The Hero Honda CBZ is a motorcycle launched in early 1999 by Hero Honda, with an original Honda 156.8cc single-cylinder engine. The styling of the bike was a scaled version of the Honda CB series. The CBZ has an Over Square and Overhead camshaft engine with a Keihin slide type carburetor with accelerator pump. It has a larger spring operated nozzle to provide a richer fuel air mixture into the engine for better acceleration. An air injection to new emission standards, including Euro1. CBZ The bike was launched as Hero Honda CBZ in India. It was Powered by an Original Honda's 156.8cc.The engine was based on Honda CRF 150F and it came equipped with TPFC and self start as optional. The term TPFC Means Transient Power Fuel Control system .. This system uses a constant-choke carburetor. This Carburetor plays a major role by increasing the speed without any Power lag and Vibration jerks. The throttle valve inside the Carburetor creates the vacuum which operates a diaphragm pump, Which helps to controls the air-fuel ratio inside the engine through a tapered jet. Hero Honda CBZ is first and last bike to get TPFC Technology which gives a reasonable amount of boost by sending additional fuel into the engine when the throttle is opened but it also reduce the fuel efficiency of the motorcycle. The model went unchanged more or less for five years. Hero Honda CBZ was available in the following colors- CANDY BLAZING RED, BLACK, CANDY TAHITIAN BLUE, SIENA GOLD METALLIC, SPARKLING SILVER METALLIC and TASMANIA GREEN METALLIC. Suggested Engine oil grade: SAE 20W 40 and Hero Honda CBZ (1999-2004) complies (BS1) emission norms Bharat stage emission standards. Hero Honda CBZ Star In 2004, a new variant called CBZ Star was launched with revised graphics and addition of self start, it replaces the Keihin Slide Carburetor with Conventional CV Carburetor which improves the fuel efficiency but hampered in pickup which is main feature of previous model CBZ, So it does not inspire CBZ enthusiastic also due to over use of graphics and significantly higher price compared to its competitors. The bike was discontinued after September 2005 and Hero Honda CBZ Star also complaints (BS1) emission norms Bharat stage emission standards Hero Honda CBZ Xtreme The CBZ Star was followed after a gap of two years by the CBZ-Xtreme, which shared no engine and body parts with the CBZ, and had