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+--- Thread: Throttle/carbs issues (/showthread.php?tid=80257)
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Re: Throttle/carbs issues - vladgluhovhere - 27-11-18
(27-11-18, 11:10 AM)Fazerider link Wrote: The butterflies aren’t lubricated by fuel, the float bowls being empty won’t have any effect.Pull cable is longer than push, so it makes sense pull goes at the back and push to the front.
I put a drop of oil as near as possible to each bearing point on the pivot shaft, but if the bank of butterflies turn smoothly and snap back OK when the cables aren’t there that doesn’t sound like the cause.
Silly suggestion: have you checked the right cables are on front and back of the carb pulley?
Only asking because the old cable I have to hand has the chunky adjuster on the return side and your photo shows it mounted on the front.
Re: Throttle/carbs issues - Fazerider - 27-11-18
(27-11-18, 12:02 PM)vladgluhovhere link Wrote: [quote author=Fazerider link=topic=24734.msg287941#msg287941 date=1543313403]Pull cable is longer than push, so it makes sense pull goes at the back and push to the front.
The butterflies aren’t lubricated by fuel, the float bowls being empty won’t have any effect.
I put a drop of oil as near as possible to each bearing point on the pivot shaft, but if the bank of butterflies turn smoothly and snap back OK when the cables aren’t there that doesn’t sound like the cause.
Silly suggestion: have you checked the right cables are on front and back of the carb pulley?
Only asking because the old cable I have to hand has the chunky adjuster on the return side and your photo shows it mounted on the front.
[/quote]
Ah, yes. You're right. I'd misremembered the direction the butterflies turn. :o
Re: Throttle/carbs issues - His Dudeness - 27-11-18
Is the problem there when no cable is attached? Do the butterfly valves snap back normally when no throttle cable is attached?
Re: Throttle/carbs issues - vladgluhovhere - 27-11-18
(27-11-18, 07:39 PM)His Dudeness link Wrote: Is the problem there when no cable is attached? Do the butterfly valves snap back normally when no throttle cable is attached?They do, yes
Re: Throttle/carbs issues - Grib - 27-11-18
Just checked the cables on my bike - the two small nuts on the opening cable, longer hex on the closing cable.
Re: Throttle/carbs issues - vladgluhovhere - 27-11-18
(27-11-18, 09:11 PM)Grib link Wrote: Just checked the cables on my bike - the two small nuts on the opening cable, longer hex on the closing cable.Exactly how I have mine.
Re: Throttle/carbs issues - His Dudeness - 27-11-18
Seems like the problem can only be how you routed the cable or that the cable is the wrong length
Re: Throttle/carbs issues - TOM VR46 - 28-11-18
Q. Going by your pic, and what you've said, once installed on bike do you have any free play in the cables, at either end. As you have said the both ends are at shortest setting. Only other idea is a small vid to see how testing cables will of the bike.
Re: Throttle/carbs issues - TOM VR46 - 02-12-18
Wee update for you. Put new cables on today and now no cruise control :'( anymore. Throttle just snaps back. But something I noticed and mentioned before. In your pic the cables seem to be under tension , so I set mine up with no free play at carbs especially on pull side, and guess what , the throttle stuck open :rolleyes and as soon as I put in a bit of play , it just sprung back. Confused me as it makes sense cables tight at carbs but not overtight , but a small bit of play and all good. By small bit of play I mean is that adjusters can move , half turn on lock nuts, they'll still hold in place but have a bit of movement in them .