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Old 06-07-2012, 04:57 PM   #9
kalbert
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Join Date: Jun 2012
Location: Minnesota
Posts: 509
Re: TH-700R4 Thoughts and advice?

Quote:
Originally Posted by beamn7 View Post
As for your original question, the hard pedal certainly usually indicates a bad throttle valve. That can be replaced easy enough during the rebuild process without having to replace the entire valve body. These valve bodies were still cast so they don't wear as easy as the newer alluminum valve bodies we are dealing with today.......
You know you bring up a good point here. Could be just a stuck or sticky TV valve. If I'm not mistaken I think the bore for the TV valve is an aluminum part that is just pinned in, and prone to burrs and cracking.

There is also the possibility that the TV cable is frayed or pinched or otherwise damaged and sticking. have you disconnected the cable from the carb and verified that it moves smooth and consistent?
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