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This was all good info - I had seen other posts on the MC rebuild a few years ago but couldn't find them, so this was quite helpful (I also had a rear brake lockup recently). Thanks to Squidley for the conversation also. I was wondering if anyone knew why there was not a diagram that showed the parts inside the proportioning valve portion of the MC? And if there is a rebuild kit for it? I was able to clean mine up - the rubber boot on the copper piece still seems good, as well as the o-ring on the big 19mm cap bolt. What if those were rotted or if the spring was too rusty to clean up? Or has everyone been lucky and not needed to replace any of these? Or have they just scrapped it at that point and split the rear from the front brake and eliminated the part altogether? Just curious...

I checked the service manual for the 86-93 Ventures and it outlines how and where to do it starting on page 2-14 under Periodic Inspections and Adjustments, chapter 2. The different throttle cables have different places to adjust them at depending on which one is loose. Since you just replaced the grips on the bike, I would double check the cables at the grip and make sure they are seated correctly in the housing and that there is a bit of free play in the throttle. It is possible that a cable slipped and isnt fully seated in the attachment to the carbs, throttle grip, or cruise control actuator and is pulling the throttle blades open in the carbs. Does the grip seems harder to rotate then before the new grips installed? Wish I could be more help on this but this one is hard to say without seeing it. Good luck Rick F.

I would like to join you at Asheville 2022