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Can't start Husk 257 saw - Garden

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  • lindsay836
    lindsay836 May 11, 2010

    Please tell me what you have tried, and I will walk you through getting stated.

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  • Master
  • 2,220 Answers

Before doing anything, remove, clean, and reinstall the air filter.
Remove, clean, and reinstall the muffler and spark arrestor.
Drain and refill the fuel tank with fresh 50:1 fuel mix. If there is ANY doubt the mix might be older than 1.5 months; replace it with a fresh mix.

It needs:
1. spark
2. air/fuel mix
3. compression
to run. Which 1 is missing?

Repair/test for above:
1. Replace the plug (very inexpensive and may save the cost of a coil). Test for spark (inspect the plug when you remove it – wet? The engine is flooded, the most common starting problem)
Ignition Coil Test by SmallEng.com
http://www.youtube.com/watch?v=L7WNBDRG4C4
You may need to use a jumper wire between the threaded part of the plug and the cooling fins. You do not have to bend up the electrode.

2. Spark good, plug not wet: (if it does not start or reason is found upon completion of 2 reply below with ALL results and we will continue. Brevity is not correct with internet help. I cannot easily ask questions or see what you have or are doing.)
Remove the air filter, open the choke, add a teaspoon of fuel directly into the carburetor throat and reinstall the air cleaner.

  • Ignition on/off to on
  • Set compression release – optional step even if saw is equipped with a compression release
  • Pull (close) choke, set fast idle (done when choke closed on some saws); push (open) choke, pull starter until it starts. (Pull at least 6 times NO CHOKE).
Did it try to start? This is indicative of a fuel delivery problem. Check the fuel filter on the free end of a hose in fuel tank (manufacturer recommends an annual replacement). Check all fuel delivery lines especially at fittings and bends for cracks and holes. It can also be an air leak, inspect for a loose or defective carburetor manifold or loose carburetor. If those are good then the likely cause is internal parts of the carburetor are dirty or have failed. A good local saw shop can do diagnostic pressure tests that often save time.

Because this is MOST common cause of hard starting: (read your OM closely it is very similar)
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)

3. Good spark, good fuel, not flooded.
I am not going to discuss cylinder inspection until you reply the above was not successful.

This is a fine saw. It uses the same frame as the 262, one of Husky's best. The operator's manual is complete and detailed. I wish current models were as good. Please reply with any result, I hope to hear from you.

Your manuals OM and IPL can be found here:
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week
HTH
Lou

Posted on Feb 09, 2010

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