RAssled this Hard the first few times. I finally started using the thinnest feeler allowed & set it as close as I could & it stopped requiring such regular adjustment.
REcommend blowing the dirt out from the plug hole before removing the plug. I Didnt do that once & discovered a pile of crap around the hole. I spent a couple hours fishing sandy crap out of the cuylinder, with grease on a piece of weed eater line. The front tire does toss stuff that general direction.
I have a couple of offset screwdrivers that make getting onto the adjuster & holding it while setting the jamnut easy. Also,after I see I am close I can loosen the jam nut a hair & EEEk a tiny adjustment into it with that offset driver. I Wish I had a 10 mm that drops off on the ends, BUT I dont,, daggummmittt..
Take yer time, have a flashlight & a magnet handy. Ive dropped the feeler before.
Ohh Yea, as someone pointed out.Watching the valves will allow you to confirm what the pressure on your finger tells you. You can watch the exhaust valves pushed down, then close & the intakes open, then close. Then, when the marks line up on the L end of the crank, thats TDC.
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