2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 136Get this manual
CYLINDER HEADVALVECAMSHAFT Install the cylinder head cover (page 8-21) Coat new O-ring with engine oil and install it into the carburetor groove
Route the hoses and cables properly (page 1-18)
Install the carburetor assembly onto the insulator and tighten the two nuts
Install the carburetor drain hose into the hose guideInstall the following- air cleaner housing (page 6-5)exhaust system (page 3-10)heat protector (page 6-19)
CYLINDER HEAD COVER INSTALLATION