Our second generation 149cc kit is now ready to go! We've made a few updates to make the install process easier and more simplified. We've also eliminated any potential clearance issues and streamlined the manufacturing process even further to help pass on savings to the customer. Generation 2 updates: Wider skirt bridges for more squirter clearance One additional oil control ring lubrication hole compared to the previous piston Two additional piston skirt lubrication holes compared to the previous piston Compression on pump gas is now 12:1 to reduce detonation when hot Kit includes: 55mm Forged Piston with ring kit 55mm Sleeved cylinder Base and head gasket set This kit provides a significant horsepower and torque increase across the entire rev range. Expect gains of 30% in the midrange over a bike with intake, exhaust and cam, and double the horsepower of a stock bike at 8500rpm. Our ECU flash or an aRacer MiniX and AF2 combo will be required for proper installation. ECU Flash located HERE aRacer MiniX HERE and aRacer AF2 HERE Required supporting mods other than the ECU tuning include an DHM S1 or DHM S1R camshaft, oil cooler kit, crankcase vent and fuel injector. We have options listed below: Camshaft: DHM S1 Camshaft or DHM S1R Camshaft Crankcase Vent: AvailMS Cam Cover Vent or MO Power Vented Cam Cover Oil Cooler: Kitaco x DHM Oil Cooler Kit Injector: PCX150 Injector Starter (optional but recommended): CJR Performance HD Starter Spark plug: NGK CR9E Install Notes: Two base gaskets included. Use both the OEM Honda base gasket and the grey paper gasket for pump fuel setups, use only the OEM Honda base gasket for race fuel. Oil coolers are required. Keep an eye on oil temps. An NGK CR9E spark plug must be used Ring gaps must be set during install, please see the setup sheet for further info. 91 octane is the bare minimum, and 93 is preferred. When using aRacer, download the quickburn for 149cc + S1 cam Honda injector 16450-KZY-701 is the required injector for this kit. Download setup sheet HERE Installation:
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