Occasional hunting idle - Page 2 - MVAgusta.net
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post #11 of 14 (permalink) Old 03-23-2018, 01:52 PM Thread Starter
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Quote:
Originally Posted by Miko View Post
Inside ECU (Magneti Marelli IAW 16m) there is a potentiometer that adjust injectors timing - affect CO value. Don't turn it 360 - you'll damage it!!


Something like this

No.

But to be honest, adjusting CO potentiometer is the LAST thing on the checklist that should be done.
It's more likely that fresh fuel, new/cleaned air filter, new spark plugs, clean and adjust throttle bodies, sync vacuum will lead to solution. I asume that TPS sensor still has paint over adjusting screws and that injectors are not cloged.

Awesome stuff...thanks! Yes, the bike only has 3600 miles on it...I will be tinkering away this afternoon...just getting to the airfilter seems like a job!

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post #12 of 14 (permalink) Old 04-19-2018, 06:05 PM Thread Starter
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Update...

had it out today and it ran great (around 60 degrees faren). When I got home and let it sit idle in my driveway it started hunting again. I rev'd it a few times and it kept hunting. then I turned it off and turned it back on and it was perfect again. I then rode it around for 10 more minutes and it was perfect and crisper than ever.

bad gas??? seems so intermittent....

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post #13 of 14 (permalink) Old 04-19-2018, 11:50 PM
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Quote:
Originally Posted by ArabianOak View Post
......just getting to the airfilter seems like a job!
Really?
With the key remove the passenger seat
With your fingers remove the rider seat Dzus
With an Allen wrench undo 1 bolt on the fuel tank, lift it and undo 2 quick release fuel lines and the electrical connector
With 2 Allen wrenches remove the 2 key surround screws and the 2 air box screws unplug the electrical connector

Too much work????

Don't EVER buy a BMW bike
mitchy and mitchy like this.

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post #14 of 14 (permalink) Old 04-20-2018, 07:37 PM
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ArabianOak:
You have a 12 year old bike.....
Change the oil and filter, you want a Purolator PL 14612 filter (auto parts store)
Change the coolant, brake and clutch fluid, it's DOT 4
Replace the fuel filter, and the lines in the tank, you will need 12" of SAE J30- R10 and some 5/16" Buna-N vent line
Inspect/replace all external vacuum lines and vacuum caps
Buy 8 stainless steel M4 x 25mm Allen head screws and a 3mm ball end Allen screwdriver, these will replace
the Phillips screws on the intake manifold hose clamps
Remove the side stand and tighten the pan bolts
Retorque the hub pinch bolts to 15lbft/20Nm NOT THE FACTORY PINCH BOLT TORQUE, IT DESTROYS BEARINGS!

Your erratic idle was probably and air leak......we just fixed that


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Last edited by theknurl; 04-22-2018 at 06:09 PM.
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