Mikuni HSR 42
6th Gear
Joined: Mar 2009
Posts: 13
Likes: 0
From: Kansas City
Mikuni HSR 42
I put one on my 2000 FXDX. Fit like a glove. Kept the original jet and the bike runs great. The instructions talked about possibly having to grind some of the fins to make it fit, but I didn't have to modify anything.
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Cruiser
Joined: Mar 2009
Posts: 226
Likes: 87
From: Huntington, NY
cool deal I got one off ebay a while back for CHEAP so I had to get it and was gonna install soon - did you hear about the jet kit that american rider recommends? i was thinking of going with that as well
Also did you notice a big diff in response?
Also did you notice a big diff in response?
6th Gear
Joined: Mar 2009
Posts: 13
Likes: 0
From: Kansas City
No, I haven't heard about the American Rider kit. I bought my bike from a salvage yard - was in a bad wreck. The tank was ripped open, caught on fire and the stock carb was melted. So I don't have anything to compare the performance to. All I know is it runs great!
Road Warrior
Joined: Apr 2008
Posts: 1,899
Likes: 8
From: Aurora, IL
I put one on my Dyna on tuesday. Fit perfect. Can't give you much advice on tuning other than get/read the manual. I just took my bike to get it dyno tuned.
If you need/want parts for it. Jets, needles ect. call Fox Dist. in St. Charles IL this guy really knows his Mikuni's. He is local for me, but his prices are very reasonable. I know 90% of his business is phone orders.
I would call if want to order something
http://www.mikuni-foxdist.com/
If you need/want parts for it. Jets, needles ect. call Fox Dist. in St. Charles IL this guy really knows his Mikuni's. He is local for me, but his prices are very reasonable. I know 90% of his business is phone orders.
I would call if want to order something
http://www.mikuni-foxdist.com/
Cruiser
Joined: Dec 2008
Posts: 133
Likes: 0
From: central ill
its well worth it.the hsr42 i belive is the holy grain(for the money) for v-twin carbs.it is night and day difference from a stock cv to the mikuni.some say you can tune a cv really well but its still not a flatside carb like the hsr,but thats my two cents
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Road Captain
Joined: Apr 2007
Posts: 631
Likes: 0
From: MA
very little if any difference in hp,or torque on dyno, what you can feel is near instant throttle response as compared with the cv..many people associate this with more power..best way to describe it is the carb is either on or off, kind of a pain when trying to gradually increase rpm.. the mik has more adjustment posibilties then cv making it easier to get spot on
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