Upgrade the throttle control system on your YAMAHA or Kawasaki dirt bike.This New Handlebar Twister Throttle Tube with Pull Push Cable is specifically engineered for FCR carburetors, designed to deliver performance and reliability that surpasses OEM parts. We understand that smooth, precise throttle control is critical for off-road riding and track performance, which is why this product excels in material selection and craftsmanship.Its core advantage lies in delivering exceptionally linear and lag-free throttle response, allowing you to control power output with greater precision, whether on technical trails or high-speed tracks. The throttle tube surface is specially treated to be anti-slip and wear-resistant, ensuring secure operation even when wet or when wearing gloves. The pull-push cable features a high-strength core and a durable outer layer, effectively preventing binding and excessive wear for long-lasting smooth operation.Installation is straightforward and direct. Most users can complete the replacement in a short time using basic tools and immediately feel the improvement in control feel. This is not just a replacement part; it's a substantive investment in the handling performance of your motorcycle.Compatible with YAMAHA YZ and WR series (including YZ250F, YZ450F, WR250F, WR450F, YZ426F, WR426F) and the Kawasaki KLX450F, it is the ideal choice for riders seeking a superior riding experience.