{"product_id":"main-jet-for-keihin-style-pb-pab-and-cvk-carburetors-4mm","title":"Main Jet for Keihin Style PB, PAB and CVK Carburetors- 4mm","description":"Precision Tuning: Keihin Style 4mm \"Small Round\" Main Jets Fine-tune your air-fuel ratio with these high-precision 4mm Main Jets . Designed for Keihin PB, PAB, and CVK series carburetors, these jets are the essential component for optimizing performance after installing a big-bore kit, exhaust, or high-flow air filter. These are \"Small Round\" (99101-116) style jets, featuring an M4x0.70 thread. Technical Specifications Jet Style: Keihin Small Round (99101-116 Style) Thread Pitch: M4 x 0.70mm Dimensions: 7mm (Total Length) x 5mm (Head Diameter) Material: High-Grade Machined Brass Available Sizes: #75 through #130 Comprehensive Fitment \u0026amp; Compatibility These 4mm jets are the standard for many OEM and aftermarket 50cc to 150cc carburetors: Carburetor Types Compatible Models Keihin Series PB, PAB, NCV, CVK (17mm, 20mm, 22mm, 24mm, 26mm) Genuine Scooters Buddy 50 (Stock #74), Buddy 125\/150 (Stock #90), RoughHouse 50 GY6 \/ 139QMB Most Chinese 50cc \u0026amp; 150cc CVK Carburetors (TaoTao, Wolf, Ice Bear, Bintelli) Japanese Models Select Honda, Yamaha, and SYM 4-stroke models using Keihin CVK units. Tuning Advice: Always start with a larger jet than you think you need and \"jet down.\" Running too small (lean) can cause engine overheating and permanent damage. For a comprehensive guide, visit our Jetting Instructions Blog . Note: Not compatible with Keihin \"Large Round\" (99101-393) or \"Hex\" (99101-357) styles. Please verify your jet dimensions before ordering. Original Parts For Scooters SKUs 114-36-75, 114-36-80, 114-36-85, 114-36-95, 114-36-100, 114-36-105, 114-36-110, 114-36-120, 114-36-125","brand":"genuine","offers":[{"title":"Default Title","offer_id":48045155025083,"sku":"JETKH1    125","price":6.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thriftyscooters.com\/products\/main-jet-for-keihin-style-pb-pab-and-cvk-carburetors-4mm","provider":"Thrifty Scooters","version":"1.0","type":"link"}