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Bogging down gsx250e after a mile always and stops

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  • ukjules
    replied
    I see if I add (you = your) followed by a comma it does in fact read correctly.
    Totally understood on keyboard fault !! especially using a mobile.

    Now saying that! Searching on a mobile phone for details on series regulators on this site leads me no where. I say again no where of any use.

    Yes I know i want one. I know there are many types of regulator but if you guys say it is the one it is the one. I could order from wemoto in flash but I am damned sure they are a more standard type.

    The obvious next questions a millisecond after that realisation is where to buy one (a series RR) and how to fit as everyone on ebay has different connections (not an issue being handy with the bullet connections I have to assume only).

    I assumed someone sat having a beer on a Sunday might have said - hey jules you get this one (pic or url), and here is a wiring diagram I made to assist you in between gulps of the cool ale. armed with a bullet connector knowledge it will take you 15 minutes.

    now anyone who stumbles on this thread if they read on will get that !

    Leave a comment:


  • Cipher
    replied
    Its not me its the keyboard

    Leave a comment:


  • Cipher
    replied
    Originally posted by ukjules View Post
    Thanks all. it seems exactly as yiu describe ! battery poss on way out Nd dies as you describe

    airflow over RR - Poor as hidden by side panel

    Battery - yes has been troublesome to charge and at one point I put aside. it never on my trickle charger stopped blinking (meaning constant charge). it did get enough volts mind to start my bike.....
    yes the battery is suspect. (I have a perfect one in gs)

    and yes I have a car battery for any tests.

    can j ask one thing ! what does this mean in English? for the test ?
    don't mean to be rude but you have the exact issue and wanted to do the test today .... (it may be me as I had 8 speckled hen ales last night )

    "if it runs in excess of you painfully short present best time then its def regulator"

    )
    Well it was in English
    If hooked up to a large reserve car battery and if the Bike runs far longer than it had previously then it point to the charging system.

    Leave a comment:


  • Grimly
    replied
    Get a proper series reg rec, an SH-775 and wire it in.
    Do a search on here for the info, there's no shortage of it.

    Leave a comment:


  • ukjules
    replied
    Results.

    car battery 12.74v
    ignition on 12.5
    started 1k 13.3
    2.5k revs 15v
    3k revs 15.34

    I stopped it before it usually bogged down as these are mad figures.

    don't forget my stator ohm figures were 1.4ohm at 200ohm setting between all three points . this is same as.my gs which works fine.

    I have never seen such high readings on a working bike. usually no more than 14
    on my gs at high revs.

    do you guys reckon it is the RR ? (If so any thoughts on where to get one? and Out of interest would any one do - 3 stator wires plus a neg and pos ?

    OR

    do I do the gs swap RR test first ?

    whatever is said I will make so
    Last edited by ukjules; 05-22-2022, 05:51 AM.

    Leave a comment:


  • ukjules
    replied
    Test 1)
    car battery - fan - static bike test - start and run and see if it runs smoothly for far longer than when it usually bogs down (usually within 6 minutes)

    (I think this deciphering of test is correct)

    (this test first as j have just yesterday redon all the connections on both bikes stator, forgot the plastic shields and used elec tape so doing this again will be last to try and swap rectifiers )
    (q) wonder with long wires could I connect from.gs rectifier to gsx and not take it off gs ? and do the static run with fan)

    Leave a comment:


  • ukjules
    replied
    Thanks all. it seems exactly as yiu describe ! battery poss on way out Nd dies as you describe

    airflow over RR - Poor as hidden by side panel

    Battery - yes has been troublesome to charge and at one point I put aside. it never on my trickle charger stopped blinking (meaning constant charge). it did get enough volts mind to start my bike.....
    yes the battery is suspect. (I have a perfect one in gs)

    and yes I have a car battery for any tests.

    can j ask one thing ! what does this mean in English? for the test ?
    don't mean to be rude but you have the exact issue and wanted to do the test today .... (it may be me as I had 8 speckled hen ales last night )

    "if it runs in excess of you painfully short present best time then its def regulator"

    AND

    can anyone suggest where to get another RR if that is the next thing.
    (I will see jf I can use the gs rectifier for a test too )
    Last edited by ukjules; 05-22-2022, 04:43 AM.

    Leave a comment:


  • Cipher
    replied
    You are now describing symptoms of a dying battery due to faulty charging.
    Ill also assume your battery has been rendered unchargeable.

    Classic Suzuki fail

    The battery is marginally charged bike starts and runs then dies.
    Battery sits and partially recovers ( theres a tech term for this but I cant recall its name.)

    I have had several OEM reg rects die they are simply crap. SOme blame connections but my new series has no better connections and runs cool to the touch without a ripple.

    To test this get a big fan to cool the engine and run the bike on its centre stand using a healthy car battery to supply juice.
    If it runs in excess of you painfully short present best time then its def regulator

    Leave a comment:


  • Grimly
    replied
    14.8V is right on the edge of acceptability. What's the airflow over that RR like? If it's an old shunt type, it will tend to get warm anyway, but even at that my old shunt ones never got actually HOT.

    Leave a comment:


  • pdqford
    replied
    If that R/R seems very hot, will the R/R from your GS550ET be made to work temporarily on your GSX 250E?

    Leave a comment:


  • ukjules
    started a topic Bogging down gsx250e after a mile always and stops

    Bogging down gsx250e after a mile always and stops

    I have been having an issue with my 1980 gsx250e.
    starts fine. within a mile it will start to misfire a bit like running out of petrol but
    more misfiring and then it will just stop. when it does this the dash lights are on but nothing else works, horn , start , lights ...
    I wait a few minutes and all works again bit it will bog down within 300 yards.

    - cleaned carbs
    - changed pet tap
    - no kinks in fuel line
    - removed inline fuel filter
    - coils check on bench OK, swapped anyway for ones that check OK too.
    - battery charged
    - battery test shows its charging when I start from cool. 3k revs 13.7 volts
    - is not the petrol
    - pickups check OK when tested. (not done when heating them up)
    - Stator test seems a bit low but same as my GS and that is fine. results in thread below)
    - Regulator/ rectifier tests on bench OK. (results I'm thread below )

    1980 GSX250E bogging down intermittently: I took my bike out today and it seems to bog down and splutter and go on one cylinder and can only get home with great difficulty revving it very high sometimes on one cylinder. This now is reliably what will happen if I ever take it out. It seems to happen even within a mile out. I



    just sorted loads of connections and it's done it again within 400 yards.

    - one new thing. when for first time I tests battery charge when hot - it showed 14.8v at 1.5k revs. this can be right ? RR at fault ?

    - also the RR Regulator seems to be very hot ?

    any ideas be so appreciated .
    Last edited by ukjules; 05-21-2022, 11:36 AM.
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