353 Help

[Firewoodjoe]

 My timberjack has been running funny. Smokes white/blue on and off. Don't burn oil or antifreeze. New filters. Anyways. Hand throttle wide open runs smooth no smoke. Get it under a quick load and it will puff out smoke even just using the blade. Then will smooth out (still under the load) then when the load is free ( stop using the blade) it will puff smoke again. I say puff and from the stack it is but the woods is full of smoke. I've ran atf and seefoam in it. I'm going to pull the valve cover and make sure an injector isn't sticking and make sure the fuel lines have no restriction. I know me and will do something in there if I see something lol So should I? What I mean is I've heard stories of people messing these up and run away. Should I tighten something if it's loose or just leave things be? I've read and watched how to set and run the rack. It don't seem that hard to me. 

[bushmechanic]

Sounds like you have a bum injector. Pull the valve cover off and get her to smoke, then use a screwdriver to push down on the injector top ( cuts out the injector) when it stops smoking that cylinder is your problem. Or you can pull the exhaust manifold and see which hole is wet, that will tell you also. If your air filter is plugged it can draw that hard to get air it will suck oil around the blower seals too.

[Firewoodjoe]

Thanks for the response. I will see what I come up with.