stage 1 cam

[honda400-4-ever]

i have a 2005 400ex and im ready to upgrade a little what should i get new gearing 38 rear 14 front or a camshaft and if the cam should i rejet and how easy to install and need gasket????

[storms400ex]

05's have a 14 stock

[honda400-4-ever]

i meant 37 rear 14 front with 20 inch tires