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> Look what I got!
Bamsambo
post Jun 19 2014, 05:50 PM
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Mikuni HSR 42. Goin on the bike!


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LoudnProud
post Jun 19 2014, 05:52 PM
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Nice....

Enjoy....

That should wake it up a little.... (IMG:style_emoticons/default/thumbsup.gif) (IMG:style_emoticons/default/thumbsup.gif) (IMG:style_emoticons/default/thumbsup.gif)
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Jarhead
post Jun 19 2014, 06:41 PM
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Back a life time ago I used to love Mikuni carbs, simple and effective. I hope it works for you.
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Sick_Puppy
post Jun 19 2014, 07:52 PM
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Got 25,000 on my HSR 42 with zero problems. Tad cold natured but once warmed up it run's great. No hick-up's or popping. 50+ mpg also. Did you get a total kit or just the carb?

This post has been edited by Sick_Puppy: Jun 19 2014, 07:53 PM
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Bamsambo
post Jun 19 2014, 08:04 PM
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QUOTE(Sick_Puppy @ Jun 19 2014, 08:52 PM) *
Got 25,000 on my HSR 42 with zero problems. Tad cold natured but once warmed up it run's great. No hick-up's or popping. 50+ mpg also. Did you get a total kit or just the carb?



Got the total kit Tom. Extra jets, adapters for different cleaners, etc.
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Fgowi
post Jun 19 2014, 08:09 PM
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Should be great, Sammy! Good deal!!
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Night Rider
post Jun 20 2014, 05:59 AM
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that looks like it would ROCK!!!!
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T14B
post Jun 20 2014, 09:19 PM
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Cool! Don't know nothing about carburetors, I'm just glad you're bike will be back in service for an August road trip!
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Blackcloud
post Jun 21 2014, 06:55 AM
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(IMG:style_emoticons/default/stupid.gif)
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badco_67
post Jun 27 2014, 02:32 PM
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Sammy, are you replacing the EFI, or did you have different carb set up already?

My '99 TC has the Marelli EFI, which has really been great. I'm seeing some issues this summer with decreased fuel economy, and hard starts on occasion. Not sure if it's the issue or not, the problems are intermittent.

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badco_67
post Jun 27 2014, 02:37 PM
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I'm going to check out my coil and get some new cables first, they may be going bad, I don't think I've every replaced them....
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Bamsambo
post Jun 27 2014, 04:24 PM
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QUOTE(badco_67 @ Jun 27 2014, 03:32 PM) *
Sammy, are you replacing the EFI, or did you have different carb set up already?



Stock carb Sean. Replacing the vacuum slide Keihin with a mechanical slide Mikuni 42.
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Bamsambo
post May 8 2015, 07:39 PM
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UPDATE: Yea I know, it's been almost a year since I changed this out but I've been busy, after all I don't have a job. (IMG:style_emoticons/default/thanks.gif) It wasn't too much of a job to change out. Although the instructions say that pulling the Tank isn't necessary I did pull it. I wanted to make sure everything was correct. Glad I pulled the tank as the accelerator cables had to be rerouted because of how they route to the carb. Then I had to deal with fuel supply and vac line. All this is a lot simpler if you pull the tank. After install the bike ran pretty good. Started pretty quick and would actually sit and idle. (IMG:style_emoticons/default/headbang.gif) Rode it awhile and it ran pretty good except for a hesitation on initial acceleration. Of course, not being satisfied with that I decided to go see my friend Gary. Not that Gary is old school but he rides a Pan. Went by to see him, explained what I had done and he says "gimme a phillips head." He tells me to start it, which i do. He listens for a few seconds and while it's running he makes an adjustment to a screw on the carb. His statement was, "accelerator pump, try it now." And of course I did. Unreal how much better it ran. Unlike the Harley Keihin the Mikuni has adjustments that are accessible from outside that the Keihin doesn't have. According to Gary the accelerator pump controls the initial amount of fuel injected at acceleration. A Mikuni can be adjusted installed, a Kehin has to be taken off and adjusted by "trial and error." Granted I have no clue what kind of horsepower this bike had when I bought it, Stage one with K&N and Screaming Eagle slipons. So at this point I have changed the mufflers and the carb. The bike runs real good. Of course, it still has to warm up. After awhile I talked Gary into doing a Dyno run for me. Granted I have no clue what the HP was when I bought it BUT when Gary ran it I got 76 HP to the wheel. Considering that a stock 88 only has 64 from the factory I'll take 76.
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Blackcloud
post May 8 2015, 08:40 PM
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Good deal. Sounds like you done good.
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Sick_Puppy
post May 8 2015, 08:49 PM
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Yea!
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Jarhead
post May 9 2015, 06:14 AM
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Outstanding! I've never dealt with a Harley carb but back in my motocross days I could set one up in short order using the spark plug color as a rich lean guide.
I still have to tear my outboard carbs down and rebuild them every spring due to the alcohol in the gas.
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LoudnProud
post May 9 2015, 10:20 AM
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Cool, I'm glad you're happy with that setup....

Interesting info about the difference in the two carbs...
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Ordy
post May 9 2015, 11:15 AM
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Cool!

Now i gotta' look up the differences between vacuum and mechanical slide and figure out what I had on my old Honda Shadow 750. Remember pulling them and rejetting and running leaner than shit because I didn't install them level. All you smelled was gasoline all around me when I ran the bike.

Gotta' love it when a plan comes together.

Ride safe
Ordy
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EZGlider
post May 9 2015, 04:41 PM
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Good deal, Sammy. Stay safe and enjoy sleep on' in. (IMG:style_emoticons/default/thumbsup.gif)
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Night Rider
post May 11 2015, 09:57 AM
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Crazy speed demons ... stock factory everything is the way to go ..
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T Blade
post Aug 23 2015, 05:35 AM
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My 08 Heritage is fuel injected, and I love that, after 42,000+ not a stitch of problem, BUT, I'm running a 38mm Mikuni round bore on my 79 Low Rider, I put it on the old girl in 86 and she's been there since. Good luck with your new score :) hope your cycle is running hard and clean!

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