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Stepper motor on/off kit

PhillR

Just got it firing!
Joined
Jul 29, 2010
Messages
5
Location
Histon, Cambridge UK
Yep It's one of your units.
The revs drop down slightly to about 700rpm when the unit is switched so I think the unit is working.
It just doesn't hold a fast tickover when its cold without holding the throttle, and when it is warm enough to tick over it suddenly misfires about every 5th stroke and trys to die.
I've checked and there are no faults stored.
I will go to a local dealer and get the TPS reset and see if that makes a difference.
I'll let you know what happens.
Cheers
Phill
 

GTM®

Administrator
Staff member
GT di Razza Pura
Joined
Jul 1, 2009
Messages
12,752
Location
Malibu
Phill, the engine is programmed to idle 1250 RPM, so ~700 is very low. I'd suggest a TPS check/reset for sure.
 

PhillR

Just got it firing!
Joined
Jul 29, 2010
Messages
5
Location
Histon, Cambridge UK
Hi Todd
I have taken the stepper motor cut out off and the bike is back to standard and runs ok.
When I try and blow through the unit it will not let any air pass through as thou it is blocked, should it be like that ?
I think I will go down the Power Commander V route.
I notice that they have now upgraded the units to allow ignition timing changes.
Have you been doing any work with them re adjustments to the Norge timing change
Phill
 

GTM®

Administrator
Staff member
GT di Razza Pura
Joined
Jul 1, 2009
Messages
12,752
Location
Malibu
PhillR said:
When I try and blow through the unit it will not let any air pass through as thou it is blocked, should it be like that?
Without power to the valve, no air will pass through.

I think I will go down the Power Commander V route. I notice that they have now upgraded the units to allow ignition timing changes. Have you been doing any work with them re adjustments to the Norge timing change
Very good. They/Dynojet have always offered timing options for the big-4, but never for Guzzi, and they will not be offering it. Too much time to R&D for the small amount of unit sales for Guzzi. I will continue to make timing adjustments, along with all of the other work I do on the GT-Rx ECU re-flash.
 

GuzziHero

Cruisin' Guzzisti
GT Contributor
Joined
May 2, 2009
Messages
466
Location
Stoke-on-Bloody-Trent
Strange question but... is there any chance the stepper motor bypass would work on other bikes, eg the Benelli Tornado? I just got one and would be interested in turning it off as it can cause off-throttle cut out on the Benelli.
 
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