This parts genuine Honda WORKSHOP. Thailand.  All type Carburetor-injection engine, all year 2004-2018 This camshaft sporty formation ~ 250 angle, use with original CBR piston ok. Plus power ~10-15 % graph bottom. See difference combined opening valves, intensive rinse cylinder head. Pictures #3 Description: This is the sport camshaft. It still works with the original piston. There is a stronger camshaft, but in this case the piston must be replaced as well. Otherwise, the valve will hit the piston. You can also find a racing camshaft-piston set in my list. Recommended fully opened exhaust system. Carburetor engine: Flat slide Keihin PWK 28 or equivalent real 28mm diameter direct throttle carburetor. Injection engine: 150 cc 8 nozzle injector. Supplies extra fuel, it is not necessary to overwrite the ECU unit. Bracket and bearing must be transferred to the sports camshaft. The starting position is the same. Gaps: IN: 0.10-0.15 mm / EX: 0.20-0.25 mm. Lifetime asisstance from honda-cbr-125.com
	Power: Dedicated power and torque mensuration, graph show original camshaft and sporty. Big picture, click right... save as read engine component. Other type and vintages engine produce different horsepower, but differential percentage same. 7000-11000 between 10-18% plus power Special thanks for Beau Thompson (Canada)