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I split the crankcase on the Fastwin because, after rebuilding the carb, putting on a new fuel pump, and doing the link and sync, I could not get the motor to idle correctly and noticed a lot of gas/oil build up on the side of the crankcase and bottom of the housing. To me it looks pretty suspect. I can't say that I see any sealant was used on the crankcase. When I pulled it apart, the mating surface had gas/oil wet spots all around it. It easily wiped off clean with a paper towel, with no evidence of gummy, rubber or otherwise any kind of sealant. I have the Scotch-weld 847 on order to seal it, as well as new upper and lower seals and bearings. A few questions/observations:
1) I wanted to post some pictures to see what you guys had say from having split crankcase halves apart and what you'd expect them to look like with a normal seal.
2) I notice the top section of the crankshaft/rod area has carbon deposits, where as the lower area is clean. Would this be normal or would that tell you to look for something?
3) If you see anything else in these pics I should investigate, I'd really appreciate it.
