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Your cart is empty.Specifications: Big Bore-52.95mm (A) Forged Piston Kit. Athena developed their forged pistons specifically for use in the off-road/ATV market and manufactured them using a revolutionary computerized technology originating from GP and F1 racing. Athena forged pistons offer the best solution in terms of performance and reliability thanks to redesigned squish areas, modified compression characteristics and advanced surface treatments. Piston is sold complete with rings, wrist pins and circlips. Fits: Yamaha YZ 85 2002-2013.
Vania
Reviewed in the United States on March 28, 2015
i bought this for my yz 85 with a 53mm bore cylinder and when i recived it, it would not fit in the cylinder and when i measured it with a digital caliper, it measured 53.2mm instead of 52.95mm as listed
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