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Author Topic: Sensitive Throttle. Quick rev from 2k to 4k (VIDEO)  (Read 790 times)

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Offline McQueen 750

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Sensitive Throttle. Quick rev from 2k to 4k (VIDEO)
« on: May 11, 2011, 11:57:03 AM »
I'm not getting a smooth throttle up. It revs from 2K to 4K with the slightest pressure on the throttle(barely twisting). Is this a carb issue?

You can fast forward to the 2:11 mark and see it.

1975 CB750F
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-1975 CB750F (Follow the thread: http://forums.sohc4.net/index.php?topic=88829.msg997640 )
-1978 CB750K8(Parts bike)
"Trust me you'll regret it, but you'll regret it more if you don't at least try it."

Offline 2wheels

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Re: Sensitive Throttle. Quick rev from 2k to 4k (VIDEO)
« Reply #1 on: May 11, 2011, 06:11:30 PM »
Maybe and air leak between the engine and a carb.  Like a split in the rubber that opens a little as the engine revs up.

You don't mention how the throttle feels while turning when the engine is not running.
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1970 CB750 K0 (I can't believe I tossed my duck tail seat in the trash 30 years ago)

Offline McQueen 750

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Re: Sensitive Throttle. Quick rev from 2k to 4k (VIDEO)
« Reply #2 on: May 11, 2011, 11:47:15 PM »
Quote from: 2wheels on May 11, 2011, 06:11:30 PM
You don't mention how the throttle feels while turning when the engine is not running.

You mean like if it is a "sticky" throttle cable? The throttle actually has pretty smooth action from the closed to wide open positions.
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-1975 CB750F (Follow the thread: http://forums.sohc4.net/index.php?topic=88829.msg997640 )
-1978 CB750K8(Parts bike)
"Trust me you'll regret it, but you'll regret it more if you don't at least try it."
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