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Old 08-20-2020, 09:13 AM
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johnstewart johnstewart is offline
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Carb Refurb

So I've messed up one of my carbs pretty good ('nother thread).

I've got a spare set ('79 Mikunis), came off a good running bike, but sitting on my shelf for 20 years (wow).

I know there was someone on the forums who used to clean/tune these up as a service hobby/business. Is anyone around who still does this?

I found this: https://www.ebay.com/itm/Ultrasonic-...-/184185469200

... but I would like to make sure it's all gone completely through and cleaned, not sure this is adequate.

Anyone have a recommendation?
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Old 08-20-2020, 10:37 AM
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And if I'm going to f*** it up myself, this is the kit to get?

https://www.mikesxs.net/keyster-prem...t-xs1100f.html
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Old 08-20-2020, 02:44 PM
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Kit looks good, but you'll also need diaphragms and plungers for the top end if you have some sticking. Where are you located? If youre close, i could assist with carbs.
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1979 XS1100F "Roxy" (my first bike ) - '91 Suzuki GSX1100 Fairing, BMW bags, Cheap ABS Trunk, aftermarket cruiser seat, MAC 4-2 exhaust, Heavy Duty folding kickstart, XS11 Special signals and gauges, Blade Fuse Conversion, Dynacoil Greens w/ ballast bypass, SS brake lines
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Old 08-20-2020, 03:35 PM
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Thanks, Seth! Are those parts available or unobtanium at this point?

I'm in Madison, WI; where are you?
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Old 08-20-2020, 03:38 PM
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sethhope sethhope is offline
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Ah im in Springfield MO. A little far. I can help through the internet though if you need.

As far as the diaphrams, you can get them in a couple places. Just found this on ebay searching for xs11 carb diaphrams
https://www.ebay.com/i/353119997711?...evt=1&mkcid=28

The plungers can be cleaned up with carb cleaner or an ultrasonic.
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1979 XS1100F "Roxy" (my first bike ) - '91 Suzuki GSX1100 Fairing, BMW bags, Cheap ABS Trunk, aftermarket cruiser seat, MAC 4-2 exhaust, Heavy Duty folding kickstart, XS11 Special signals and gauges, Blade Fuse Conversion, Dynacoil Greens w/ ballast bypass, SS brake lines

Last edited by sethhope; 08-20-2020 at 03:39 PM. Reason: added text
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Old 08-20-2020, 04:13 PM
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Be cautious. There are a lot of jet manufactures out there that put out imposter jets. Micunis are the only reliable ones that I know of.
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Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.
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Old 08-21-2020, 01:51 PM
motoman motoman is offline
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Quote:
Originally Posted by skids View Post
Be cautious. There are a lot of jet manufactures out there that put out imposter jets. Micunis are the only reliable ones that I know of.
Very true as Skids has stated. K&L and RD are among those imposter main jets. Mikuni main jets are the ONLY ones metered correctly according to metered size. For example, a K&L main jet metered sizing of 110 is equivalent to a Mikuni main jet of 115-117.5. Been several yrs. ago I sized and compared the two, but you definitely wanna use Genuine Mikuni main jets!.
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Old 08-22-2020, 08:17 PM
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Also, using individual Pod filters is not for the faint of heart. It will require a lot of experimentation and testing with float level and jet sizes. I liked the way the K&N pods sounded. I found a lot of low end torque but with the Jardine 4 into 1 exhaust, the system’s power diminishes quickly above 95mph. If you are thinking that pods would be good for the ease of removing the carbs and airbox, think again.
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Old 08-24-2020, 12:50 PM
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Carb question about needle types?

Has anyone ever used a jet kit needle? Has a longer tip and smoother taper...

Just looking for thoughts?
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