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Help Buying an FZR 250

Discussion in 'Yamaha 250cc In-Line 4's' started by Scottowner, Feb 22, 2022.

  1. Scottowner

    Scottowner Member

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    im looking at getting a 1989 model
    im not sure if it runs
    ill take fuel and battery with me I know carbs can be a problem are there any other non starting obvious problems than I can look at
    Ive been working on bikes for 50 years but these bikes are unknown to me
    any help would be great 271080116_4728544727214634_3114228271844191634_n.jpg
     
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  2. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Its a 2KR .... has the steel frame .... last year of that model was 1988
    Looks in good shape and complete even though photos can be deceiving
    Also looks to have been "restored"
    And yes carbys are the biggest hurdle but thats a given with FZRs

    If it wont or doesnt run just offer him half the price :D
     
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  3. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    Looks to be tidy enough - 2KR carbs are less problematic than 3LN1/3/5 carbs which wear the emulsion tubes badly - I cannot say for certain that 2KR carbs are not problematic, just that 3LN are a PITA

    Check the oil and coolant and see if it goes VROOM
    When NOT in gear and with the clutch out [engaged] the transmissions rattle [bag of spanners] it doesn't mean that it's going to self destruct - pulling in the clutch and clicking it into gear should quieten the noise somewhat
     
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  4. Scottowner

    Scottowner Member

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    ive contacted him he says he will start it when i get there so thats a start
    is mileage a problem
    i
    he told me its been repainted new tyres and battery
    i havent asked why he is selling it
    it comes with another bike mostly in bits the engine was running he says
    roll on tomorrow
     
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  5. Scottowner

    Scottowner Member

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    I picked up the bike today it's not a pretty as the photos
    But it starts and runs and revs !!
    It came with another bike in bits with a good running engine he said
    I'm going to need a few body bits but I'll go through it first

    20220225_173517.jpg 20220225_173521.jpg 20220225_173526.jpg 20220225_173529.jpg
     
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  6. Scottowner

    Scottowner Member

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    I fired the bike up today and apart from fuel leak it seems to run ok
    Fuel is coming from a vent?? between the two right hand carbs i,ve taken the airbox off when I rev it the slides go up so things there seem ok
    without asking the obvious question how do i stop the flooding
    The bike came with another engine and carbs so if needs be ill inspect them
     
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  7. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    I would guess the float is stuck (not shutting off the fuel when the bowl is full) , float needle rubber is rock hard (not sealing off the fuel flow) or the float assembly o ring is stuffed and leaking
    Im guessing also the vent its coming from is the float bowl vent

    Also if the bowls arnt being shut off when "full" then there may be fuel in a cylinder and possibly in the engine oil

    The initiation ritual of owning an FZR250 is pulling the carbys off and on 50 times
    Looks like your first is coming up :D

    fuel in cylinder.JPG
     
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  8. Scottowner

    Scottowner Member

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    My RG400 was easy to do the carbs that will teach me to sell things
    The spare carbs have at least 1 float bowl screw butchered beyond hope
    Iwanted a project looks like I got one
     
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  9. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  10. Scottowner

    Scottowner Member

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    Yes I've got some correct ones
    I just went to drain the float bowls and all the drain screws are facing inwards so they are on the wrong way !!
    There's a swap meeting on at Goulburn next weekend
    I might know by then if there's something I'm stuck for
     
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  11. Scottowner

    Scottowner Member

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    I just took the float bowls off and there's a bit missing it's a screw and fork that holds the float needle seat onto the body
    Looks like the seller was not as truthful as he seemed
    Good job a spare set of carbs are with it
     
  12. 2valve

    2valve Well-Known Member

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    The way of the world :minigun:.
     
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  13. Scottowner

    Scottowner Member

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    Oops it's a screw and washer holding the seat in
    I'll perhaps refit the carbs tomorrow & hopefully all works
    I can then decide whether to restore it
     
  14. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    Do yourself a favour and get a full kit for the carbie from Litetek ( message @maelstrom ) and read up on FZR carbies.... best to get yourself all new float valves as they may look ok but there is every chance they will leak causing flooding etc.
    You will learn all about FZRS and pay homage to the blood gods when you work on these things :)
     
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  15. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  16. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Oh hello there. Thanks for the plug guys. PayPal are closing down our Singapore based account and won't open one in Thailand unless we become a company limited. This is a country wide change it is not just us. A big pain in the arse. If you need something then order it quick :)
     
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  17. driftwood

    driftwood Well-Known Member

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    Start at the top - rust in tank. Check compression >100lbs. Valve stem seals harden easily with disuse, but I've recovered an eng with oil additive. Then get onto carbs - kits etc.
    Post hijack - does anyone have an email for Yamaha Japan? I need a build date (for club/classic rego)
     
  18. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    If your frame number is 3LN-340627 then its a 1992
     
  19. driftwood

    driftwood Well-Known Member

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    Cancel that, Aus website CustSvc replied
     
  20. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Good news, there is no change. PayPal are going to do nothing, but they might do something when they transfer our account from Singapore to the new, and thus far dysfunctional, Thai branch, so in the meantime everything just continues as normal. :)
     
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