685 forged piston kit

This is the most advanced piston available for the KLR! Gas ports for the top ring, piston lighter than others, broached slots in the wrist pin hole for improved oiling, updated second ring design for oil control. Tightened up tolerences on the ring grooves and acumulator groove to eliminate ring flutter and wear. Premium ring set. The stock ring, piston, wrist pin and circlips weigh 640 grams. This exclusive piston kit weighs 490 grams. This engine setup is much smoother than stock.

Oversize piston kit, fits 1996 and later KLR650. Forged, lightweight, 2.5mm over stock. Premium rings and wrist pin. Requires cylinder machining. This kit includes required gaskets : head gasket, base gasket, exhaust headpipe crush copper gasket, cam chan tensioner gasket.  Lighter and smoother than the factory setup. If you have an oil user this is a good way to go.

Improved performance and smoother engine. Much greater difference than expected for a 34cc increase.


IMPORTANT! If you add the bored and honed cylinder option, you MUST contact me to make arrangements to exchange your cylinder. See related items below to select this option.  

Note: For the base gasket, I'm furnishing the Kawasaki OEM gasket. This one works well. The aftermarket gaskets have a history of weeping a bit of oil if not properly installed.

  • Item #: 685pk
  • Manufacturer: Eagle by JE Pistons

685 forged piston kit

Price: $295.00
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