Question about Aprilia Motorcycles

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  • Aprilia Master
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Hi Anonymous and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of enrichner.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, 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.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
Good luck and have a nice day.

Posted on Oct 23, 2015


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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: Trouble starting my 2003 TTR 225

how old is the gas it may have a lot of water or junk in it.drain the bowl on the carb and drain the fuel out of the tank, check the petcock screen inside the gas tank. also i would not spray start fluid into the plug hole, it could blow a hole in the top of your piston,spray a little right into your air cleaner or carb.good luck

Posted on Jan 13, 2009

  • 1 Answer

SOURCE: ther is no spark

i had the same problem, i replaced the pulse coil at the fly wheel

Posted on Jan 17, 2009

  • 1 Answer


1. Remove the plug from the cylinder.

2. Put the plug wire cap on the removed plug.

3. Have a buddy push down several times on the kick starter
while you look at the end of the plug for a spark.

This works best in a dim or dark garage.

Posted on Mar 20, 2009

  • 53 Answers

SOURCE: bike wont start bought new battery charged it and

It won't start? or it won't turn over? If it won't turn over have your starter checked out and proceed from there. If it tries to turn over but won't start, change the sparkplugs and see if you get a spark. If you do not get a spark you should take it to a repair center. If you do get a spark with the new spark plugs, install them and see if it runs. If not see if it's getting fuel, If it still wont run whether it is getting fuel or not I reccomend taking it to a bike mechanic.

Posted on Jun 15, 2009

Big 750
  • 50 Answers

SOURCE: Starting problem. I changed the

need to clean the carb with foaming carb cleaner

Posted on Jun 07, 2011

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