How does the choke cable connect to the carb?
05-10-2009, 09:14 AM
#1
Junior Member
Squid
Thread Starter
Join Date: May 2009
Posts: 6
How does the choke cable connect to the carb?
I hit a pothole last weekend and at the next light I noticed the bike idling at 2000 instead of its typical ~1000.
I popped the tank up and on the rear carb I can see the choke cable's shiny little spring. It looks like it goes into a dark circle on the side of the carb, what could be an O-ring but is probably the thread of a nut, because on the other end of the spring, hanging out of the carb, it looks like there's a nut head that I can push flush against tha carb. When I pull the choke, it actually pulls this "nut" closer to the carb, but there seems to be nothing to actually get it fixed to the side of the carb.
My guess is that this is actually a part of the cable, that this is how the cable housing attaches to the side of the carb, and when I hit the pothole, the nut head sheared off leaving the thread in the carb? Can anyone confirm what I'm looking at?
I intended to bring it to a mechanic for a carb sync and jet kit this week anyway. I'd like to give them some idea what OEM part they should order first, so I don't have to sit out another week waiting for the thing to show...
This is the first sun we've had in a week. And I'm here on the internet.
Sigh.
I popped the tank up and on the rear carb I can see the choke cable's shiny little spring. It looks like it goes into a dark circle on the side of the carb, what could be an O-ring but is probably the thread of a nut, because on the other end of the spring, hanging out of the carb, it looks like there's a nut head that I can push flush against tha carb. When I pull the choke, it actually pulls this "nut" closer to the carb, but there seems to be nothing to actually get it fixed to the side of the carb.
My guess is that this is actually a part of the cable, that this is how the cable housing attaches to the side of the carb, and when I hit the pothole, the nut head sheared off leaving the thread in the carb? Can anyone confirm what I'm looking at?
I intended to bring it to a mechanic for a carb sync and jet kit this week anyway. I'd like to give them some idea what OEM part they should order first, so I don't have to sit out another week waiting for the thing to show...
This is the first sun we've had in a week. And I'm here on the internet.
Sigh.
05-10-2009, 09:36 AM
#2
Senior Member
SuperBike
Join Date: Jul 2005
Location: MN
Posts: 1,548
you are right. the cable has a plastic threaded part at the end that secures the fuel enrichment device to the carb - one for each carb - easy to break while installing/overtightening. Never heard of one breaking over a bump!
05-10-2009, 01:50 PM
#3
guru of things sparky
SuperSport
Join Date: Oct 2008
Location: Grand Prairie , Texas
Posts: 599
If the black plastic threads are still stuck in the side of the carb where the choke plunger goes, you will need to carefully turn that out counter clockwise with some picks or small chisel..
From Honda that part comes with the choke plunger and isnt cheap.
You might find a used cap somewhere. I scrounge them up for carb jobs from local bike shops and salvage yards every now and then since those choke plungers are sometimes over $100 a set (per carb)
From Honda that part comes with the choke plunger and isnt cheap.
You might find a used cap somewhere. I scrounge them up for carb jobs from local bike shops and salvage yards every now and then since those choke plungers are sometimes over $100 a set (per carb)
Last edited by Circuit_Burner; 05-10-2009 at 01:54 PM.
05-10-2009, 01:50 PM
#4
Junior Member
Squid
Thread Starter
Join Date: May 2009
Posts: 6
We grow 'em big around here. Didn't expect it to be a fork-bottoming choke-cable-breaking affair. Maybe the last guy in there tightened it too much and it was a hair's breadth away from shearing off? Thanks for the sanity check, will call my wrench tomorrow and get it ordered in advance.
I did an ugly tie-wrapping of the rubber boot and went riding today anyway. Not great, but better than sulking at home!
I did an ugly tie-wrapping of the rubber boot and went riding today anyway. Not great, but better than sulking at home!
05-10-2009, 01:57 PM
#5
guru of things sparky
SuperSport
Join Date: Oct 2008
Location: Grand Prairie , Texas
Posts: 599
Yea, Those black plastic threaded things like that barely get tightened beyond finger tight.
Noob mechanics miss this everytime, just like when they tighten down rear axle nuts too hard.
Noob mechanics miss this everytime, just like when they tighten down rear axle nuts too hard.
05-10-2009, 02:18 PM
#6
Junior Member
Squid
Thread Starter
Join Date: May 2009
Posts: 6
Aha!
I think it's part #11, part number 16046-MBB-640:
http://fiche.ronayers.com/Index.cfm/...OMPONENT_PARTS
...and there it is, the "nut" and its corresponding threads. $25 from Honda, not too bad!
I think it's part #11, part number 16046-MBB-640:
http://fiche.ronayers.com/Index.cfm/...OMPONENT_PARTS
...and there it is, the "nut" and its corresponding threads. $25 from Honda, not too bad!
05-10-2009, 06:58 PM
#8
Member
Squid
Join Date: Sep 2007
Location: Arizona
Posts: 41
i broke the plastic threads off of mine when i had the carbs off a couple months ago, i think the parts cost me like $35 with shipping. Believe it is called a starter valve or something of the sort. Im so careful when I remove them from the carb now.
05-10-2009, 07:58 PM
#10
Senior Member
Superstock
Join Date: Jun 2006
Posts: 358
i sware its like no one listens to me. a short search would turn up my thread about a brass alternative that is easy to source and cheap. (and wont break) i dont remember the part number as its been years but i think the fitting carb is off of a polaris 400 scrambler. i had them on my hawk.
05-10-2009, 08:33 PM
#11
Senior Member
SuperBike
Join Date: Jul 2005
Location: MN
Posts: 1,548
i sware its like no one listens to me. a short search would turn up my thread about a brass alternative that is easy to source and cheap. (and wont break) i dont remember the part number as its been years but i think the fitting carb is off of a polaris 400 scrambler. i had them on my hawk.
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