Sticky Throttle - What to check?

[daveyrach]

My throttle does not self return, what do i need to check and do i need the airbox off?

[Mark_h]

Mine was binding on the bar-end. Check the simple stuff first!

[stew]

as above.

mine was doing this. also spray some grafite grease/wd40 ect down the cables. could be sticking a bit.

as mark_h says check the simple stuff first.

[barwel1992]

rust :lol:


check the cables for kinks or damage, also check the throttle tube for damage

[SVMAT]

Mine was throttle tube on bar, i had to remove and polish bar as itd become keyed and was binding on tube. Also cleaned tube out and added grease as above. Made slow speed manouvering a biatch but on the a-roads/m-ways it was like cruise control giving the right hand a rest for once.

[monkey]

You need to find where it's sticky i.e. at the throttle, cables or carb end. You should be able to check the throttle end easily enough by removing the clamps on the clipon and pulling out the cables. If it is free then give it some grease/oil whilst you have the throttle off and continue your investigations.

[toxic]

Easiest way is to operate the cam on the carbs and see if that returns, if it does, it's the cables/throttle. If it doesn't it's the carb linkages. Either way a simple process of elimination.

[monkey]

You consider it easier to remove the tank and airbox than undo two screws?

[toxic]

It all needs to be lubed IMHO, no point in half measures.

[hongman]

Wd40 will strip out all the good stuff, use 3in1 or something.

[monkey]

It all needs to be lubed IMHO, no point in half measures.

It's not the easiest way to see what's sticking though is it.

Too right Hongman. Hence my bold grease/oil statement. I use white spray grease.

[toxic]

Oh the easiest way? Pay somebody who knows what they're doing, not cheap, but far, far easier!

[monkey]

I agree with no half measures. It all depends on when the tank and airbox were last off, how mechanically minded the OP is and what servicing the bike's had. I tend to get carried away and still miss loads of stuff I could/should do.

[toxic]

I suppose the best way is to ask people before any technical advice is given, do they own any tools beyond the tool kit under the seat?

Probably a thread about tools round here somewhere.

[monkey]

I think tools are a given unless folk have go-go-gadget fingers ;)

[toxic]

You mean like Edward SwissArmyHands?

[Mykey.M]

i'd check all adjustments for the cables on both ends n then take them off completly n oil them up :)

mine were crap n i did that n now its new! :)

i also had to cut a bit of the grip down to stop it rubbing on the bar end.

[daveyrach]

Took the switch gear apart and lubed up now it all good. I use WD40 but i read above this may not be best?

What else can i use bearing in mid i will have to go buy it.

[stew]

i used silcolene SILKOPEN spray.

this is what is says on there website

SILKOPEN



Contains a suspension of very fine lubricating graphite in a thin searching mineral oil carrier to penetrate corroded or seized threads and lubricate at the same time. Can penetrate the full length of the cable, forcing out dirt and corrosion, leaving a thin graphite and oil lubricating film for a silky smooth lever action.


i got it because thats all the local bike shop had at the time. think it was about £7 for a tin. still got loads left after doing all the cables ect.

[Mykey.M]

for lubing stuff like that silkolene is the best. they do a silicone spray for cable and stuff liek that. works wonders :)

but i think thats what the guy above said about

[ocr_sv]

wd40 is a water displacer, so eventually will dry things out not lubricate them. you need silicone spray of some sort.

My sv has been laid up for a while and ive got my **** into gear into sorting it out and getting it on the road. The throttle wouldnt turn at all, so took the tank and air box off, cleaned all the linkages with a solvent spray and greased them up. The throttle cables probably need doing too.

What actually makes the throttle self return? there must be a spring somewhere or somthing

[toxic]

What actually makes the throttle self return? there must be a spring somewhere or somthing

There is a spring on the carb/TB linkages.

[daveyrach]

Yeah there's a spring at the carb end attached the cam the cables do.

Mine turned out to be sticky cables at the throttle end luckily so didn't need the take the airbox off.

[ocr_sv]

ah only takes 2 mins to wip the tank and airbox off, however i had operated the throttle at the carbs and they still didnt self return, so i take it that means the spring is buggered? i used a solvent spray to clean them but it obviously hasn't worked enough, really dont want to have to take the carbs apart :(

[daveyrach]

Well if the cables are stiff in their casings and sticking they won't, I started by taking the cables off at the throttle end and lubricating, holding the cable up so it could work its way down. That did the trick. In short could just be stuck cables and nothing to do with the carbs or throttle assembly.

[toxic]

If they worked previously then they can be stuck due to corrosion, spray the whole offending linkage and operate by hand many times to free the mechanism.