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Starter Solenoid Questions

This is a discussion on Starter Solenoid Questions within the Yamaha YFZ450/450R (2004-Present) forums, part of the Performance /Technical category; Well recently ive been having some electrical problems w/ the 450. First i replaced the whole wiring harness and that fixed a few problems. THen ...


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Old 04-06-2005, 08:54 PM   #1
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Well recently ive been having some electrical problems w/ the 450. First i replaced the whole wiring harness and that fixed a few problems. THen the relay decided to take a shit. After replacing that the problems seemed to go away but now they started back up. I can only pop start or if i take a screw driving touch the two cables on the back to start it up. Im pretty sure i got the problem now which is the starter solenoid. Now my question has anyone replaced one cause i need to no how hard it is and what not and how to go about replacing it b/c im not the best mech in the world. It cost me a good 6 six places at teh Georgia national this past weekend and it needs to be fixed...Thanks

Paul
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Old 04-06-2005, 10:07 PM   #2
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The starter solenoid is on that bracket that holds the battery, I believe its part number 13 in this pic. It looks very easy to replace, I doubt you'll have a problem. Heres a link to a pic for refrence.

http://parts.motorsportdealers.com/p...gifx?d=18250,3
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Old 04-07-2005, 09:32 AM   #3
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I had the same problem part nr 16 wil fix it.
I changed part nr 13 first but that didnt help.
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Old 04-09-2005, 12:30 PM   #4
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16= 1RL-81950-92-00 RELAY ASSY

13= 5JW-81940-00-00 STARTER RELAY ASSY

mine just will not start now...i am going to try the crossing of wires..but i took it out and ran great...then i stopped and now nothing..just a little clicking and thats it...if anyone knows a good place to get this..let me know...
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Old 04-09-2005, 02:36 PM   #5
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Quote: Originally Posted by YFZ450NF150
16= 1RL-81950-92-00 RELAY ASSY

13= 5JW-81940-00-00 STARTER RELAY ASSY

mine just will not start now...i am going to try the crossing of wires..but i took it out and ran great...then i stopped and now nothing..just a little clicking and thats it...if anyone knows a good place to get this..let me know...
well i replaced 16 today....still the same thing...just a humming sound at that holder that keeps the battery down....any ideas?
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WR Crank, 12.5:1 Piston,Pulse Charger Exhaust, -6 flywheel, Oil Mod, profire and hotwire, hotcams, esr intake, Boyesen Quickshot, and a few honda kills
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Old 04-10-2005, 08:55 PM   #6
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Quote: Originally Posted by YFZ450NF150
Quote: Originally Posted by YFZ450NF150
16= 1RL-81950-92-00 RELAY ASSY

13= 5JW-81940-00-00 STARTER RELAY ASSY

mine just will not start now...i am going to try the crossing of wires..but i took it out and ran great...then i stopped and now nothing..just a little clicking and thats it...if anyone knows a good place to get this..let me know...
well i replaced 16 today....still the same thing...just a humming sound at that holder that keeps the battery down....any ideas?
That humming noise is coming from the relay is a little black box thing. Replace that and you wont have any more problems.

Today i replaced 16 and it did nothing. So bypassed the relay and it started up fine. So again i will have to replace the relay. If it does it again i will be mad i had two rides on the new one
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Old 04-10-2005, 09:15 PM   #7
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well i replaced 16...same thing...took someone's 13 and nothing....took my battery out-reading 12.8 by multi meter and changed it with another one....problem fixed.....

take your battery to autozone or even walmart and have them test it! mine couldnt take a load...but seemed right with a multi-meter
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