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choke knob not staying fully up

Started by rollinghelmet, January 01, 2015, 09:25:18 PM

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rollinghelmet

My choke knob is not staying fully up

What is causing this, how do i fix, were do i get parts

so this means on cold mornings when i want full choke i have to hold the choke knob out for a minute



Arnie

Don't really know the reason, but its not a "serious" problem.
Mine has never stayed 'engaged', but pulls back in almost immediately after pulling it ON.
It could be that I should never have lubed the "enrichment connector rod", or it could be that the cable end should be crimped a bit more. (which I'm not willing to try)
I've got a piece of closed cell foam about 10mm thick with a V cut into it and a string connecting it to the little change box in the LH fairing.  IF I need to keep the choke ON, I just  put this under the knob for a 1/2 min or so.  The FJ shouldn't need choke for more time than that anyhow.
You might want to ensure that your idle speed (when fully warm) is about 1100 rpm.

Arnie

ELIMINATOR

At the FJ's age it is not surprising, even worse at my age. :biggrin:
BMW 1150GS
Moto Guzzi California 3

Mark Olson

If it doesn't make the click..click sound when you pull it or push back in , it is worn out .

You can find one at RPM Randy's and have it shipped.

Often they will melt into the head if not guided properly.

A way to put more tension in it is to route the cable for sharp turns so it becomes stiffer to pull and stays up.

(Yeah , I know what this sounds like.) :mocking:

Mark O.
86 fj1200
sac ca.

                           " Get off your ass and Ride"

FJmonkey

Switch to #40 jets, you may not need the choke. I hardly use my choke now.
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

simi_ed

Quote from: FJmonkey on January 02, 2015, 08:39:16 PM
Switch to #40 jets, you may not need the choke. I hardly use my choke now.

I hear switching to a rideable bike may require use of the choke    :empathy2:

When are you fixing yours?   :ireful:
-- RKBA Regards,

Ed
===
Ed Thiele 
Simi Valley, CA -- I no longer have SoCal manners.
'89 FJ12C (Theft deterrent Silver/White)


- All that is necessary for the forces of evil to win in the world is for
enough good men to do nothing.

- Edmund Burke

FJmonkey

Quote from: simi_ed on January 02, 2015, 09:10:53 PM
When are you fixing yours?   :ireful:

I love you too Ed.... That was a really good laugh, thanks. I am working on solutions. I have a good welder and recent access to Solidworks to design a bracket to make this debackle work. I plan to make extra brackets for other sorry ass Ambulance riders that want to have dog bones....
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

mark1969

Degrease the cable by spraying some brake cleaner down it. Someone has probably lubed the cable in the past. Worked for me anyway..

mark1969

Quote from: mark1969 on January 03, 2015, 10:58:43 AM
Degrease the cable by spraying some brake cleaner down it. Someone has probably lubed the cable in the past. Worked for me anyway..

Further to my comment about degreasing, it does help to a degree, but I've just bought a new unused choke cable (old stock) and the action is really positive and kind of like a mini ratchet inside the cable. Without stripping it apart (I may with the old one when I've swapped them) I'm guessing the ratchet action wears over time rendering the thing a bit useless.

Put simply, I cannot wait for my new choke cable to be fitted. I've also purchased a very nice looking aluminium choke knob from ebay Germany. I don't particularly want the bling look, but in case I have to mash up the old knob to get it off (if drilling old screw out doesn't work..) it seemed a steal at £7.50 delivered...  :yahoo:

JOMPPA10

I fixed mine by using dremel to grind those worn out notches in choke rod (hope u understand).