20 Most Recent 2003 Yamaha Road Star Warrior Questions & Answers


Hi, David before testing any electrical component in the Starting Circuit it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage, the battery is faulty and must be replaced. AGM type batteries fall into this scenario more so than lead-acid batteries.
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Engine Run Switch is "FAULTY" or corroded.
4. Check the 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.
5. Bank angle sensor needs a reset or is faulty.
6. FOB battery low or dead.
7. Faulty ignition switch.
8. Faulty starter button.
9. Faulty kickstand, clutch, neutral safety switch.
10. Security alarm needs a reset.
11. Starter relay, solenoid, starter motor or circuit wiring faulty.
12. Starter armature or field coils have failed.
13. Main fuse or circuit breaker may be blown or faulty.
14. Faulty ignition relay.
15. The electric starter is working but starter clutch has failed.
16. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
https://www.starbikeforums.com/forums/14-royal-star/23673-no-electrical-power-when-key-turned.html
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2003 Yamaha Road... | Answered on Jul 09, 2018


Hi, Fred_wells for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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2003 Yamaha Road... | Answered on Jan 10, 2018


Hi, Jamesw302002 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 "WARNING" you can have 12.5 volts or better but little or zero amps and the battery must be replaced.
2. 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.
3. Faulty main circuit breaker and or connections.
4. Faulty ignition coil and or connections.
5. Faulty spark plug, oil or gas fouled, wrong heat range or service type, wrong gap, loose in the cylinder head, broken electrode or insulator.
6. Faulty spark plug cables, leaking or broken, internal damage check for spark leakage in the dark.
7. Faulty ignition module, switch, CKP, MAP, CMP, sensor and or any connector in the ignition circuit could have corroded, loose, or broken pins/sockets
8. Burnt exhaust valve or air leak in the exhaust system.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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2003 Yamaha Road... | Answered on May 03, 2017


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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2003 Yamaha Road... | Answered on Jan 08, 2017


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. 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.
3. Faulty main circuit breaker and or connections.
4. Faulty ignition coil and or connections.
5. Faulty spark plug, oil or gas fouled, wrong heat range or service type, wrong gap, loose in the cylinder head, broken electrode or insulator.
6. Faulty spark plug cables, leaking or broken, internal damage check for spark leakage in the dark.
7. Faulty ignition module, switch, CKP, MAP, CMP, sensor and or any connector in the ignition circuit could have corroded, loose, or broken pins/sockets
8. Burnt exhaust valve or air leak in the exhaust system.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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2003 Yamaha Road... | Answered on Nov 21, 2016


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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http://www.rswarriordocs.com/manuals/WarriorServiceManual-WO3646.pdf
OEM parts for Yamaha
http://www.rswarriordocs.com/manuals/warrior_owners.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2003 Yamaha Road... | Answered on Nov 14, 2016


There is a tool pouch under the seat...In it there is a tool for removing the spark plugs..

I would recommend that you at least remove the gas tank...It'll make it a little easier to remove and replace the plugs. But, before you remove the plugs...Take an air compressor with a blow gun and blow out the spark plug ports, so no dirt or debris gets into the cylinder. Remove one spark plug wire at a time...Blow the port out...Then remove the plug...Check it and if it's good, re-check the gap and reinstall the plug...Put the wire back on and move to the next plug. Repeat the above...

Make sure you don't cross-thread the plugs when you reinstall them...Make sure the wires are firmly on the plugs...And make sure you put the right wire on the right plug, which shouldn't be a problem if you only remove one at a time.

And also make sure when you reinstall the gas tank that the fuel lines are firmly seated...

Removing and replacing your spark plugs is fairly easy.

2003 Yamaha Road... | Answered on Aug 29, 2014


Your timing is integrated with your electronic ignition, very little moving parts and no direct contacts to wear down. Odds of it going out of time are slim to none, unless the shaft which spins the sensor is worn.

2003 Yamaha Road... | Answered on May 14, 2014


Backfiring and cutting out liike this is probably a symptom of one or both of the following: too rich a fuel mixture, or too weak a spark. Take your spark plugs and see if they tips look tan or black. If black, your fuel mixture needs to be leaned out. Another possible cause is a dirty and or clooged air filter, which can reduce the air flow into the engine. Take it out, bang the dust and debris out. If it looks really dirty, replace it -- they're cheap. If your spark is too weak, you may also notice a loss of power, especially at higher revs. If none of these seem to be the culprit, have your ignition timing checked.

