Posted: 22 May 2006 at 11:10pm | IP Logged

I have a 46 Pro Thunder Tiger ( i believe, i bought at a swap meet.)

It runs a bit but sputters and stalls. I put a new plug in it and I git it to run and idle a little. First question is what should the needle valve be set at? Why does it smoke a lot? I've tried lean, rich and most in between.

It seems to run terrible. At full throttle it will barely run and stall sometimes. I thought it was an air leak but I put a new muffler on it from another engine and now it has a tight seal.

Please help.

Posted: 23 May 2006 at 10:37am | IP Logged

Hello

It still sounds to me maybe like a air leak have you looked ate the head gasket and the seal on the back plate.It should smoke some but not a ton.If you have more questions please feel free to cal us at our office at (949)833-0088.

Posted: 23 May 2006 at 12:27pm | IP Logged

I think I may hear a leak. I'll try calling. Do I need parts to repair eithe rof these leaks or is it tightining of the screws only?

I know what normal fuel smoke looks like and i think i smoked out the neighborhood yesterday.

How many turns do I need for the needle too?

Posted: 23 May 2006 at 4:56pm | IP Logged

Is there an online manual for this engine too? Possibly an exploded view of it?

Posted: 11 November 2009 at 9:52am | IP Logged

Hi Easyflier,

 Here is the link to what you are looking for. Just remember that your engine will smoke from the exhaust since it is a two stroke and burns a small amount of oil. Another thing to consider is that when you are setting the needle valves, there should always be a small gap between the low end needle and the spraybar at full throttle. Of course never try to get a look at the needles while the engine is running.

http://www.acehobby.com/ace/PDF/Engine/PRO_Eng.pdf

Hope that helps.

Gabe