I would check the spark first. You need a FAT, BLUISH-WHITE SPARK, the color of lightning(Poor sparks need richer mixtures to ignite the fuel/air mixture). If you have a good spark. I would then check for air leaks around the carb metering section. the usual culprits are leaking thottle shaft seals, leaking carb to manifold gasket , cracked or rusted out intake manifoldor leaking block to manifold gasket. tjhis will cause a lean mixture. if you CAREFULLY spray starter fluid in these areas i mentioned with the engine running, it will speed up when you hit the leak.
If that isn"t the problem then you"ll most likely have to do abetter job cleaning the carb passages. The most import factor in a carb rebuil is to get all the passages "squeaky clean". Many times after a24 hour soak in carb cleaner you need to dig the crap and corruption out of the passges. A couple of squirts of carb cleaner won"t cut it.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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