Question about 2002 Yamaha YZF-R1

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My 2002 R1 is cutting out and I am getting an er 1 code with tranny

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Hi, Tom and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Accelerator pump damaged or not working.
11. Water or dirt in the fuel system, carburetor or filter.
12. Restricted, blocked or kinked fuel line.
13. Fuel tank empty.
14. The gas cap is not venting properly or fuel tank venting system blocked.
15. A failed fuel pump, pressure regulator and or fuel injectors.
16. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
17. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
Engine Cutting Out While Riding
Error code 1 and 2
https://r1videos.files.wordpress.com/2011/04/2002-2003-yamaha-r1-service-manual.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Sep 02, 2016

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Posted on Jan 02, 2017

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SOURCE: 2002 r1 code 19 on speedo and no fire

19 is associated with the sidestand interlock

The bike must be in neutral or have the sidestand up. These interlock the starting cut-off relay.
Does your neutral light work? If it does not, that needs to be resolved, but bike should still start if the sidestand switch is made (stand is up).
If bike still does not start, then you may have problem with the diode assembly or the starting circuit cut-off relay.

Posted on Aug 17, 2009

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1 Answer

2002 r1 code 19 on speedo and no fire


19 is associated with the sidestand interlock

The bike must be in neutral or have the sidestand up. These interlock the starting cut-off relay.
Does your neutral light work? If it does not, that needs to be resolved, but bike should still start if the sidestand switch is made (stand is up).
If bike still does not start, then you may have problem with the diode assembly or the starting circuit cut-off relay.

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