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Author Topic: 445 tuning  (Read 530 times)

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Offline overclocking

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445 tuning
« on: October 12, 2017, 09:23:30 PM »
I have a 445, its a 2013 model. It hasn't been used much since it was purchased for a trim saw. When I got it I cut down a few bigger maples maybe 14-16 inches and I wasn't impressed with it at all.  Fast forward to now I tried to cut firewood,  12 inch oak and it just wouldn't do it. It just labors and bogs in the cut. It has the stock bar with a new chain. I would either like to see if I can tune it and if not its going back on the shelf and I'm going to buy another XP saw. I have read a few reports of people tweaking the high speed screw a little and getting some more power out of it. I modded the muffler a little and it seems to help very little.

My question is does anyone have any experience with modifying the 445? I would like to try to squeeze as much as I can out of it without porting it or tearing into it.

Offline dougand3

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Re: 445 tuning
« Reply #1 on: October 17, 2017, 11:30:04 PM »
I'd try L and H tuning. Then check carb diaphragms for stiffness. May be some varnish in carb and/or clogged screen.
Husky: 272xp, 365, 261, 61, 55 (x3)
Stihl: 036, 026, 011AVT
Poulan: 4218, 2000

Offline ladylake

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Re: 445 tuning
« Reply #2 on: October 23, 2017, 04:17:32 AM »
 Sounds lean, if you keep running it ,it will burn up if it hasn't already.  pull the muffler of and check for scoring and learn how to tune a saw.  Steve
Timberking B20 12000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Dino setter Volvo MCT125c skid loader

Offline John Mc

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Re: 445 tuning
« Reply #3 on: October 23, 2017, 09:55:38 AM »
Find tuning tips here (see especially the "Saw Tuning" link)

Madsen's Pro Chainsaw Maintenance & Repair
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow


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