Questions & Answers for: Honda CRF 150 F air box

box did not seem to change the backfire problem. what do you suggest to make the bike run cleaner and poss. make it a little faster. Thanks Rich change the jetting...youcan contact FMF for thier setup

air filter and install the carb. Let the float bowl fill then start the engine. Post a comment to get back to me. A ?very helpful? rating on this answer? Thanks! hey the exact thing happend to my best

...the air box cover on the right side. take the plastic right side cover of the you will see your black air box air box cover remove the 5 screws take it off and you have access to the air

how do you get to the air filter Need to remove seat and side # plates to access air box.