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I reckon chilling the bearing has more to do with the time it takes to expand, rather than how much it shrinks. Take a .003" heat shrink fit for example. Chill bearing from 2.0000" to 1.9998" Bearing is 2.0000" at room temp. Bearing expands to say..... 2.0010" at some temp between room and an...

Thinking of a chainsaw "holster". Think a spare tire mounted parallel with the back of a pickup truck window. I'd like to mount a saw to holster to the wheel. The bar side of the saw flush/parallel with the spare tire. I'd grab the saw from the driver side, straight out/perpendicular to the door...

How odd is this practice?

Id put in the max amount in volume(i.e 5gal in a 5 gal can), seal it 100%, and not be concerned. For a 90° summer I had 6 5gal jerry cans sitting covered outside. Newer style with no vent. They sure swell up, and were permanently swollen that 5gal at the pump wasnt enough to meet the 5gal line...

Fuel was 94 octane no ethanol. 40:1 with stihl oil. Wasnt that old but if I recall correctly it was purchased in the winter ish time. I was running a ms250 as well. Wasnt running as highly strung and would 4 stroke in the wood. Fuel from the same jug. No issues. I'll get "summer" grade fuel. I...

Ms261cm fires up and runs great cold. Runs in wood without issue for about 8-10 cuts and then dies. Will fire, and then dies immediately upon touching throttle. I pulled the gas cap and noticed the fuel bubbling in there from the filter. After around 5 minutes or so the bubbling stopped and it...

The email notification got me back here... As an update to the OP... I now own a 250 and 261cm. I put a walbro carb on the 250 as the fix for my starting and running issues. It has been mint since. Fires in 6 pulls or less no fuss, runs like a top. Responsive to minute needle carb...

What is the octane rating of a fuel? The ability to resist ignition. What is ignition? (Spark)Timing and compression. What is your timing, what is your compression? Brand new, rated at 89 with 10% ethanol. Ethanol reduces octane rating. 87 eth free probably going to do the job. Saw is half...

50 years or so. Crack it open at 50... probably still good for 50 after that.

Not in a million years I would put straight OIL in my vehicle gas tank. Ive read that countless times... "just dump your old mix in the tank". For 1, NO. For 2. Youre dumping 20ml of oil in there for every liter of mixed gas. Thats 75ml per gallon..... refined gas is pretty oil free. I wonder...

Fat would mean there is more fuel than necessary for stoich burn. Carbon/soot is generally from not getting hot enough, not getting worked hard enough. Unburned fuel/oil collecting as deposits. Could be your blower is set too fat/rich and isnt winding out enough in the RPM to become "hot", or...

1 gallon plus 4 ounces is 131.82oz. At 50:1 requires 2.64oz. You have 1.5% less oil in there than a true 50:1. Or, 1.4% too much gas. Say only 2.5oz made it in there you're at 52.75:1. I rinse my oil measure with the fuel I'm using to get the walls. I'm also anal. Not even calculating the...

For the amount of work it takes to pull a cord out of the woods, I know $600 isnt that much. We're allegedly $220USD ($280CAD) for a cord in the interior of BC where wood is plenty. I say allegedly because I havent ever picked up the phone and made an order or boughten a cord. That price figure...

600 a cord? Damn. Thanks for the tips. My cutters do look a bit fuzzy in the pic. There is a burr rolled up on the top and side plate but the finished tooth is SHARP. How do I get the burr off without inadvertantly dulling the razor edge? I dont cut enough to warrant the $200 in tooling and...

Try it...will do. Guess thats really whats gonna get me learnt proper :laugh:

Burning the midnight oil lol

That was fast. Normally I'd be on the bar but I was given 2 free chains with all the cutters pretty dinged up. Just playing around with this and then I'll put em in my spare bag. Is it going to cause me excessive wear to the bar, or will I be fighting crooked cuts with some cutters shorter...

Heres 3 pics of a separate tooth on the same chain that I took all the way back. As you can see theres a lot of wasted chain doing this. Will it cut well only smartening up the bare minimum? Durable? Or do I call it a loss and cut half the cutter off?

Hi, couple questions about restoring a heavily rocked chain. Here are 3 pictures of the same tooth. Here are several pictures of that tooth smartened up a bit. This where my questions comes in. As you can see, its taking shape well, but the top plate is a smidge rounded still where its been...

Getting pretty heated here... maybe I'll split the difference and run 40:1 and call it day and sleep easy since I'm not on synthetic oil.... thats about what I've concluded based on everything said. Lol.