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Increased revs in gear ???

Gazdok

Cruisin' Guzzisti
Joined
Oct 27, 2008
Messages
122
Location
GB
I have not used the bike for about 5 weeks at the end of summer because of a hand injury. When I went back on it I noticed that on startup the revs seemed higher than normal - about 1600. This seemed to settle down again after a few minutes, but kept reoccurring.
When I go into neutral the revs go down to 1200 and as soon as I select a gear even with the clutch pulled the revs are back up to 1600. I used to use engine braking quite happily at low speed and the bike would slow down, but now I seem to even get a kick as the revs are "stuck" at 1600.
Nothing has been done to the bike's settings.
Has anyone come across this "phenomenon" before?
 
It means your stepper motor is getting goooy. I would clean it, a bit of spray down the air feed hose that plugs onto R/H bottom of airbox. Then I dose it with silicone spray.
An explanation on why---- switch on clutch lever is recognized by ECU and triggers stepper increase.
 
Thank you for the reply.
This is a tank off job realistically or can I get to the feed hose with the tank on?
 
Thank you for the reply.
This is a tank off job realistically or can I get to the feed hose with the tank on?

You can turn the tank sideways and get the airbox lid off. Easiest way to get cleaner into the stepper. I like to put some carb cleaner down the access hole (for the hose) let is sit a few minutes, start the bike and add additional cleaner with the engine running.
 
Thanks for the replies.

I have just lifted the tank up and turned it slightly to the left.
Is this the feed hose behind the sensor cable? PB163539 1
 
Usually it is best to clear the field so you can have good access. With the aribox lid off, you can easily see the hole where the hose connects at the right rear of the airbox. Trying to get to it from below is difficult and you may damage other components.
 
It looks much tighter than it is. I managed to get to the hose with 2 fingers and it was just "finger tight". A bit of carburetor cleaner really did the trick. Idle, neutral and in gear revs back to normal.
 
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