2-Stroke Piston Kit - Stock Bore

• Product Details

  The MotoSport.com Vertex 2-Stroke Piston Kit - Stock Bore includes one of each of the following components with the following attributes:

  Vertex 2-Stroke Piston Kit:

  Important Note:

  This piston is for a stock sized bore. Please measure your cylinder to check clearance before ordering.

  As the O.E. supplier of two-stroke pistons to KTM, Vertex Pistons has an outstanding reputation for quality and performance. Each gravity cast piston is created with only premium aluminum alloys utilizing an 12 - 21% silicon content.

  The silicon content in Vertex pistons is crucial to the quality of the piston. Silicon is critical in decreasing thermal expansion which, when an engine reaches normal operating temperatures, can change the geometry of the piston. Controlling this expansion means that a Vertex piston can be run at tighter tolerances for more power, less noise and a longer lifespan of the piston. Plus, the silicon content decreases wear on the piston skirt which also aids in the life of the piston.

  In addition to the silicon, each Vertex piston utilizes a unique Molybdenum Disulphide (MOS2) coating which aids in the break-in process and reduces overall wear.

  Vertex Piston includes:

  • Premium quality Vertex piston.
  • Complete set of nitride coated or chrome-plated piston rings.
  • Fully case-hardened wrist pin.
  • Circlips.
  • Competitive price!

  Hot Rods Needle Bearing:

  • Case-hardened and silver coated, the bearings are just as tough and reliable as all Hot Rods parts.
  • Wrist pin bearing is specially designed with a long shouldered bearing cage to withstand high RPM use.
  • Can be used with Hot Rods connecting rods and O.E. or aftermarket pistons.

  Cometic Top End Gasket Kit:

  State-of-the-art gaskets is what Cometic has been doing since its inception in 1989. This comes from their dedication to constructing gaskets for the most demanding race circuits like AMA and NASCAR. Today's lightweight engines are producing more horsepower, higher cylinder pressure, clamp load and extreme temperatures. Cometic's commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance.

  Cometic meets the needs of each specific gasket by using materials to match. Even the basic top end gasket kit features different materials for each gasket. The head gasket is constructed from non-asbestos, flexible graphite that is laminated to a stainless steel core. The manifold and base gaskets are constructed from non-asbestos nitride rubber-bound fiber. Cometic also includes copper gaskets where needed.

  Cometic designs and builds their gaskets in the U.S.A.

  Note:

  Image is for reference only, actual Kit may vary based on contents and fitment.

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• Q&A

• Fitment

• # Part Numbers

  Gasket Kit

  Product Variant	Manufacturer Part #
  0.01 Metal Head Gasket	810260
  105 SXS Kit SXS13105000	C3637
  2.0mm Overbore	W5677
  43mm	W5756
  45mm	W5932
  47-52mm	W6348
  47mm	W5889
  48mm	W6136
  49mm	W5221
  52mm	W6659, W5973
  52mm Bore	C7315
  56mm	W5165, W5349
  56mm Overbore	810431
  64mm Bore	C7365
  65.5mm	W5231
  65.5mm Bore	C7094
  66.00 - 66.50mm	W5474
  66.4mm	W6111, W6351
  66.5mm	W5982
  66.5mm Bore	C7275
  66mm Bore	C7925
  67.5mm	W6354
  68.5mm	W6157
  68.5mm Bore	C7197
  68mm Bore	C7316
  69.5mm Bore	C7710
  69mm	W5321
  71mm Bore	C7607
  72.5mm Bore	C7332
  72mm	W6352, W6982, W6358
  Stock	W6278, W5908, W6810, W5319, W6969, W6256, W5760, W6622, C3636, W5741, W5666, W5744, W6633, W5350, W5422, C3607, W6385, W5978, W6259, W5518, W6904, C3606, W5901, W6983, C3694, C3623, W5420, W6254, W6324, W5665, W5972, W6144, W6943, W6253, W6384, W6279
  Stock Bore	W5232, W7011, W5271, W5694, W5320, W4895, W5316-CL77, W6994, W5327, W6979, W5168
  Vertex 2-Stroke Piston Kit - Stock Bore	810545, P400270600045, 35.1306, 35.3211, 35.6223, C7816, C7855, P400270600043, 35.4212, 810307, C7508, 810338, 35.6018, C7158, 8100071, 35.2317, 35.4221, 810670, 35.4314, C7399, 8100024, 810464, P400270600009, 35.622, C7393, 35.3212, 810327, 810312, C7764, 810206, 35.1325, 810811, C7087, C7112, 35.3316, 35.6348, P400270600044, 35.6354, C7295, 810330, C7416, 35.6011, 8100079, P400250600021, C7098, 810325, 35.4312, 810543, 810256, 810637, 810582, 810666, 35.3224, C7191, C7116, 810205, 35.631, 810300, 8100078, 810580, R2706-099, 810424, 35.3326, R2706-097, C7154, 35.1308, 35.2218, 35.6218, 35.6225, C7333, 810668, 35.7323, 35.6019, 35.3209, 35.1115, 35.6216, 8100009, C3096, 35.232, 810335, 35.1112, 810254, P400485600254, 810636, 810812, P400270600077, 35.2214, 35.6012, C7285, 810337, C7384, C7089, P400510600143, 810370, 35.1312, 810337, 35.1322, 810264, 810456, C7269, 810429, 810324, C7136, 810340, C3099, 35.1309, C7126, 810332, P400270600047, P400250600008, 35.1113, 35.6118, 810665, 35.6344, C7292, C3416, C7861, P400270600023, 35.2315, 35.7220, 810212, 810302, C7097, 810340, 810976, 35.6317, 810664, R4856-198, C7423, 35.3323, 810333, 810303-CL77, C7058, C7943, C7059, C7280, C7016, 810259, P400485600116, 810255, 35.2308, C7501, 810430, C7507, C7682, P400210600252, 810547, 35.4223, C7921, C7386, P400210600085, 810548, 810333, C7120, C7135, 810304, 35.6345, 35.7218, 8100008, 35.111, C7003, C7337, 35.3319, 35.2018, 8100072, C3222, 35.6113, P400250600062, 35.2019, 810457, C3211, P400270600042, 35.3218, 35.4021, 35.2319, 810257, P400270600049, 810407, C7762, C7133, 810589, P400250600011, 810670, 35.6103, 810593, 810412, P400485600115/1, 35.6222, C3089, P400250600061/1, 810550, 810315, C7113, 35.6211, C7203, R4856-267, 35.7313, C7456, 35.6325, 810465, 35.4313, P400250600009, 810663, C3510, C7690, C7093-EST, 810211, R2706-096, 35.6024, C7250, 35.321, 810309, 810314, P400250600015, 35.6323, 35.6346, 810659, 810544, 35.4315, 35.6227, 35.4100.90, 810427, 35.2312, 810370, 810261, 810338
  With Valve Cover Gasket	P400210600065

