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Re: Sami is idling fast

Posted: Sat Feb 04, 2012 9:01 pm
by jerseyben
twiss wrote:When the weather warms up a bit more, you can remove the choke plate.
Could save you having to fork out for the conversion right now, as long as you can deal with the issue until its warm enough to start without choke!

I still highly recommend the SU conversion though.
I had a 1300 engine which bit the dust... got to the point where it just wouldnt start.
Put the SU on it and used it for a year after that ;)
sweet cheers,

no i am not too bothered by warming it up as its not my daily drive,

i have had a look at the choke section in the user manual online but cant figure out which bit i need to take off... can anyone give me somewhere to start ??? thanks,

Ben

Re: Sami is idling fast

Posted: Mon Feb 06, 2012 3:14 pm
by twiss
To take the choke plate out...

- Undo the screw or nut that hold the black metal thing (plenum chamber) on top of the carb
- move any random pipes out of the way
- Lift up the plenum chamber and you will see the 2 throats of the carb.
- One of them has a butterfly right at the top, the other doesn't
- The top butterfly is the choke. It should be held on with 2 small screws.
- Remove them VERY carefully and store them somewhere safe.
- Remove choke plate
- Plenum chamber back on and away you go

I did run mine in the winter like this, but had to sit for 5 minutes feathering the accelerator to warm it up before it would move lol

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 3:47 pm
by jerseyben
Thanks for that Twiss,

i had a look at my carb today on my lunch and the way i have rigged it at the moment is i have adjusted the screw that operates the choke so that it is perminatly held open. ( the butterfly is vertical) i had it running like this before and it was fine. Took it out for a long test and the revs become stuck in the 3,000 4,000 range. (not too sure as my rev counter is broken). when i turned it off for a couple of hours it ideled fine. drove it a bit further and the problem happend again.... i turned it off and sat for a while to see if it would sort itself out but as soon as i started up again it raised the revs. today when i had a look at the carb i started it up and was idleing fine after i had warmed it up.
I am begining to think that it may be something a bit deeper within the carb getting stuck causing the revs to elevate as the problem is intermittant and i havent changed anything to make it idle high or not. anyone have any ideas if it could be anything els or is this still a dodgy choke problem ??

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 4:36 pm
by twiss
Have you tried disconnecting the idle up plug from your carburettor? Its a green plug going into it
It pushes the revs up when lights, etc are on.

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 4:56 pm
by ScottieJ
twiss wrote:Have you tried disconnecting the idle up plug from your carburettor? Its a green plug going into it
It pushes the revs up when lights, etc are on.
Sometimes its a brown plug! on my engine the Green plug is the Fuel stop solenoid.

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 5:16 pm
by jerseyben
ScottieJ wrote:
twiss wrote:Have you tried disconnecting the idle up plug from your carburettor? Its a green plug going into it
It pushes the revs up when lights, etc are on.
Sometimes its a brown plug! on my engine the Green plug is the Fuel stop solenoid.
When it was idleing high last time i remember reading something about this. I disconnected both pluggs whilst it was running. the green one being situated under the carb i cant remeber what it exactly plugs into. and another cable that is neer the front of the carb / manifold area. Situated next to the altinator. both of these did nothing to the idel speed :(

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 5:18 pm
by ScottieJ
It should have stopped running altogether if you unplugged the fuel stop solenoid :lol:

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 5:20 pm
by Edweird
ScottieJ wrote:It should have stopped running altogether if you unplugged the fuel stop solenoid :lol:
Mine kept running when I unplugged the solenoid too. I think it's seized.

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 6:49 pm
by jerseyben
Image
and
Image
where both of the cables i unplugged when running to see what they did and nothing happened :S haha

Re: Sami is idling fast

Posted: Tue Feb 07, 2012 8:01 pm
by twiss
Yeah they never did anything on my standard carb either lol
I just thought it was jammed or broken
Worth a go though :)