Author Topic: Help with 338XPT  (Read 282 times)

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Offline Giles

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Help with 338XPT
« on: May 11, 2016, 10:10:40 am »
I have worked on chainsaws for over 50 years and never ran into a problem like this.
I need a piston for a 338xpt CALIFORNIA.
This California model has a 43mm piston as opposed to 40mm standard.
40mm is readily available but not the 43mm.
I have contacted five parts houses and no one can assure me that what they have, for close to $90.00, is a 43mm piston??
I even contacted Husqvarna and gave the serial number and they couldn't help.
I gave the representative part number 537075101 and he said that part number did not show up anywhere and then gave me the exact same number as the correct part for the California model???
When I questioned him, phone went dead !
Husqvarna Parts pdf gives piston part number ---537 07 51-71 and that number is no good.
Rant over.

UPDATE---Just found one at Bailey's  Don't know if it is my age or my computers age or both, but before, when I searched, all that came up was parts diagrams?
At least I found out that Husky representative was no help.

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Offline wild262

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Re: Help with 338XPT
« Reply #1 on: May 11, 2016, 11:00:16 am »
I'll do some locating for ya.  I know its going backwards, but if nothing else find a good OEM 40mm P&C and be done with it.  Good luck.

Offline Giles

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Re: Help with 338XPT
« Reply #2 on: May 11, 2016, 11:13:06 am »
That  might be better then paying close to 100.00 for a piston. Never done that before.
Skirt is broken on mine but cylinder looks perfect.
Thanks for any help!

Offline Cut4fun

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Re: Help with 338XPT
« Reply #3 on: May 11, 2016, 02:35:19 pm »
Here is how I read it on my quick search. WAG =

Husqvarna 338 XPT California IPL http://www.husqvarna.com/ddoc/HUSI/HUSI2006_AAaa/HUSI2006_AAaa__5449742-01.pdf

husky 338xpt California IPL http://www.husqvarnapartstore.com/#%2fHusqvarna_Power_Equipment%2f338_XPT_California_%282004-08%29%2fCylinder%2f08|~193|~407%2f081930009

537075171 was original 43mm piston and has been superseded to 537075101 and cost $73 new.

Also new part number shown here as 43mm and $68  Husqvarna 537 07 51-01 OEM Piston Assembly (43mm) for 335XPT, 338XPT Cali Version 537075101

http://www.baileysonline.com/Chainsaw-Parts/Chainsaw-Piston-Assemblies-Rings/OEM-Piston-Assemblies-for-Husqvarna-Chainsaws/Husqvarna-537-07-51-01-OEM-Piston-Assembly-43mm-for-335XPT-338XPT-Cali-Version-537075101.axd



REDNECK Saw Repair
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Offline wild262

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Re: Help with 338XPT
« Reply #4 on: May 11, 2016, 03:53:15 pm »
That  might be better then paying close to 100.00 for a piston. Never done that before.
Skirt is broken on mine but cylinder looks perfect.
Thanks for any help!
You might sell that cylinder on Flea-bay for enough to pay for that 40mm kit since there not very common.  Someone out there may be looking for one.  Get a good quality kit when you do cause as you well know, that model is a PITA to work on.
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Offline Cut4fun .

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Re: Help with 338XPT
« Reply #5 on: May 11, 2016, 04:06:57 pm »
REDNECK Saw Repair Getter Done

Offline Giles

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Re: Help with 338XPT
« Reply #6 on: May 11, 2016, 05:10:49 pm »
Thanks--I guess I got a rookie rep at Husqvarna. No help whatsoever.
Bet he wouldn't even know how to start a chainsaw.

I am not in a hurry, I'll give it some time before buying a new 43.
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Offline Eccentric

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Re: Help with 338XPT
« Reply #7 on: May 15, 2016, 04:49:22 am »
I also have a 335XPT California with the 43mm bore.  Piston is scored.  Cylinder looks like it'll clean up (not looking forward to working on that little clammy jug though).  Haven't quite convinced myself to buy the $68+shipping piston for the little bugger either.   I'll get to it at some point.  Rest of the saw is cherry...
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.
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