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2017-2018 Polaris 800 PRO-RMK 163
2011-2012 KTM 200 XC-W
Do not use with E85 fuels
Places the driver slightly lower and further back compared to stock for more room in the saddle
Wiseco PK1023 Top End Kit - 1.00mm Oversize to 75.00mm, 12:1 Compression tools-rivets 2017-2018 Polaris 800 PRO-RMK 163Bore: 75. 00mm Compression: 12: 1 Compression Sizing: 1. 00mm Oversize SPECIFICATIONS. Displacement: 253cc. Bore Standard: 74. 00mm. Bore Actual: 75. 00mm. Bore Oversize: 1. 00mm. Stroke: 57. 3mm. Compression Ratio Actual: 12: 1. Valve: 4. Note: Cylinder boring required. ITEM CONTENTS. 2953XC 75. 00 mm Ring Set. 4440M07500 Honda TRX250X 87 92 12: 1 CR 2953XC. CW17 ROUND WIRE PIN LOCKS 17MM (PAIR). S523 PistonPin 17mm x 2. 429in. NonChromed TW. W5463
