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#438755 jdhays (User) Fresh Boarder Posts: 1 mikuni carb 6 Months ago   I have a 2006 road star silverado 1700,i was wondering when i change the stock carb to a mikuni hsr 45mm will i have to change anything else like manifold,or is it just a switch out. thanks for ur help.   Logged     The administrator has disabled public write access. #438760 Spydr (User) Let's Ride ! Gold Boarder Posts: 700 Re:mikuni carb 6 Months ago   jdhays wrote: I have a 2006 road star silverado 1700,i was wondering when i change the stock carb to a mikuni hsr 45mm will i have to change anything else like manifold,or is it just a switch out. thanks for ur help. Most don't have to do anything but remove the two centering nubs on the carb side of the manifold and remove the spacer from the clamp. Setting up and adding the TPS is a good idea and strongly encouraged. Some have said they have issues with their Throttle and Choke cables, most however had no problems with them. I just had to figure what course to re-route them so they worked smoothly and didn't conflict with something else. Got your Carb yet or still looking? Spydr   Logged     Welcome to my NightMare   The administrator has disabled public write access. #438765 Erbman02 (User) Platinum Boarder Posts: 3801 Re:mikuni carb 6 Months ago   the 42hsr carb works fine, the 45 on a stock engine is a bit overkill. You will not gain anything more from the 45 vs the 42. The 42 works fine for up to a 108 big bore. Yes, there are a few that run the 45 on a stock engine, but as I said, there is no more benefit to it over the 42.   Logged       The administrator has disabled public write access. #438769 davej (User) Platinum Boarder Posts: 4199 Re:mikuni carb 6 Months ago   +1 on what has already been said. The choke cable will work using the enricher plunger from the HSR carb. If you buy a used one and it don't have a choke cable on it you will probably not have the plunger.The stock cables can be used with some mods for the cable bracket at the carb.The TPS mod would be a good thing to consider. It is a matter of making a bracket and mounting the TPS. And like any carb the jetting will need to be correct. But once you see what jets are in the carb you choose just post it and someone can give you a idea what to do with what you have. here is a pic of the TPS bracket and what I did for the OEM cable. (pull cable only)   Logged     Last Edit: 2011/11/23 14:12 By davej.   dave   The administrator has disabled public write access. #438771 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 5500 Re:mikuni carb 6 Months ago   Nice job on the bracket I cant even see it   Logged     feel free to look thru my albums http://s1222.photobucket.com/albums/dd490/jasonwoody/ email me at jasonwoody1982@yahoo.com my 2005 midnight 1700   The administrator has disabled public write access. #438772 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 5500 Re:mikuni carb 6 Months ago   Ah you fixed it is that the one I think it is?   Logged     feel free to look thru my albums http://s1222.photobucket.com/albums/dd490/jasonwoody/ email me at jasonwoody1982@yahoo.com my 2005 midnight 1700   The administrator has disabled public write access. #438776 davej (User) Platinum Boarder Posts: 4199 Re:mikuni carb 6 Months ago   smokescreens wrote: Ah you fixed it is that the one I think it is? It's not the thick one. It is from the other plate you sent me. Again thanks I did save the other for a template. maybe use it as a RSC template pass around   Logged     dave   The administrator has disabled public write access. #438790 Spydr (User) Let's Ride ! Gold Boarder Posts: 700 Re:mikuni carb 6 Months ago   davej wrote: [quote]It's not the thick one. It is from the other plate you sent me. Again thanks I did save the other for a template. maybe use it as a RSC template pass around[quote] Awesome Idea! Way to help out the fellas who do this mod later.   Logged     Last Edit: 2011/11/23 15:50 By Spydr.   Welcome to my NightMare   The administrator has disabled public write access. #438791 old dog (User) Platinum Boarder Posts: 1601 Re:mikuni carb 6 Months ago   Erbman02 wrote: the 42hsr carb works fine, the 45 on a stock engine is a bit overkill. You will not gain anything more from the 45 vs the 42. The 42 works fine for up to a 108 big bore. Yes, there are a few that run the 45 on a stock engine, but as I said, there is no more benefit to it over the 42. Not speaking from hearsay, the 42 will run the stock- 110 just fine,I have run both.Go with the TPS,If you are looking for plug & play http://www.maxairengineering.com/mm5/merchant.mvc?Screen=PROD&Store_Code=ME&Product_Code=MAX_HSR_42&Category_Code=ROADSTAR many here have used his set up. bill   Logged     110 cu in., PR/JE 10.25:1 HC pistons, PR Cam, PR adjustable push rods, PR stage II ported heads (2mm oversize valves)   The administrator has disabled public write access. #438813 Curt (Moderator) Never to old to ride! Moderator Posts: 12505 Re:mikuni carb 6 Months ago   45's are good they work just as well as a 42 and are easier to find and cheaper in most cases. And if you ever go bigger in the engine then you already have a carb to handle it.   Logged     My Site Black Ice is Shiny, Black Ice is Deadly, Ya Wanna Ride My BlackIce?   The administrator has disabled public write access.

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