Question about 1994 Suzuki RF 900 R

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Not holding a charge

If u remove the pos cable from the batt with the bike running shuold it stay run like a car if the alt is putting out

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Many cars and bikes die immediately even if the charging system is working perfectly when you do that. If you want to know if your charging system is working, put a voltmeter on your battery. It should read a little over 12v before you start the bike and around 14v while charging. If you rev to 3-4000 rpm and are still getting a reading less than 13v something is wrong.

Posted on Feb 20, 2009

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1 Answer

Battery wont stay charged when riding, have to charge in garage. how do i check regulator?

use a volt meter to check batt voltage not running, start bike recheck batt, should see increase if not,, guess what!

Jul 09, 2011 | 1999 Honda VFR 800

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My bike will not run on batt power only charge already replaced batt

Needs statter replaced or regaltor replaced charge battery start bike put a voltmeter on battery to see how many volts is charging shouid be 13,50 try that MOPAR KENNY

May 22, 2011 | Suzuki GSX 600 F (Katana Motorcycles

1 Answer

Bike runs while charging with new batt but dies right when I remove cables

This would indicate either the installed battery is no good or it is not charging.
put a voltmeter across the battery terminals with the engine off, it should read better than 12v, when you start and rev the bike this should increase to around 14v

May 21, 2011 | Suzuki GSX 600 F (Katana Motorcycles

3 Answers

Battery flat, not charging. Jump started bike off car - no probs, let it run for 20 min, turned off and tried to re-start, nothing. Dash and headlights don't even come on.

The best thing to do is chk your charging system at the batt terminals w/engine running. The charge rate should be between 13,6 - 14.2 volts. THE HIGHER THE VOLTAGE, THE LOWER THE AMP S. iN TURN , LOWER VOLTS MEAN HIGHER AMPS. iF IT IS CHARGING AT 13V OR LOWER THE BATTERY IS NO GOOD. iF VOLTS ARE HIGHER THAN14.2V, tHE ALTERNATER IS BAD. Often a battery can be saved with a trickle charger, charging at a very low rate over a 48 hr. period. If the Alt charges at substained high output it can overheat and fail. Motor cycle alts. rarely fail because the engine oil removes the heat. So, Chk the battery fluids, slow charge for 24 hrs and repeat the voltage chk. _Good Luck_Ned_

Nov 01, 2009 | 1994 Honda CB 250 Nighthawk

2 Answers

1985 GS700E How would one check to make sure the

To check if the battery or rather the bike's charging system is ok is to run the engine and connect the volt meter to the battery terminals , red to positive and black to negative and thn get the reading as to the rate the charging system is charging should be at around 13.5 to 14volts!
If its not thn theres a problem to the charging system of your bike.
Hope this helps!

Oct 08, 2009 | 1985 Suzuki GS 700 ES

1 Answer

My bike runs real good and starts easy but just

Sound like the magneto is not charging the battery properly, and your bike is then running off the battery while running, sending it flat.

To test this, start the bike, then remove the battery from the bike, it should be able to run without the battery connected. Make sure the positive lead does not touch metal on the bike.

Using a multimeter, check that you have 13.8 volts at the battery while the bike is running, anything less than this and your bike is not charging the battery properly.

Jul 26, 2009 | 1982 Suzuki GS 650 GT

1 Answer

Bike hasn't been running for months. change of owner. low batt. Boosted off truck. All four cable leads conected, ''truck to bike'',truck started, main fuse blows: 1-stator coil de-magnitized ...

First of all, when boost starting a bike from a auto make sure the auto is NOT running. The auto battery has more than enough power all by itself.

The most likely is 4) None of the above. The truck's charging system put more than 30 amps into the bike's electrical system and blew the fuse.

Get a new bike battery and fully charge it. Then go from there. If you really want to see if the bike will run before buying a new battery go ahead and hook up the cables to the truck battery and try it with the truck off.

A faulty alternator/regulator/rectifier should have no effect on the bike actually starting or turning over. Only the output of the charging system would be affected, possibly causing the bike to die when the cables are removed. My '78 Honda would not run at all without battery power, not sure if the Kawasaki is the same or not.

Jul 20, 2009 | 1979 kawasaki KZ 1300 A1

2 Answers

The bike wont run unless you charge the battery first


Take a look on the generator, thats the one charging the battery, the coals in the generator might be needed to be replaced, there are two of them, Also check the two cables from the generator so they arent dameged or broken.
You can take the bike to a repaire shop and ask them to help you measure if the generator gives enough power to charge the battery or on, the can measure the power on the generator and they can measure the power coming to the battery.

Im sure the the problem is the generator or the cables from the generator

Good luck

Apr 03, 2009 | 1989 Honda CB 1

1 Answer

Want hold a charge

get a test light and a schematic. unplug stator plug.start bike ,make sure battery has full charge. test each pin on connector that is attatched to the 3 yellow wires.should light on each pin. if all good check for burn marks around connectors, front & back sides, and on wires. if no power on yellow wires, stator problem. if power, plug connector together, now test for voltage in wires on the voltage regulator side of the connector, to see if the voltage is making it through the connector.if there is power to volt. regulator,test w/ multi meter across battery leads to see if there is charging voltage to battery,approximately 13-15 volts. if only battery voltage(12.2 or less) while bike is running,voltage regulator is no good.if charging good, but bike wont start after prolonged sitting(say overnight) a system amp draw test is needed to see if something is staying powered up while bike is not running, drawing down battery.

Feb 18, 2009 | 1994 Suzuki RF 900 R

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