Iron man strength required for throttle

R

Represto

Over 1,000 Posts
I've been having throttle tension issues for a while. The thing takes WAY more weight to twist than it should. Fixing a few sharp bends helped a bit...but I've had them completely straight (no bends) and it's still heavy. My guess is that I don't have the correct springs at the carbs. This is only a guess though.

I have new throttle cables coming in. So when they do arrive, I'll be taking a deeper look. Does anyone have any suggestions of where else I should look?
 
I would have said bends, But you covered that already. Mine has a craaaazy bend that i havent fixed yet. im just kinda getting use to it now.
 
I'm use to it because it's all I've ever known. Yet when I try someone elses...it makes me think that I can EASILY get use to a buttery smooth throttle.
 
Yeah, i Had a 350 that i traded kuyarico for his 750. And that was so smooth. I remember when we traded and we both had to ride home on our new bikes. i thought Oh, man im going to forget about this and im going to go right into the back of someones car.
 
if you unhook the throttle cable(s? dual, by any chance?), does the throttle sleeve still seem stiff? can you actuate the throttle plates on the TBs by finger?
 
I guess it could be a few things: throttle tube is not lubed where it goes over the handlebar, tube it not lubed where it's under the control, cables themselves are not lubed or linkage at the carbs may be stiff (again not lubed) :)

Did you try unhooking them from the carb to see if they are still stiff? This would help isolate the issue.
 
Despite my recently acquired title of "Revered Caff Racer Idol", I'm still very much a newbie. My post count relates to questions and sometime moderately humorous (to me) comments.

Thanks for the advice. I'll check back here if I have more questions.

;D
 
I took off the tank and got in there for a look and a quick finger feel/pull. Upon closer inspection, it was clear what (some) of the problem was; the cable wasn't on the glider (term?) properly. It was beside it...and rubbing horribly. I realigned it and noticed a big diff instantly. The cable itself doesn't look damaged...and I have a spare on stand by.

I also re-routed the throttle cables a bit better and lubed them.

It's nicer now but not totally perfect.
 
Probably just need new cables, someone probably kinked them at one time, try lubing up the whole assembly from the handlebar to the carb. Also look for a tension adjustment screw on the throttle itself.


Represto said:
I took off the tank and got in there for a look and a quick finger feel/pull. Upon closer inspection, it was clear what (some) of the problem was; the cable wasn't on the glider (term?) properly. It was beside it...and rubbing horribly. I realigned it and noticed a big diff instantly. The cable itself doesn't look damaged...and I have a spare on stand by.

I also re-routed the throttle cables a bit better and lubed them.

It's nicer now but not totally perfect.
Click to expand...
 
That someone was most likely me. When I swapped out the stock bars my cable routing was really bad. I didn't realise how much of a difference it would make. All I think I have to do now is screw the cable a bit deeper into the throttle housing (term ?).

Maybe a bit more lube too.
 
This is interesting, I am having similar issues. (POsted on 1800 help section - cb750 cafe first ride not so good. Suggestions??) I have checked my cables and found that they move freely with out any issue when they are not of the carbs. So I think my problem is in the carbs. I am open for suggestions on this as well.
 
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