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  1. chy_farm

    Stihl saws kickback on starting

    This plate has been welded on inside the muffler by Stihl factory, rough images are like these pic and a couple of drawings here. I said "reflector" for this, but original purpose seems to be a "defuser". I removed this "red-box-with-small-holes" partly.
  2. chy_farm

    Stihl saws kickback on starting

    I removed this reflector plate, but only partly, and now it seems she gets better.
  3. chy_farm

    Stihl saws kickback on starting

    Good morning Old2stroke, thank you for your words!! Now she gives almost no kick back to me, I greatly appreciate your tips here, many thanks. But somehow she once in a while blow-backs from carb. I know this saw is not a reed-valve type, so if exhaust port was clogged with dirt/carbon, blow...
  4. chy_farm

    Stihl saws kickback on starting

    Good evening Old2stroke, shame I overlooked this part from you. I wanted but I did not know it. Do you have this info in your hand?
  5. chy_farm

    Stihl saws kickback on starting

    Good morning Old2stroke. Tinkering chainsaw is not my job, it's my hobby, so digging deeper gives me deeper knowledge and makes my soul fascinate, this is only the reason I try fabricate my own sometimes. Making examination on an old broken coil is also a fascinating project to me, to know e.g...
  6. chy_farm

    Stihl saws kickback on starting

    Good evening Old2stroke, I agree that a motor needs enough propagation time after it got firing, so propagation time less than 25 degrees is not enogh for a motor. With understanding this, I yet do not like kickbacks, which gave me damage on my right fingers, jersey-fingers...
  7. chy_farm

    Stihl saws kickback on starting

    Good evening Old2stroke, and thank you for your comment. Yesterday and this morning I tried three types, 15 degrees before TDC, 17 degrees, and 19 degrees. This last one gave me a couple of, not very big, but small kickbacks when I pulled the starter. 15 degreees, no kickbacks at all, but carb...
  8. chy_farm

    Stihl saws kickback on starting

    Thanks Leaf and Old2stroke, appreciate your info. My project is Stihl 084, an old one. Her ignition did not make sparks so tried to fabricate another one on my own. This new unit works good so setting the timing will be next job to me.
  9. chy_farm

    Stihl saws kickback on starting

    Good evening Scruffy, thank you for this information. One question is, which way do you mean retard? Most of our saws spin counterclocwise when we see flywheel. So my thought is that this retard means you spin the flywheel clocwise a little. Is this right? Thank you in advance, Chy
  10. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    I do not think you are glutton Scott lol, but it is really a hard thing to get replacement parts here too, especially for these rare models. Chy
  11. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    On her arrival she was terrible!!
  12. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    Hahaha, I think so too!
  13. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    You might as well reasonable.
  14. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    At designing my double pipe, I wanted to rev her nearly 13,500rpm, so shot an inquiry to Echo Tokyo if she runs at that speed. Their answer was No, her designed max speed was 11500 to 11000rpm, not very high. My presumption to the reason for this 'low speed' is that for one thing they used a...
  15. chy_farm

    Echo Twin CST-610EVL Information Sharing Thread!

    Hi Scott, good morning. Thanks this sounds impressive! I have to head out for job now, will see and read more when I am back. Chy
  16. chy_farm

    McCulloch Carburetors

    Hello Eccentric, thanks to your tip I was able to find this information at the other site, CSCF. It will help me a lot in tinkering this old carb. Chy
  17. chy_farm

    McCulloch Carburetors

    All the contents here are very informative Heimannm, to me the most amongst them is this maximum velocity of rotation for stock 740. this information surely help me calculate another better pipe for that series. Thank you for sharing! Chy
  18. chy_farm

    McCulloch Chain Saws

    Good afternoon Mac&Homelite, not a Mac but in my previous case I used a seal sheet sold on the market, which is made of paper(probably). Saw is Stihl 084, 1; trace the outline of the unit you want to seal, 2; for copying the inside, use a stamp ink pad, push it to the case, and copy the...
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