Author Topic: jonsered 49sp  (Read 3399 times)

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Offline Cut4fun

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Re: jonsered 49sp
« Reply #10 on: July 08, 2014, 02:31:50 pm »
I know different countries have different octane ratings.  Thats why I didnt bring it up.

Your IP comes back to Florida. How are you getting 85 octane?

Here in U.S. min 89 IMO and lot of saws say min 91 right in their manuals. 
87 here I was told by a old dolmar dealer creates to much heat. Even though folks still run it.

Offline Cut4fun

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Re: jonsered 49sp
« Reply #11 on: July 08, 2014, 02:40:17 pm »

Offline aclarke

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Re: jonsered 49sp
« Reply #12 on: July 08, 2014, 10:48:14 pm »
Where are the high an low carb needles set from the closed position?

Offline shrek366k

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Re: jonsered 49sp
« Reply #13 on: July 10, 2014, 03:36:04 pm »
The high is about 1 1/4 out, the low is 1 3/16 out. I have had two different mechanics look at them an I have them perfectly where they need to be. I also found out I had two small of a fuel filter and I changed it to a bigger one and changed fuel to 91 octain and a Huskavarna 2 cycle oil witch is for 2 1/2 gallons. So I mixed 2 cycle oil ta 2 gallons for a little extra oil mix. This is what my buddy runs and our saws love it. P. S. I live in Pocatello IDAHO.

Offline shrek366k

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Re: jonsered 49sp
« Reply #14 on: July 10, 2014, 03:41:16 pm »
I live in Pocatello IDAHO. We have 85, 87, an 91 octain.

Offline aclarke

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Re: jonsered 49sp
« Reply #15 on: July 10, 2014, 04:26:06 pm »
Test for spark after it dies to rule out ignition issues.  when it dies, does it quit cleanly or sputter and run rough? Adam

Offline aclarke

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Re: jonsered 49sp
« Reply #16 on: July 10, 2014, 04:42:25 pm »
Went back and 're- read this.  Try running it again til it stops, then check for spark. I'm still thinking it's a fuel issue, vent issue. Run the Saw with the vent removed or crack the tank after the Saw dies and see if it will run again.   

Offline shrek366k

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Re: jonsered 49sp
« Reply #17 on: July 11, 2014, 12:20:33 pm »
Last night I had ken at kens world look at my saw and he said everything was good until he started putting it back to gether and he noticed that the gasket in between the carb and intake is the wrong one. He said it was to small cause it was not covering a little part of the fuel intake so it was leaking gas and causing it to not run properly. So today I will find out if it is the problem or not. I will let everyoneknow if it is the problem or not. Thank you all for the help iI greatly appreciate it very much.

Offline shrek366k

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Re: jonsered 49sp
« Reply #18 on: July 11, 2014, 12:20:50 pm »
Thank you to all, you have helped me out a lot.

Offline sharkey

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Re: jonsered 49sp
« Reply #19 on: July 13, 2014, 01:07:48 am »
Im wondering if that gasket was blocking the impulse to the fuel pump side of the carb?  By using the choke you would pull only enough fuel from the tank for a couple minutes run time.  There would be a little more fuel coming from pressure in the lines from shaking the tank, but surely not enough for a couple cuts. 

 

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