I just recently picked up an 82 klt 200 that in very good, very original shape. It’s only missing a few small things, kick start lever, muffler and air box. Other than that it’s all complete minus the tool kit.
When I picked it up none of the fuel lines were plumbed and the guy started it off starting fluid. It ran, not the best but it ran. Get it home and plumb some fuel lines and filter and we got fuel to the carb. Excellent. Tried starting and it kinda ran, but would die and backfire the second you gave throttle and wouldn’t idle unless the choke was half to fully closed. Based off my local moto mechanic, he stated check the intake valve, timing, and clean the carb.
I checked the spark, it was fantastic. So I moved to the carb. It was very clean, fairly recent rebuild but the main jet was numbered 118 but the hole was huge almost like it was drilled. I have no clue what size jet it needs as my service manual hasn’t arrived yet. Other than the jet the carb was fantastic.
I move to timing, the t on the fly wheel was at the mark, and the kz200 was perfectly vertical to the top of head. But what’s the second kz200 for? I’ll take a picture when I can tomorrow. As far as I can tell it’s perfectly timed.
So now valve lash. I didn’t check the exhaust valve but I’ll update that later. The intake valve was set to .006. I have no clue if that’s correct or not, based off fine digging I’ve seen .003-.005 and .004-.007. What is it? The exhaust is set to .004. Is that correct also? The cam lobe looked great too.
What have I missed? It has fuel, has spark, good air in and out. Would fuel octane matter? I did notice somewhere else someone said no air box can cause this but I don’t believe that. Where should I look next? I’ll be able to answer my own questions once the manual gets here but it’s going to be a week. Also if anyone has any of those missing parts let me know.