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  1. M

    225 No power under load

    My 93 225 TXRR has been sitting for about 18 months. The engine ran perfect up until the day I thought I would do some preventative maintenance. The head gaskets were swelling and after seeing a friend spent $1,500 on a rebuilt power head (water intrusion = blown piston) I thought I would be...
  2. M

    225 Yamaha Compression test results

    I have a 93 225, ran a compression test while engine was cold, all plugs out. (Sorry don't have the cyclender #'s handy)<br /><br />Resultes were><br />Bottom Left - 125 Rest of the Left side 130<br />Top Right - 125 Rest of the right side 130<br /><br />Is it supposed to be like this? <br...
  3. M

    Compression Test on 93 225 TXRR

    I'm at the point that I have the power head fully assembled and I wanted to run a compression test before attempting to start the motor.. I read through the service manual I have (clymer) and saw no reference to compression readings. Anyone know what I should hope to have? Will it be...
  4. M

    225 Yamaha - Heads, Inner exhaust (with pic's)

    This is actually a follow up to a previous post where I was replacing head gaskets, thermostats, etc.. Before moving forward I wanted to get some advice on the following:<br />1) While cleaning the heads up last night I noticed (on one of them) on the very bottom, in between two bottom bolts...
  5. M

    Follow up questions on: Yamaha 225 assembly questions

    To make a long story short, I was starting to get what looked to be leakage on my head gaskets on the two lower cylinders on my 93 225. Upon trying to remove the heads for inspection I broke several (5) head bolts off in the process. I have them out, have ran chasers through the bolt holes to...
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