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Koch's Performance
Koch's Performance
  • Koch’s Performance
    • Parts Sales & Service
    • About Us
    • Testimonials
    • Contact Us
  • Vintage Yamaha Snowmobiles
    • Restoration
      • Finding a Winning Sled
      • 433cc Yamaha Engine
      • 1972 Yamaha SR 643
      • 1972 Yamaha SR 433B
      • 1975 Yamaha GPX 338
      • 1972 Yamaha SR 292
    • Legacy Racing Photos
  • Restoration Parts
    • Belly Pans
    • Bumpers
    • Cables
    • Carburetors
    • Crankshafts
    • Gas Tanks
    • Graphics
    • Handle Bars
    • Hoods
    • Pistons
    • Seats
    • Skis
    • Sled Covers
    • Sno Flaps
    • Switchs
    • Tunnels
    • Water Pumps

1976 SRX 340 Wiseco Piston

1976 SRX 340 Wiseco Piston Kit

available in std. .020 .040 and .060 sizes

Categories Pistons, Restoration Parts
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Koch's Performance added 2 new photos.

6 days ago

Koch's Performance

Another Yamaha legend will be inducted into the Snowmobile Racing Hall of Fame on Saturday February 16th. Congratulations Jim Kedinger! ... See MoreSee Less

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Koch's Performance added 2 new photos.

3 weeks ago

Koch's Performance

Congratulations Jesse Wergin on Your 2 wins yesterday! ... See MoreSee Less

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Koch's Performance added 7 new photos — with Leon Koch.

1 month ago

Koch's Performance

Eagle River 2019 ... See MoreSee Less

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Koch's Performance shared Schuette Motorsports's post.

1 month ago

Koch's Performance

A great day for Schuette Motorsports!CONGRATULATIONS to all racers today!!

Bear with me I will have results and photos posted by tomorrow!
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Koch's Performance shared Schuette Motorsports's post.

1 month ago

Koch's Performance

Congratulations!CONGRATULATIONS to all racers today!!

Bear with me I will have results and photos posted by tomorrow!
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  • Friday 9:00am – 5:00pm

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Koch’s Performance

W8529 County Road X
Crivitz, WI 54114

Latitude: 45.307708
Longitude: -88.024784

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(715) 854-2081 (Fax)
[email protected]

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  • Koch’s Performance
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