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ManiacRider

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Posts posted by ManiacRider

  1. The air cut off valve is a different thing than the enrichment valve.

     

    The enrichment valves add fuel in place of a choke for cold starts, in fact the lever that operates them is labeled "CHOKE". They do not have diaphragms but are plungers with a seal on the end.

     

    The air cut off valves remove some air from the idle mixture at high vacuum, which occurs when coasting. This is done to reduce lean backfire when the throttle is closed and the motorcycle is pushing the engine. They are operated by little diaphragms. This sounds like what you are describing.

     

    I don't worry about air cut off valve diaphragms unless they have a hole or are torn.

     

    Thanks for clearing that up. The internet has the same part with the two separate names which caused my confusion. However, yes it should be the air cut off valve. Thank you.

  2. I started rebuilding the carbs on my 83. Have a question for those experienced with these carbs. The "air cut off valve" or sometimes called the "carb enrichment valve" is causing some concern. The plastic/rubber diaphragm seems to be a little rough. It's not very flexible and the internal side appears to have the surface cut a little. There are no holes straight through the material just that internal side of the diaphragm isn't in the best shape. I don't know how this item is supposed to look. The carbs appear to never have been touched since new as the anti-tamper screws on the carbs don't appear to have ever been turned. Should these valves be really flexible? Will having them in a rough shape still make them usable? I've found replacements range anywhere from $16 all the way up to $67 each. If I don't have to replace them I'd rather not but will if necessary. Any input is appreciated.

  3. Yes KIC they all fit regardless of year. They don't break removing them, what does break is the filler plug if you aren't careful loosening it, if you twist at the wrong angle and /or it is a little seized up the whole angled portion of the side breaks off, soft cast aluminum...

     

    Yep, that's exactly what happened. I didn't realize how soft the cast aluminum was but should have known better.

  4. I think so since your only running a rear caliper rather than rear, front, proportioning valve and a mile of line. If your delinking, the read size for the plug you need is M10x1.25. I had to buy a longer bolt and dremmel it down to ~0.5"

     

    I have a rear reservoir off a Vmax, and another from an older R6, you can have either for shipping but it would not be a direct bolt on, it's the traditional plastic jar. PM me if you want one or pics.

     

     

    Thank you for the offer. I do have an old plastic reservoir off a Kawi that I can use. I'll have to make some sort of custom mount for it but it shouldn't be too difficult.

  5. Was working on flushing the brake lines on my 83 and had a bit of a mishap. I was able to flush the front with no problem. When I went to the rear I attempted to take off the "fill" bolt on the side of the m/c. I used slight pressure....no hammers or breaker bars... and the whole side of the m/c busted off with the bolt still in the threads. That's fun. This bike, despite the PO's statements, has been sitting for quite a while. Lots of frozen bolts and nuts, lots of dirt and grime and all of the fluids are disgusting and haven't been changed in years. No problem, got this bike for a song and wanted a project.....but I can't find a suitable, reasonably priced replacement. Found one on eBay for $120!!! That's more than 1/3 of my purchase price.

    Anyone have one laying around they want to sell? Suitable aftermarket replacements to suggest? Any other purchase options? I considered just outright replacing it with something else but wanted to get some feedback from others first.

     

    edit: I should have been more clear if it wasn't obvious....I broke the reservoir.

  6. Hella horns have been working quite well for me. I had a set of two on my car for two years and they are incredibly loud, 118db when connected directly to the battery. When I sold my car I gave them to my father who has them on his V7 Guzzi. They are mounted right out in the open. No issues with weather or deterioration after two years on his bike. Still loud. If you look around you should be able to find a website selling them for about $50/pair. I'll be putting a new set on my Venture when she's road ready.

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