Harley Davidson Forums

~~tnt69~~ · Oct 11th, 2009, 07:32 AM

Ive just bought a new 42 mm Mikuni HSR carbie for my 1986 FXSTC, after rideing a lot of kms on the original H-D carbie i thought it was time to upgrade.I have a complete custom front end includeing throttle cable to the original carbie already on my bike,so i dont think this is the original throttle cable but,
Can anyone tell me if my original cable, is on the bike, will it fit to my Mikuni carbie.

Breeze3at · Oct 11th, 2009, 09:41 AM

I installed a HSR 42 on my '92 FXDC, and used the original cables with no mods. needed.
Your last sentence is confusing, but the cable(s) you have been using with the stock carb. should work with the Mikuni.

Caper · Oct 11th, 2009, 10:10 AM

Yep...CV and Mik use the same cables, Mik spigot is a tiny bit larger than the CV, it's a tight fit...lube the seal with some WD40 or dish soap to make pushing it into the spigot a little easier, put one on my '90 Heritage but can't remember if I used the stock HD seal or a thinner aftermarket one.

fin_676 · Oct 11th, 2009, 05:50 PM

I dont know exactly when the change came but at one time only 1 cable was used and on some bikes when fitting the hsr42 you need to change the twist grip to the 2 cable type

Brian

~~tnt69~~ · Oct 11th, 2009, 08:35 PM

thanks ,yeah i think they the cable on my bike will fit

Thanks for the heads up on possible different spigot sizes

thanks for the twist grip 2 cable setup,i will investigate this as well

fin_676 · Oct 12th, 2009, 04:05 PM

If you only have on cable to the carb then it is shut off by a strong spring the mikuni doesnt have that strong spring and requires a cable to close the throttle hence the 2 cable system 1 to open and 1 to close

Brian

Caper · Oct 12th, 2009, 04:36 PM

'86 have throttle /idle cables, a good upgrade to go along with the Mik though would be the '90-up spigot style 3 piece manifold and get rid of the insulating spacer and compliance fittings. You wouldn't need a flange adapter to mount the Mik to the older manifold either.

Piotra · Oct 14th, 2009, 09:20 AM

On Mikuni Webpage you can find a lot of informations about instalation this carb.
Mikuni American Corporation

here for example you have all information what you need to do with your stock cables:
http://www.mikuni.com/pdf/ekmanual012302.PDF

Oct 11th, 2009, 09:41 AM	#2
Breeze3at Contributor$ Ride: 2007 Electra Glide Classic Join Date: Aug 18th, 2009 Location: Warner Robins, GA Posts: 3,516 My Mood:	Re: Throttle cable for 42mm Mikuni HSR carbie I installed a HSR 42 on my '92 FXDC, and used the original cables with no mods. needed. Your last sentence is confusing, but the cable(s) you have been using with the stock carb. should work with the Mikuni. __________________ I don't ride fast, but I do ride far.

Oct 11th, 2009, 10:10 AM	#3
Caper Play The Throttle Ride: 03 FLHPI Join Date: Mar 14th, 2009 Location: Cape Breton NS Posts: 236	Re: Throttle cable for 42mm Mikuni HSR carbie Yep...CV and Mik use the same cables, Mik spigot is a tiny bit larger than the CV, it's a tight fit...lube the seal with some WD40 or dish soap to make pushing it into the spigot a little easier, put one on my '90 Heritage but can't remember if I used the stock HD seal or a thinner aftermarket one.

Oct 11th, 2009, 05:50 PM	#4
fin_676 Moderators Ride: 1992 Softail Custom Join Date: Dec 21st, 2008 Location: Banffshire,Scotland Posts: 3,989 My Mood:	Re: Throttle cable for 42mm Mikuni HSR carbie I dont know exactly when the change came but at one time only 1 cable was used and on some bikes when fitting the hsr42 you need to change the twist grip to the 2 cable type Brian

Oct 11th, 2009, 08:35 PM	#5
~~tnt69~~ Account Removed Ride: 1986 FXSTC Join Date: Feb 17th, 2008 Posts: 9	thanks ,yeah i think they the cable on my bike will fit Thanks for the heads up on possible different spigot sizes thanks for the twist grip 2 cable setup,i will investigate this as well Last edited by STEVE07; Oct 14th, 2009 at 10:07 AM.

Oct 12th, 2009, 04:05 PM	#6
fin_676 Moderators Ride: 1992 Softail Custom Join Date: Dec 21st, 2008 Location: Banffshire,Scotland Posts: 3,989 My Mood:	Re: Throttle cable for 42mm Mikuni HSR carbie If you only have on cable to the carb then it is shut off by a strong spring the mikuni doesnt have that strong spring and requires a cable to close the throttle hence the 2 cable system 1 to open and 1 to close Brian

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Oct 12th, 2009, 04:36 PM	#7
Caper Play The Throttle Ride: 03 FLHPI Join Date: Mar 14th, 2009 Location: Cape Breton NS Posts: 236	Re: Throttle cable for 42mm Mikuni HSR carbie '86 have throttle /idle cables, a good upgrade to go along with the Mik though would be the '90-up spigot style 3 piece manifold and get rid of the insulating spacer and compliance fittings. You wouldn't need a flange adapter to mount the Mik to the older manifold either.

Oct 14th, 2009, 09:20 AM	#8
Piotra Warming The Wheels Ride: Bobber LowRider Join Date: Jun 24th, 2009 Location: POLAND Posts: 107	Re: Throttle cable for 42mm Mikuni HSR carbie On Mikuni Webpage you can find a lot of informations about instalation this carb. Mikuni American Corporation here for example you have all information what you need to do with your stock cables: http://www.mikuni.com/pdf/ekmanual012302.PDF

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