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[QUOTE="Colorado, post: 926440, member: 60368"] Guess we'll see if I've really figured out the quote feature. I've got ten quarts of Klotz coming, so will probably run that for a while. When I was 16 the smell of it could have been bottled as a cologne and I'd have bought it. I'd have smelled like the backside of Ake, or of Brad Lackey. I'll expirement a little when it's gone. I did try some Bel-Ray synthetic in my vintage bikes at 50:1 (as recomended on the bottle) and could hear the tired IT trying to seize as it reved down. It scared me and I poured 5 gallons of pre-mix out as weed killer in my alley (please don't tell the EPA). My KDX is running good using the Castor 927 at 32:1, without noticable smoke or any fouling (the aroma isn't as good as Klotz was though, or my 47 yr. old senses are jaded). Thanks. I dropped the cylinder off today for boring and a Wiesco piston at a shop that does a lot of vintage work. $65 for machine work sounded like the high end of the range, but they can get all of the parts, gaskets, etc., I want without me running them down myself. They're a motorcycle junkyard too, and are going to see if they have a good intake boot for me. I plan to polish the ports myself before reassembly. My Clymers says that lateral rocking indicates a worn pin or needle bearing. I already ordered new ones this morning, even though I couldn't see any fatigue or cracking in the bearing cage. I figured replacement now would sure beat wishing I had later, and thought the wavy pattern of wear below the compression ring, as well as the piston galling forward on one side and behind on the other might indicate undesired lateral slop. It seemed logical, and as long as I'm doing the bore and piston thought more new parts might be safer in the long run anyway. Thanks for that last! I'll do the main bearing check tonight. RE: the small end, the bearing's out, and I have a new bearing coming. What I'm really wondering though is if the connecting rod itself can wear in the holes to the point that even with new bearings the risk of failure is there, and if there's a way to check for that wear. I've been collecting all of the parts for this old IT to make it look just like (well, or really close) one would have on the showroom floor in '78, and I want it to run like a new '78 too, without blowing up on me like my '77 did. [/QUOTE]
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