Yamaha XJ 550R Seca "1981_XJ550R"

Disheartening

So, i got the carbs all back together and mounted properly. I got my carb sync tool set up and ready to balance. Then I hear a nasty sound.

wwwwWWWWWHHHHHHIIIIIRRRRRRRRR!!!!!

It sounded like the starter was about to take off and shoot through the roof. The bike would run for a few seconds, then slowly the starter would start turning until it would catch up to the speed of the engine!

Now, I don't know much about starters but I did a little Googleresearch. These bikes are a little tricky in that the starter engages an idler gear which somehow or another engages with a clutch via some roller and pins. I've got no clue right now exactly how it works, but I could only find out that a replacement means that I have to pull the whole engine and split the case!!

No, I'm not interested in opening this engine up. . This was going to be my cheap commuter.

Now, there is one other possibility. I used 20w-50 synthetic oil rather than 10w-40 for the first oil change (because that's what I could find). Also, I know some gasoline flooded the cylinders because when I went to check the oil level it was way over and smelled like a gas can. Considering all of that, I'm hoping that maybe the contaminated 20w-50 might be causing the problem and may be fixed with an oil change and a few squirts of dino oil through the hole for the starter.

If you have any experience with this. . . PLEASE SEND A MESSAGE!!

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