Plating the insides was nearly impossible. A soak in Muriatic acid, a quick wash in de-greaser and a 5 amp soak in the zinc plating bath brought them back to life.mostly. The seat rails wouldn't even move last month. The solution? Hand file them with my chain saw file. These holes were also located at the edge of the pedal and could not be simply drilled over-size. New pedals looked nice but had under-sized holes for my control rods. Cast iron too! (as recommended by a member here). New bearings, new shaft and new bearing pillow. I sealed it with a tube of black RTV, packed both side full of grease and then had to do it all over again.twice. The sprocket will only mount to one side. Differential assembly was a tad trickier than I expected. I added a little phosphoric acid to it and things cleaned up exceptionally well. The contents of each bag and bucket will be taking a trip through it. HF vibratory Tumbler and 10lbs of their abrasive media (highly recommended). Every nut, bolt, screw, spring and washer has been bagged, tagged and labeled (twice). The plan is to knock all the weld BB's off it, get it sandblasted and put into epoxy primer. This thing was rougher than a cob and that won't do. I could hardly pick it up or roll it over without a weld BB digging into my hand. The frame was covered in about 22,000 weld BB's. Thankfully I didn't find any holes or soft spots. Without a sandblaster, it allowed me to see how bad things really were. It's a bit safer than Muriatic acid and does pretty much the same thing, just slower. I started each day by brushing phosphoric acid on the more heavily rusted areas. If you have any questions, just ask.ĭown to the frame. According to him these Briggs and Stratton Vanguards were assembled in Japan for the Japanese market and were of very high quality. It was sold locally in 1995 so I headed across town and talked to the man who sold it new but he didn't have too much information on it. It must have been a relatively spendy rig when new. Rinse and repeat.Ģnd pic shows the rather clobby looking repair under jack shaft. There is no valve noise, no piston slap, no rod knock and no smoke. The engine idled for 30 minutes without overheating, smoking or rattling. The test ride shocked me.and almost killed me. A $22 Chinese carb, $7 rope starter, quart of oil and plug was all that it needed. This wobble eventually cracked the frame under the bearing pillow block. This wobble was masked by the belt tension. The bearing nearest the drive had gone south and allowed the shaft to wobble. Midway into the resto I learned that the jack shaft was shot. The gas peddle had been cut/broke and re-welded.poorly. One brake lever (on the caliper) was literally broken. The rear axle bearings were questionable. The battery, key and seat were also long gone. The carb, elbow and air box were missing. The rear tires had multiple plugs and didn't hold air. I asked about it one day and it became mine on the spot. He had tried to give it away but the guy never came for it. "The guy who gave it to me told me that all he thought it needed was a carb". We just goofed around in small engine class". According to my friend "I never touched it. It had been given to him by one of his friends to repair in small engine class in High School. Since you guys have kindly answered a few of my dumb questions, I thought I'd post up a few pics of my progress.
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