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  1. #1
    jetpilot785's Avatar
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    Wiseco Pistons 40049M08600

    Anyone have any experience or info on the Wiseco Pistons that fit the 1.8L Yamaha Engines? I found what appears to be a smoking deal on a set of 4 complete with rings, pins, clips etc for $469 shipped. I don't know if this is too good to be true or not.


    Wiseco Part#: 40049M08600
    Product Type: Single Pistons
    Description: Yam 2008-12 FZR, FZS, FX, SHO 8.6 & 11:1
    Roll Over to Zoom

    Displacement: 1813cc
    Bore - Standard: 86.00mm
    Bore - Actual: 86.00mm
    Bore - Oversize: STD
    Stroke: 78.00mm
    Cylinders: 4
    Compression Ratio - Actual: 8.6:1
    Skirt Coating: Moly
    Dome Coating: None
    Treatment: None


    • 8600XX - 86.00MM RING SET
    • S734 - Piston Pin- 22 x 50.8 x 10.57mm SW 9310
    • W5590 - ROUND WIRE PIN LOCKS (PAIR)


    • Yamaha FZR (2009 - 2012)
    • Yamaha FZS (2009 - 2012)
    • Yamaha FX Cruiser SHO (2008 - 2011)
    • Yamaha FX SHO (2009 - 2011)
    • Yamaha FX Cruiser HO (2008 - 2010)
    • Yamaha FX HO (2008 - 2010)

    Instructions can be found on our Installation Manuals page.



  2. #2
    jetpilot785's Avatar
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    No one has used these? I might have to be a guinea pig then. I always had good luck with wiseco on my sleds and 2 stroke ski engines. I may have to give these a go for the money. They have to be better than stock cast right!?

  3. #3
    AWA MEMBER
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    Oh yea they have a unique design too

  4. #4
    Guidoo's Avatar
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    Think I'd check the weight and compare to others. I too have built many engines using Wiseco pistons.

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