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Well after a year of it sitting and me deciding I'll pull the motor and put something that actually runs in it's place I thought I would have one last look, deciding there is no fuel I thought the pump had gone, took it apart and there was nothing wrong with it, it's pumped fuel after I put it back together and so i stripped and cleaned the carm for hte 10th time, all passages are clear so why the hell is there no fuel. Well the old main jet and holder had broken off meaning I needed a new float bowl, and main jet assembly, looking at the old carb I noted that it had a fixed jet and the bolt that held the float bowl had no provision for jetting as this was located on the side. The extraction of the old jet had holes drilled in the side to allow fuel up to the main jet, the new one did not! after all this time, 2 small holes drilled in the float bowl bolt and it ran, and has not stopped since. Now to tackle the wheel bearing!
I just did the bearings and seals and chains in my 84 argo if this is about the same year the bearing # are sa206-20 or uc206-20 and the seals#are timken 471413 the factor bearing are sa206-20 hope this helps
if you have carb problems later the flange size on most are 2and1/2 inch so most twin carb snowmobiles might fit like the older artic cat the 32mm mic carb works good on my tec engine
A few mods have been made to fit the mounting holes are moved in with a rat tail file, 3/8 nuts are cut for spacers i'll have to try to get the pic on this site
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