2003 Yamaha Road... | Answered on Apr 20, 2014


adjust the light switch. It is located near the RH footpeg and is connected by a small spring to the brake lever. You may have forgotten to re=connect it when the replacement lever was installed.

2003 Yamaha Road... | Answered on Feb 06, 2013


check the side stand it may, as a lot of bikes do, have a switch to stall the bike when the stand is down to stop you pulling away with it down. these get covered in road dirt and water and do go faulty. hope this helps.

2003 Yamaha Road... | Answered on Aug 06, 2011


Water condensation in the gas tank has made it into the carbs float bowls. The water kills the spark at times and the unburned gas is exhausted into the tail pipe. The next stroke or two the cylinder fires and the hot exhaust gas ignites the unburned gas mentioned previously. BANG! Just drain the float bowls to rid the water. Draining the gas tank would lessen the frequency of the problem.

2003 Yamaha Road... | Answered on Mar 06, 2011


Here is a list of part numbers that fit the road star



BOSCH............................3300
K&N...............................KN-303
NAPA GOLD.....................1358
PUROLATOR...................ML16817
STP.................................SDF13
WIX................................51358
FRAM.............................6017A
HASTINGS.......................LF-113
HI FLO...........................Harbor Freight Tools: Discount tool vendor.
', CAPTION, 'HF',BELOW,RIGHT, WIDTH, 200, FGCOLOR, '#EEEEEE', BGCOLOR, '#0D5382', TEXTCOLOR, '#000000', CAPCOLOR, '#FFFFFF', OFFSETX, 10, OFFSETY, 10);" onmouseout="return nd();" onclick="return overlib('Harbor Freight Tools: Discount tool vendor.
', STICKY, CLOSECLICK, CAPTION, 'HF',BELOW,RIGHT, WIDTH, 200, FGCOLOR, '#EEEEEE', BGCOLOR, '#0D5382', TEXTCOLOR, '#000000', CAPCOLOR, '#FFFFFF', OFFSETX, 10, OFFSETY, 10);" href="javascript:void(0)">HF
-303
EMGO............................10-82220
PER-FORM.....................J-503

2003 Yamaha Road... | Answered on Nov 05, 2010


all bike are to be checked in the upright position! then find out how much the bike takes from your manual if you dont have a manual ...do the following ..when you just change oil and not filter you will be adding less oil,"almost" all bikes take @ 3 quarts oil minimum, so what i do to be safe!! is always after draining is put in two quarts no problem, but with the third bottle i only pour in half.. drop oil cap back on and start the bike and let it run for a minute, the turn it back off, then check oil level, if it doesn't register anything on the stick or sight glass then your o.k. to add the rest. now take a reading, and only fill to almost full, i always under fill my bikes, because over filling will cause damage to internal bearing by the air bubbles from the splashing of the crank in the oil pan. Same as cars.
If you found this helpful can i get a rating?
Thanks

2003 Yamaha Road... | Answered on Aug 19, 2010


You can try repairing it with a hard mixture of JB weld....Hope this helps you out.

2003 Yamaha Road... | Answered on Aug 15, 2010


Unless you have had your clutch recently replaced it is probably starting to wear or it is not fully engaging. Some possible causes - the clutch lever is not allowing it to fully engage. Look at swivel by clutch cover and see if cable gets loose. Spring maybe weak or cable maybe binding. Your bearing on your clutch lever may also be worn out. Remove and inspect.

2003 Yamaha Road... | Answered on Feb 21, 2010


You have a 2003 Road Star up but you say its an atv.....but if it is the atv and it is not EFI then it maybe time to clean the carb. or play with the idle air screw on the carb. hope this helps

2003 Yamaha Road... | Answered on Feb 14, 2010


Hate to tell you this, your bike does not have a carb. It is fuel injected. If the bike is running okay, don't fix it. If it runs poorly, let the dealer fix it. You don't want to get into the system and accidentally mess up the fuel mapping in the Fuel Injection system. These things get really technical very quickly. Best wishes.

2003 Yamaha Road... | Answered on Nov 30, 2009


Check your kick stand, or the switch to make sure it's not making contact thinking that the bike is on the kick stand.

2003 Yamaha Road... | Answered on Oct 19, 2009

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