2004 Yamaha YZ 450 F "running hot" Questions

hot start stuck bike starts, runs then the exhust gets real hot Not good firs to plugs. When exhaust hot the fumes ignite better. Check plugs and coil.

red hot exhaust pipe Hi, Anonymous a YZ is a motocross bike designed to run flat out that being said if you are strolling down some scenic trail at a slow pace or letting the bike idle for a few ...

04 yz 450 backfires and is hard to start when is c... 04 yz 450 backfires and is hard to start when is cold runs better with choke on Runs better with choke means the mixture is lean, Has the exhaust ...

bike runs ok untill hot, spark weak.. ..tested coil,stator, neutral switch etc...all in spec to manual I would still replace the stator.

EXHUST DOWN PIPE GLOWS RED HOT AFTER BEEN RUNNING FOR A FEW MINITES Perfectly normal mate, a 4stk will boil if you leave it ticking over for any length of time.

Why will my yfm80gw only run on full choke This is when it is hot check carb adjustments and air filters

I have a 2006 YZ450F that runs great when cold. As soon as it warms up it begins to pop and bog and backfire. As soon as it is hot, it stalls. I have to wait until it cools down to restart it. I have ...

My 2003 yamaha yz450f will not start when it is hot. Why? What is the compression supossed to be? Could jetting cause the problem. It will start and idle when cold, but once it gets warm/hot it will ...

getting water in the crank case the bike will run hot after just a short ride. have'nt rode the bike since I noticed milky oil in crank case.Have been told it could be one of two things. The head ...