adw
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Sounds like you have a mark 11 ring, you are not going to get that ring into that piston sir.
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Metal fuel tank, its either very old or it was a G machine, the sprocket on the left is how I remember it, fixed bearing with the shim but should also have the plastic disc from the one on the right.
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The 162,266,268 and 272 all used the same Oregon rim sprocket, the 61 and 66 both had the spur sprocket, what part no.s do you have?
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You need to to get the tap completely plumb to the cylinder, a quick tip if you have one, is to put the tap into the chuck of a pillar drill, clamp, or hold the cylinder, bring the drill down and turn the chuck by hand to start it off, this will keep t perfectly plumb to the cylinder. Try to get a quality heli coil kit, Armstrong make good kits.
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The figures can tell you an awful lot, the L setting is very important, the figure runs from 5 to 125, the lower the figure the richer the mixture, auto tune will always try to keep the engine running at full power, a typical figure of 10 or lower will most likely be an engine air leak, the fault codes given are taken from these readings.
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So if it’s a mark 11 it will say it on the ser no. plater in Roman numerals, completely agree with replacing the ring, unfortunately that screw is set by the carb manufacturer so no basic setting, bit late to say but you should not have removed it, with any auto tune saw idling is the first thing to loose if there is any drop in compression.
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That is going to have plenty of piston slap if you refit it, the carbon fouling is from poor quality oil being used, or far too much of it, so I would be fitting a new piston.
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And we all know who owns Zama.
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STIHL announces new route to market for battery and electric tools.
adw commented on Steve Bullman's record in News
So happens when the nice man at Stihl customer services says just take it to the local dealer who will gladly sort it out? What does the warranty card in with the saw say? -
STIHL announces new route to market for battery and electric tools.
adw commented on Steve Bullman's record in News
Been there, done that, wait till they see pallets of crap returns turning up back to them, hope they have plenty of returns storage in Contra. -
I do remember the Gilardoni cylinder but was sure it was closed transfer ports,it was a pro saw so it should not have been open, the 61 cylinder was always open. Must be having a senior moment about the 268 I guess.
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As Spud said air leak, it’s quite an old saw so I would say drive side crank seal, it may well have failed because the bearing cage has broken up, if still fitted take a look at the spark arrester, if there are signs of melted plastic the cage has broken up.
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All 268 were XP, there was nothing wrong with the Gilardoni cylinder, to the point it is now used on the 592xp, so am sure there will be little better performance.
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How old is it, the date of manufacture will be on the back.
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44 was the semi pro version of the 444, obviously that crank was the same, the 45 however was a completely different saw so I do not think the clutch and bearing will be the same.
