ArboristSite.com Sponsors
 
 


Shindaiwa 488 EPA Carb Fuel Mixture?

Discussion in 'Chainsaw' started by dsell, Jan 25, 2013.

  1. dsell

    dsell ArboristSite Operative

    Joined:
    Mar 4, 2009
    Messages:
    482
    Likes Received:
    28
    Location:
    Kansas
    I did some searching and found a user manual for a Shindaiwa 488. It shows 50:1 mix. The high side of the carb is not adjustable. Does someone else run this same saw and if so what mix are you running? I'm working on this one and it's the second time it has came to me with a plugged spark arrestor. I told him the last time he's mixing wrong. He said he's putting a package in 2 1/2 gallons. :bang:
     
  2. jrr344

    jrr344 Addicted to ArboristSite

    Joined:
    Jan 12, 2010
    Messages:
    1,446
    Likes Received:
    263
    Location:
    Tennessee
    I have never had this problem with my 488's and I am running 50:1 with shindaiwa red armor mix in all my saws regardless of brand.
     
  3. alderman

    alderman Addicted to ArboristSite

    Joined:
    Jun 4, 2005
    Messages:
    3,007
    Likes Received:
    469
    Location:
    Western Oregon
    I'm running 32:1 in my 488'sbut must admit to the occasional plugged screen.
     
  4. DSS

    DSS uneducated rif raf and lovin it

    Joined:
    Nov 18, 2009
    Messages:
    19,980
    Likes Received:
    3,591
    Location:
    a BS free zone
    I run 40:1 in everything including the 488 with no trouble.
     
  5. Big Dan

    Big Dan ArboristSite Operative

    Joined:
    Mar 10, 2007
    Messages:
    334
    Likes Received:
    55
    Location:
    Rural south-west Missouri
    I'm also running 40:1 mix with no problems.Swapping in an older carb with adjustable H screw wouldn't be a bad idea,there are several on e-bay right now. Love the 488!
    :msp_thumbsup:
     
  6. dsell

    dsell ArboristSite Operative

    Joined:
    Mar 4, 2009
    Messages:
    482
    Likes Received:
    28
    Location:
    Kansas
    Thanks for the replies. He runs other Shindaiwa tools on the same mix, so I'll have to see if they are adjustable.
     
  7. CTYank

    CTYank Have saws, will travel

    Joined:
    Aug 26, 2010
    Messages:
    2,993
    Likes Received:
    1,059
    Location:
    SW CT
    I'd suspect he's just threatening to RUN it, mainly running it cool & slow.

    I'll bet that if he ran it hot & hard (as designed) that screen would stay clean. Ditto port & muffler.
     
  8. dsell

    dsell ArboristSite Operative

    Joined:
    Mar 4, 2009
    Messages:
    482
    Likes Received:
    28
    Location:
    Kansas
    Shindaiwa 300S starting problem

    He brought his other saw, it's a 300S Shindaiwa. Compression is 130psi and it runs fine through the 1st tank and then it won't start. I figure it's the coil because he has the lid off to fuel it. So, it's not a vent issue. This model has the 1 piece ignition according to the IPL I found. Part number 411000910 or 20024-71610 obsolete number. It's $50 + shipping and personally, I wouldn't give that for the whole saw. The air filter system is the worst I've ever seen. Anyone else have this starting problem with a 300S? I couldn't find any carb adjustment screws on this saw either. He brought his trimmer manual and it showed 50:1 mix. That's what I told him to go with.
     

Share This Page