Question about 1998 Yamaha YZF-R1

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My 99 r1 keeps cutting out and it cutting straight back in when im riding but now its getting worse and is completely dying. It starts again fine but its happening more frequently and the distance is getting shorter once it has done it. It idles fine in neutral.

Posted by Anonymous on

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  • Yamaha Master
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Hi, Anonymous 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
engine cut out and other problems
1998 1999 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Sep 02, 2016

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: replaced stator and battery, bike still givin trouble

the regulater is located between tha battery and the gas tank .There are (3) white and(2)red wires .See if they are showing signs of damage from heat more than likley they are because when you "boost" or jump these bikes you burn a very weak diode witch regulates the charging time from the stator i would check ebay for the best price on a new regulater rectifier you may need one.I had the same problem with my 2000 model r6.good luck bro!

Posted on Jul 04, 2009

czaa
  • 4514 Answers

SOURCE: Engine cuts out with clutch engaged.

is your bjke water cooled could have aproblem with that-its gettin hot-if air cooled carb may neede cleaning. the clutch is ok but indicates to me that that carb needs a low speed jet adjust also-do u have a clymer manual!!

Posted on Aug 04, 2009

  • 440 Answers

SOURCE: Intermittent problem with neutral light on a 2002 R1

The neutral swich is located behind the front sprocket cover
Ride Safe
Bike-Doc

Please mark this as helpful (if it has been!!)

Posted on Aug 14, 2009

Testimonial: "Hi,thanks, found it. Very useful Pete"

  • 18 Answers

SOURCE: 2002 r1 starts fine with good fast idle and tick

check the exup valve

Posted on Jan 21, 2010

  • 921 Answers

SOURCE: when im riding i get sporadic bursts where i have

easiest thing to do first is purchase a can of Sea Foam @ Autozone pour 1/3 cam in 2 gal fuel and ride and get on it once in awhile about 10 to 15 miles and see if this will clean out the system.

Posted on Apr 17, 2010

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http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

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When im riding i get sporadic bursts where i have no power then it kicks in after a few seconds 5-15. its a 99 r1


easiest thing to do first is purchase a can of Sea Foam @ Autozone pour 1/3 cam in 2 gal fuel and ride and get on it once in awhile about 10 to 15 miles and see if this will clean out the system.

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