Honda XR80R 2003 Problems?
My Honda XR80R has been acting up recently. First, it can't run without the choke, I've adjusted the idle, the fuel/air screw, and cleaned out the pilot jet. Still it won't run with out it. Secondly, it sometimes will start making this weird clicking noise and it the engine might die. Finally, the engine might cut out and when it does there's a weird smell that smells like burning paper. Can someone answer these questions on why this is happening and how to fix it? I'm a complete novice on dirtbikes and how to fix them.
Probably several problems. Buy a shop manual. Do the engine maintenance stuff. Take off the carb and air filter, and inspect and replace and / or rebuild as necessary. Check for air leaks on the carb-to-engine intake. Use a DMM on the battery. Clean the bike so you can see stuff. Sounds like a total lack of maintenance.
The choke limits the amount of air the engine can get, which leads to the suspicion you have a fuel mix ratio problem. Since you've already adjusted the fuel/air screw and cleaned the jet, i think you need to look into the fuel pump, filter and fuel line. Burning paper could be the fuel filter [don't know what yours is make of].
Check the valve adjustment.
If either are extremely loose, the valves are being held open and the head will need repair.
Extremely loose = 2 pieces of a greeting card
Install a NEW plug.
You're welcome.
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