Author Topic: 064 Stihl  (Read 593 times)

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Offline SDB777

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064 Stihl
« on: October 18, 2015, 04:45:28 pm »
Having replaced the coil and now the rings(after cleaning the top of the piston as best I could), saw is back together and runs pretty darn good....until it get warmed up.  After the warm up idle, under no load, it runs great....maybe a tad on the rich side(yes, new plug).  But once it's warmed up and in wood, it starts to 'miss' and wants to die.......

Thoughts?  Cause?

This saw is quickly becoming a PITA(pain in the ^ss).



Scott (about fed up with it) B
Jonsered 2186
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Stihl 064
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Offline aclarke

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Re: 064 Stihl
« Reply #1 on: October 18, 2015, 06:42:41 pm »
Sounds like it may be starving for fuel?  Check the condition of the fuel line and filter, impulse line and the intake boot.  Also, did the saw sit for a long time with fuel in it?  Carb could have gunk in it...

Offline mdavlee .

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Re: 064 Stihl
« Reply #2 on: October 18, 2015, 08:58:37 pm »
Sounds fuel related. Which style vent is on it?

Online 3000 FPS

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Re: 064 Stihl
« Reply #3 on: October 18, 2015, 11:15:28 pm »
I am in the camp with Aclark.   Fuel filter, fuel line, or carb.
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Offline SDB777

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Re: 064 Stihl
« Reply #4 on: October 22, 2015, 10:25:05 pm »
Sorry for the delay...that dang job keeps getting in the way.

Saw didn't sit with fuel for very long.  I do use non-ethanol and stabil also.

Fuel line, impulse, and filter all new.  Intake boot has also been replaced, along with just about everything else....figure with all the parts I've thrown at this saw, I could practically have another saw sitting there.

Vent is a tube that comes up beside the off/on/choke switch.



Scott (glad I own a J'red) B
Jonsered 2186
Jonsered 2094
Stihl MS250
Stihl 064
WoodMizer LT-28

www.slabsblanksandboards.com

Offline aclarke

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Re: 064 Stihl
« Reply #5 on: October 22, 2015, 11:14:22 pm »
Does the vent tube have a grub screw or two in it???   Those become problematic with age, inspect that and make sure you can draw air through it.

Offline treeslayer2003

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Re: 064 Stihl
« Reply #6 on: October 23, 2015, 04:09:24 pm »
does it have a bing carb? i had a time adjusting mine after port and rebuild, a very touchy carb to adjust. make very small adjustments at a time.
Mike

Offline ELECT6845

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Re: 064 Stihl
« Reply #7 on: November 21, 2015, 08:05:32 pm »
Did you replace the coil with the same one? There are several coils that will fit the saw but if you have the wrong flywheel/coil combo the saw will act up. Does your flywheel have two slots? If so try moving the flywheel to the other slot.
 

Offline NewToStihl

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Re: 064 Stihl
« Reply #8 on: November 22, 2015, 10:16:18 pm »
So, just to be clear, you're saying once warmed up it'll idle & rev unloaded just fine and the problem only shows up when cutting?

Offline Cut4fun .

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Re: 064 Stihl
« Reply #9 on: November 23, 2015, 01:05:35 pm »
@SDB777  did you figure this one out?
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