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  1. #1
    Newbie
    Posts
    1

    Suzuki JR50 how to start?

    Ok, don't laugh but a friend's kid just bought this old jr bike off ebay and it is a piece. That said he is 11 and we are trying to figure this thing out.I am a car guy and not a bike guy so......here goes..... I see the oil tank on the side and it seems to fill down into the crankcase then there is tube coming out the bottom of the "carburetor" that looks to need a hose and is now leaking oil. Also a tube coming out the top of crankcase .....oil injector? but is not attached to anything. Any ideas would help Thanks,

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  3. #2
    Kickstand Operator
    My Bike(s)
    05 Busa-GSX1300R
    Location
    Lake Murray South Carolina
    Posts
    265
    Well, guess you could always "Push" start it .
    Chris

  4. #3
    Lost but forgotten

    My Bike(s)
    2012 Ninja 1000 ABS, 2002 Bandit 1200 S, 2002 Honda XR50R, 1992 Honda CR125R
    Location
    St. Cloud, MN, USA
    Posts
    20,861
    It's a four-stroke, so there's no oil injector. The line off the carb might just be a vent that's seeping some sludge, or you're looking at the bowl drain.
    'Busa shock, Racetech forks, Holeshot stage 1 & pipe, Hella headlights, CBRXX clipons, Givi E360 & V46, Zumo 550, Pilot Road 2CTs | Symtec grip heat
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  5. #4
    Newbie
    Posts
    8

    NOT 43 Stroke!!!

    Quote Originally Posted by RowdyRed94 View Post
    It's a four-stroke, so there's no oil injector. The line off the carb might just be a vent that's seeping some sludge, or you're looking at the bowl drain.
    NOT a 4 stroke!!! JR50 is a 2 stroke!!!

    Oil injected 2cycle, the tank under the seat is for the 2stroke oil. There is a pump and metering system in the right side caseing that feeds the oil to the intake tract in the cylinder, it does not hook to the carb.
    Last edited by Dale.E; 10-18-2007 at 06:04 PM. Reason: typo

  6. #5
    Lost but forgotten

    My Bike(s)
    2012 Ninja 1000 ABS, 2002 Bandit 1200 S, 2002 Honda XR50R, 1992 Honda CR125R
    Location
    St. Cloud, MN, USA
    Posts
    20,861
    My mistake. Thanks for the correction. Are the modern 50s all fours?
    'Busa shock, Racetech forks, Holeshot stage 1 & pipe, Hella headlights, CBRXX clipons, Givi E360 & V46, Zumo 550, Pilot Road 2CTs | Symtec grip heat
    Arai Signet GTR | Joe Rocket Meteor boots, Alter Ego pants, jacket
    | Gerbings liner | Alpinestars SP-1 gloves | Hanes boxer-briefs
    Gems for motorcyclists

  7. #6
    Clunked into first gear
    My Bike(s)
    2000 yz125 race prepped
    Location
    bentonville, arkansas, us
    Posts
    230
    except for the yamaha pw50 and an assortment of KTMs and other peewee racers (cobra, LEM, ect.), yes

  8. #7
    Newbie
    Posts
    8

    2 or 4 stroke

    Quote Originally Posted by RowdyRed94 View Post
    My mistake. Thanks for the correction. Are the modern 50s all fours?

    Most of the new 50's you see are based on the Honda Z50 engine, you know all the China clone's etc.

    but the JR50 has always been the same bike, they almost never changed anything except body work that is. The same piston is used on a 1978 JR50 as on a 2006 Jr50! Might be noted that the Kawi KDX50 uses the same piston as well


 

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