RX 75 Problems

Discussion in 'Mechanic and Repair' started by sandking, Jun 6, 2012.

  1. sandking

    sandking LawnSite Member
    Posts: 3

    I went to start my RX75 this year and it would not turn over, put in new battery, safety switches and the motor turns over but will not start. I rebuilt the carburetor and installed new plug, it back fires every now and then when trying to start but still will not start. Any ideas what is wrong. Anyone know where I can get a technical manual?
     
  2. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024

    How about posting ALL the engine numbers so we can see what you've got....
     
  3. sandking

    sandking LawnSite Member
    Posts: 3

    It has a 9HP Kawasaki Engine
     
  4. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024


    The above sounds like carbon build-up on the head/piston dried up while sitting, Then popped loose when trying to start it and got under the exhaust valve keeping it from seating properly.


    A cylinder leak-down test would verify or eliminate this being the issue....
     

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