{"product_id":"tb-parts-stroker-crankshaft-6mm-klx140","title":"TB Parts Stroker Crankshaft +6mm - KLX140","description":"\u003cp\u003e\u003cstrong\u003eTB Stroker Crankshaft, +6mm – KLX140\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:2b386a16-0285-4cc1-a1ed-88e789fde29d-1\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:2b386a16-0285-4cc1-a1ed-88e789fde29d-1\" data-turn-id-container=\"request-WEB:2b386a16-0285-4cc1-a1ed-88e789fde29d-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\" style=\"box-sizing: border-box; display: block;\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"697576f0-7f6e-4e66-9997-813b5c85c795\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"40\" data-end=\"490\"\u003eUpgrade your KLX140 engine with the TBparts +6mm Stroker Crankshaft. This is a high quality forged crankshaft designed to deliver major power and torque gains throughout the entire RPM range while maintaining excellent reliability. The +6mm stroke increases displacement and produces a noticeable improvement in bottom end torque and overall acceleration, making it a great upgrade for performance builds, big bore combinations, or race applications.\u003c\/p\u003e\n\u003cp data-start=\"492\" data-end=\"875\"\u003eUnlike many cheaper competitor crankshafts on the market, the TBparts crankshaft is built using high quality materials and proven manufacturing processes for superior durability and performance. The crank features smooth edge counterweights for improved performance and reduced stress points along with a heavy duty DIRECT REPLACEMENT flywheel bolt with a 12mm head for added strength and easier servicing.\u003c\/p\u003e\n\u003cp data-start=\"877\" data-end=\"976\"\u003eThis crankshaft is designed as a drop-in style upgrade for easy installation and excellent fitment.\u003c\/p\u003e\n\u003cp data-start=\"978\" data-end=\"987\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"988\" data-end=\"1256\"\u003e\n\u003cli data-section-id=\"1cpj9lt\" data-start=\"988\" data-end=\"1009\"\u003e+6mm Stroker Design\u003c\/li\u003e\n\u003cli data-section-id=\"9j361h\" data-start=\"1010\" data-end=\"1042\"\u003eForged Crankshaft Construction\u003c\/li\u003e\n\u003cli data-section-id=\"byzszf\" data-start=\"1043\" data-end=\"1077\"\u003eSmooth Edge Crank Counterweights\u003c\/li\u003e\n\u003cli data-section-id=\"11w58od\" data-start=\"1078\" data-end=\"1106\"\u003eDrop In Style Installation\u003c\/li\u003e\n\u003cli data-section-id=\"17usoc7\" data-start=\"1107\" data-end=\"1149\"\u003eIncludes HD Flywheel Bolt with 12mm Head\u003c\/li\u003e\n\u003cli data-section-id=\"xtv09q\" data-start=\"1150\" data-end=\"1185\"\u003eMajor Torque and Horsepower Gains\u003c\/li\u003e\n\u003cli data-section-id=\"1dgx4uz\" data-start=\"1186\" data-end=\"1222\"\u003eHigh Quality TBparts Proven Design\u003c\/li\u003e\n\u003cli data-section-id=\"2rarg4\" data-start=\"1223\" data-end=\"1256\"\u003eExcellent Performance and Value\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1258\" data-end=\"1263\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eKawasaki KLX140 - All models and years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eWorks with stock cylinder, piston, and cylinder head.\u003c\/li\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eWorks with our 170cc bore kits, we recommend using a forged piston for longer life.\u003c\/li\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eAdd this to your 170cc bore kit to make it 188cc\u003c\/li\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eDouble check clearances with other manufactures parts. This turns the aftermarket 186cc kits into 206cc and 197cc kits to 220cc.\u003c\/li\u003e\n\u003cli data-section-id=\"c9m2qa\" data-start=\"1264\" data-end=\"1288\" data-is-last-node=\"\"\u003eDO NOT USE WITH THIN SKIRT CYLINDERS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TBParts","offers":[{"title":"Default Title","offer_id":51708079800637,"sku":"TBW1916","price":284.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/8055\/0205\/files\/Image820.jpg?v=1778698831","url":"https:\/\/keystonecycleparts.com\/products\/tb-parts-stroker-crankshaft-6mm-klx140","provider":"Keystone Cycle Parts","version":"1.0","type":"link"}