Question about 2008 Aprilia Pegaso 650

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Aprilia Strada 650 fuel starvation symtoms, 45000kms ridden, hard to start, irratic running but clean running when full throttle. Very "jerky". Have replaced fuel filter twice (once only 10000kms ago) but still occurs. Shop reckons its a pressure switch inside the pump! Any other ideas and is this a common fault with the Aprilia fuel pump? Thanks

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Hi, Tuidog and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in the fuel system, carburetor or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor or intake seals.
12. Loose or dirty ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damage intake or exhaust valve.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
DOWNLOAD 2008 Aprilia Strada 650

Posted on Oct 26, 2015

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: how can I reset the service light on my aprilia pegaso strada.

DIAGNOSIS
This menu interfaces with the systems fitted to the
motorcycle to carry out diagnosis. To enable the menu, a
password is needed that is available only to aprilia service
centres.
• Insert the service code
It is a 5 digit code, for Pegaso the code is: 25973
If code is wrong, appears the message:
• Incorrect code
The instrument panel goes back to main menu; if not, the
menu appears:
• EXIT
• ECU ACTUATIONS
• ECU PARAMETERS
• ECU ERRORS
• DASHBOARD ERRORS
• DELETE ERRORS
• SERVICE RESET
• DISCONNECT
• UPDATE
• UPDATE KEYS
• KM / MILES
Once the operation is over, the instrument panel goes back
to main menu.

Posted on Jul 18, 2009

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Hi, Aaron and the usual suspects are:
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For more information about your issue please visit the websites below. Good luck and have a nice day.
DOWNLOAD 2005 Aprilia Pegaso 650 Strada

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Gidday from New Zealand!!!! did anyone find a way to resolve this problem? I took my pump in to the workshops and their was two other Aprilia pumps there ( one was from another Strada 650) with the same fuel starvation symptoms. I have changed my filter twice in the bikes 46000km, the contamination reminded me of black rubber, could this be from the pump? Look forward to hearing from anyone. Thanks

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