  Needle Bearing

  Product Variant	Manufacturer Part #
  Vertex 2-Stroke Piston Kit - Stock Bore	WB139, WB106, WB118, WB144, WB104, WB102, WB138, WB101-CL77, WB116, WB117, WB119, WB111, WB115, WB112, WB120, WB143, WB113

  Piston

  Product Variant	Manufacturer Part #
  +0.25mm	22569025, 22568025-CL77
  +0.50mm	22569050, 22568050
  +0.50mm Long Rod	23607050
  +0.75mm	22568075
  +1.00mm	22568100, 22569100-CL77
  +1.00mm Long Rod	23607100
  +1.50mm	22568150
  +1.50mm Long Rod	23607150
  +1.60mm	23630160
  +2.00mm	22569200, 24352200, 22882200, 22568200
  +2.00mm Long Rod	23607200
  +2.50mm Long Rod	23607250
  +4.00mm	23384400
  B Piston	22809B, 22581B-CL77, 22387B, 23133B, 22153B, 22863B, 22499B
  B Piston Stroker	23879B
  Cast Race B Piston	24233B
  Cast Race Flat Top A Piston	24233A
  Cast Race Flat Top B Piston	24280B
  Cast Race Flat Top C Piston	24243C
  Single Ring B Piston	24243B
  Stock Bore	22712B-CL77, 22520B, 22568-CL77, 22293B, 22459B, 22541B, 23004B, 22998B, 23928B-CL77, 22540B, 22569, 22813CD, 22650B, 23121B, 22649B, 22216B, 22585B, 22386B, 22909B, 22224B, 22795B, 22854B, 22154B, 23124B, 22442B-CL77, 22356B, 22532B, 22244B, 22498B, 22521B, 24101B, 22248B, 22441B
  Stock Bore +5mm Long Rod	23607
  Stock Bore 13.5:1 Compression	23756B
  Stock Bore 14.0:1 Compression	23605B
  Stock Bore AB Piston	23430AB
  Stock Bore CD Piston	23430CD, 22481CD-CL77
  Stock Bore, A Piston	23375A, 24244A, 22991A, 24352A, 22584A, 24385A, 22581A, 22216A, 23630A, 24212A, 23928A, 24384A, 24519A, 24391A, 24383A, 24101A, 24251A
  Stock Bore, A Piston, Flat Top Single Ring	24279A
  Stock Bore, A Piston, Pro Race Piston Single Ring	24419A
  Stock Bore, B Piston	22522B, 24352B, 24279B, 24384B, 23383B, 24391B, 23758B, 22860B, 24519B, 23375B, 22991B, 24383B, 24244B, 22584B
  Stock Bore, B Piston, Pro Race Piston	24419B
  Stock Bore, C Piston	24251C, 24384C, 24101C, 23928C, 24244C, 24385C, 23375C, 22520C, 24212C, 24352C, 24383C
  Stock Bore, C Piston, Flat Top Single Ring	24279C
  Stock Bore, CD Piston	23429CD
  Stock Bore, D Piston	24243D
  Stock Bore, Single Ring A Piston	24243A

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