Kat Needs Help :D

[Nireen]

This last trip I could not get the bike past 120 and at full throttle I am getting a wee kick back or resistance.  Kinda like a hi-cup I cleaned the air-filter and the at the garage said to try that first no change and than suggested the spark-plug.  Anyone of you have this issue happen?
Missed ya all!
Kat.

[xsel777]

What's it like going up hills? If it is more sluggish than usual, could be cvt needs looking at. Rollers worn perhaps.
Or alternatively the belt needs replacing as its width has  diminished due to wear.

Sent from my Mi Max using Tapatalk

[hypophthalmus]

More details about the hiccup might help. Is it at WOT, or does it lurch at some spot as you open the throttle? Does it recover?

Air filter and spark plugs are regular maintenance items that you should have been keeping up with anyways.

If you're going to sequentially go through all the things it could be, it could take a while and be expensive.

The best thing would be to access the EFI data and see if it's trying to compensate for lean/rich conditions, which should immediately put you on the right path. If you or someone you know has the means to do this, anyways.

[hypophthalmus]

Say, your bike has a tachometer -- what's it get up to at WOT?
If it were a transmission issue where it can't "upshift" enough, the engine should still run at full speed.

[Nireen]

What is WOT?  All I no it won't go past the 120ish mark and I use to get it to 135 easy full out.  Not now.  And while I am at the 120 I can feel this kick back and resistance.  It is annoying as it comes and go's so I just let off the throttle.  I use to pass everything not now!

[hypophthalmus]

WOT = wide open throttle, full throttle.

Next time you drive full throttle, take a look at the tachometer and see how high it gets, and whether it's jumping. It should help point you to transmission or engine problems.

[Nireen]

OK will look at that.  The tachometer is not the speed meter correct but the other one beside it?
and YES I am always at full throttle when this happens.

[Stig / Major Tom]

OK will look at that.  The tachometer is not the speed meter correct but the other one beside it?
and YES I am always at full throttle when this happens.

Searching read outs from the EFI is not a home fix for any of us.
Kat what is your mileage on the scooter and on the CVT parts (belt and rollers) and spark plug?
Lets start with simple things.
Engine speed is shown on the other dial....not the road speed one. Is the engine still showing the same speed you had at 135?
Stig

[Nireen]

Stig, 25000ish Km's on the bike now and nothing has been changed except for spark plug.  I just checked the plug and it was slightly loose so I changed it and tightened it as best as I could and tried it but still is doing this.  I checked on the belt last year and it looked in good shape. I am not certain but I recall the engine dial about about 7 or 8 and I think now it is higher but I am really not sure on this!!! I never was really watching this in the past to much.

[Stig / Major Tom]

Take look at your owner's manual. ....25000Km might be about time for a new belt, and/or rollers.

As belts wear, they get less wide, which lowers possible top speed. A fresh belt will be wider....and you might find that lost 15Kph. Check validity of this with your mechanic.
Stig

[Nireen]

OK I am gonna get a belt I think my book says at 20,000km change belt

[hypophthalmus]

Definitely get rollers (or sliders) as well,  so you can do both while you've got the CVT open.

[Nireen]

Are they pricey, I know the belt is about $120!

[hypophthalmus]

Rollers are cheap. Sliders are a bit more, but wear better.

[Nireen]

I wonder now how much of a problem this will be for me to get the parts from the garage here??? There is no more dealer in Canada now!  Can other brands work?