{"id":237391,"date":"2025-11-03T11:54:46","date_gmt":"2025-11-03T11:54:46","guid":{"rendered":"https:\/\/innteck.it\/innteck-usa\/?post_type=product&p=237391"},"modified":"2026-10-06T07:14:10","modified_gmt":"2026-10-06T07:14:10","slug":"piston-kit-o53-94-yamaha-yz125-2005-2026-fantic-xx125-2021-2026-3mm-conrod","status":"publish","type":"product","link":"https:\/\/innteck.it\/innteck-usa\/product\/motorcycle\/engine\/piston\/2-strokes-engine\/piston-kit-o53-94-yamaha-yz125-2005-2026-fantic-xx125-2021-2026-3mm-conrod\/","title":{"rendered":"Piston Kit \u00d853.94 \u2013 Yamaha YZ125 (2005\u20132026) \/ Fantic XX125 (2021\u20132026) \u2013 +3mm Conrod"},"content":{"rendered":"

The VHM piston kit APYZ12521714A1<\/b><\/span> is a high-performance racing piston specifically developed for use with a +3mm longer connecting rod<\/b><\/span> and 20mm small end bearing<\/b><\/span>, delivering superior power output and throttle response. This piston is 100% CNC machined<\/b><\/span> from high-quality material, featuring a non-circular profile<\/b><\/span> that ensures consistent performance and reduced wear throughout its lifespan.<\/p>\n

It includes an internal coating<\/b><\/span> for friction reduction and Z-clips<\/b><\/span> for optimal pin retention. This piston is designed for professional motocross and high-level riders seeking maximum reliability and performance.<\/p>\n

 <\/p>\n

Compatibility Note:<\/b><\/b><\/h3>\n
    \n
  • \n

    For YZ125 (2005\u20132021)<\/b><\/span>: use 105mm total conrod length (Prox 03.2221)<\/p>\n<\/li>\n

  • \n

    For YZ125 (2022\u20132026)<\/b><\/span>: use 113mm total conrod length (VHM CRK2001)<\/p>\n<\/li>\n

  • \n

    Clearance: 0.05mm<\/b><\/b><\/span><\/p>\n<\/li>\n

  • \n

    Must be used exclusively<\/b><\/span> with a +3mm conrod and 20mm small end bearing<\/b><\/span><\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

     <\/p>\n

    Technical Specifications<\/b><\/h3>\n
      \n
    • \n

      Diameter:<\/b><\/span> \u00d853.94 mm<\/p>\n<\/li>\n

    • \n

      Version:<\/b><\/span> Special<\/p>\n<\/li>\n

    • \n

      Piston Crown Shape:<\/b> Flat top 12\u00b0<\/span><\/p>\n<\/li>\n

    • \n

      Bore Size:<\/b> \u00d854 mm<\/span><\/p>\n<\/li>\n

    • \n

      Piston Pin:<\/b> \u00d815 mm<\/span><\/p>\n<\/li>\n

    • \n

      Stroke:<\/b><\/span> 2-stroke<\/p>\n<\/li>\n

    • \n

      Coating:<\/b> Yes<\/span><\/p>\n<\/li>\n

    • \n

      Piston-Cylinder Clearance:<\/b> 0.05 mm<\/span><\/p>\n<\/li>\n

    • \n

      Piston Ring End Gap:<\/b> 0.35 + 0.10 mm<\/span><\/p>\n<\/li>\n

    • \n

      Compatible Conrod:<\/b> +3 mm extended<\/span><\/p>\n<\/li>\n

    • \n

      Small End Bearing:<\/b> 20 mm<\/span><\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      VHM performance piston \u00d853.94 for Yamaha YZ125 \/ Fantic XX125 with +3mm conrod. CNC-machined, coated, and designed for maximum power and durability.<\/p>\n","protected":false},"featured_media":237390,"template":"","meta":[],"product_brand":[269],"product_cat":[169],"product_tag":[],"class_list":["post-237391","product","type-product","status-publish","has-post-thumbnail","product_brand-vhm","product_cat-2-strokes-engine","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/product\/237391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/media\/237390"}],"wp:attachment":[{"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/media?parent=237391"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/product_brand?post=237391"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/product_cat?post=237391"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/innteck.it\/innteck-usa\/wp-json\/wp\/v2\/product_tag?post=237391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}