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Author Topic: Jonsered Cs2255 Looses aolot of power at full throtle  (Read 2842 times)

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Offline Logger615

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Jonsered Cs2255 Looses aolot of power at full throtle
« on: June 21, 2015, 10:53:55 AM »
While cutting yesterday noticed I started loosing full throttle as I was cutting. Fully warmed up if I try to give it full throttle it bogs down and dies. I can only get to half throttle before it starts loosing power in a big way.  Any ideas?

Offline dougand3

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Re: Jonsered Cs2255 Looses aolot of power at full throtle
« Reply #1 on: June 21, 2015, 03:43:47 PM »
Sounds like a fuel delivery problem. Some ideas...Fuel tank vent partially clogged - does it run better with cap loose? Fuel filter/pickup partially clogged? Fuel line hard or too soft and collapsing? Carb screen partially clogged? Carb diaphragms getting stiff? H screw too lean?
Husky: 372xt, 272xp, 61, 55 (x3)...Poulan: 315, 4218 (x3), 2375, 2150, 2055, 2000 (x3)...Stihl 011AVT...Homelite XL...Saws come in broken, get fixed or parted, find new homes

Offline ladylake

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Re: Jonsered Cs2255 Looses aolot of power at full throtle
« Reply #2 on: June 21, 2015, 03:50:23 PM »
 
 A lot of good points above, plus check the muffler screen, clogged they will have no power.  Steve
Timberking B20 15000 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     Suffolk  setter Volvo MCT125c skid loader

Offline Logger615

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Re: Jonsered Cs2255 Looses aolot of power at full throtle
« Reply #3 on: June 21, 2015, 05:00:08 PM »
Thanks guys, I was figuring some sort of fuel issue. Small engines have never been my strong suit didn't really know where to start, got a few things to check and rule out now!!
Jason

Offline lumberjack48

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Re: Jonsered Cs2255 Looses aolot of power at full throtle
« Reply #4 on: June 22, 2015, 04:28:44 PM »
 Open the low jet about 1/8 th of a turn [ turn it counter clock wise]
Third generation logger, owner operator, 30 yrs felling experience with pole skidder. I got my neck broke back in 89, left me a quad. The wife kept the job going up to 96.

Online Spike60

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Re: Jonsered Cs2255 Looses aolot of power at full throtle
« Reply #5 on: June 24, 2015, 07:17:59 AM »
Is this new and did you buy it at tractor supply? Was it set up and adjusted for you? They won't run right out of the box.
Husqvarna-Jonsered
Ashokan Turf and Timber
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