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Help Vincent’s FZR 250 not starting...

Discussion in 'Yamaha 250cc In-Line 4's' started by Vincent, Jul 11, 2018.

  1. Vincent

    Vincent Member

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    Hello my name is Vincent,I am new to this forum and a new owner of a 1986 Yamaha FZR 250 with exup.
    I am also having trouble getting my bike to start. I turn on ignition and the exup servo does not cycle and the fuel pump no longer makes its usual click sound when the kill switch is set to run.
    When start button pushed , the starter spins but bike will not start. I have checked all that has been suggested on this site. I am going to do a compression test . Any other suggestions would be gratefully appreciated . Thank you kindly
     
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  2. kiffsta

    kiffsta Administrator Staff Member Dirty Wheel Club Contributing Member

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    Have you checked your fuses ? A compression test is a good idea to know the state of your engine , but if your exup is not cycling and your fuel pump is not priming then I would suggest there is an electrical gremlin you need to find
     
  3. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Welcome to the forum.
    Check the fuse's, and all the connection's in the main harness, you might have a dirty connection
     
  4. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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  5. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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    Yea take a good look at all the connections / plugs and wiring for damage , corrosion .... make sure the connectors are plugged in correctly and clean ... spray them with Inox or something similar....... especially on the CDI ..... and check the earth wires are doing their job.


    2kr.jpg inox.jpg
     
  6. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    First thought is check the battery. If it's low or flat it will struggle to cycle the exup.
     
  7. Vincent

    Vincent Member

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    Thank you everyone for the quick response. I did a compression test. All good. I plan to go from front to back and check all grounds and clean all contacts. Found three fuses, all good . Will post if successful.
    Cheers
    Vincent
     
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  8. Vincent

    Vincent Member

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    I checked battery . It’s fully charged. Left it overnight on charger and also used auto battery to back up. Nothing .
     
  9. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Check that you have power at the Exup and the coils. If not then trace back from there.
     
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  10. Vincent

    Vincent Member

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    I checked power to exup servo ,good. Took back of servo off and tested continuity good. But small brass pinion gear does not engage plastic gears when connected to power . Going to take to bench and see what’s up.
    I suspect the exup servo was toast before I bought it. Coils are good
    Ordered CDI from England and found exup servo in Australia. Looks like next spring to hit the twisties
    Thanks everyone
     
  11. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Your FZR250 must be an 88 model then if it has EXUP
    What make's you think the TCI is faulty ?
     
  12. Vincent

    Vincent Member

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    EC3001F8-9F2E-4E46-879C-59AAA0D0C572.jpeg
    Hello
    The Fzr 250 is registered as a 1986. I am just assuming that the cdi is at fault since the exup servo is not working and no spark . Just finished checking coils. Good
     
  13. risky

    risky risky

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    2kr and if exup was only made for 3 months back then.
     
  14. Vincent

    Vincent Member

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    Yes it’s the 2kR. It was imported to Canada from japan by original owner.
    Was running great with no issues until a day ago when it would not start. Have gas tank off now and checking fuel pump, filter and all wiring that was under gas tank. Stumped
     
  15. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Unless I am mistaken it is a 3HX1.
     
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  16. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Double check the year/model against this chart below, the last 6 digit's will tell you for sure
    The steel framed bike's are usually still referred to as a 2KR even if it's a 3HX

    Have you checked if there is 12v to one side of the coil's when the ignition is tuned on, (key and killswitch), and the side stand up, in neutral

    [​IMG]
     
  17. Vincent

    Vincent Member

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    Hi this sticker is on the frame.

    Wish it was , there seems to be more parts available for later Fzr vs the early bikes.
     
  18. risky

    risky risky

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    murdo, notice any copper thrust washers when you did my motor?
     
  19. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Looks like this to me. Maybe I missed something.
    Yamaha_FZR250_3HX1_White_Small.jpg
    and the 3HX is not a 3LN series. It is a 2KR with Exup
     
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  20. Vincent

    Vincent Member

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    thats my bike, the sticker on frame in Japanese with 2kR
    That’s good information regarding the 3HX, especially when looking for parts . I have a manual but it’s in Japanese unfortunately
     

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