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  1. M

    CV740 loses power under load

    Only evidence I saw of it blown was black soot under the exhaust port where the head and block mate up. I just did them both and moved on. One thing that puzzles me is the coil on the left side of the engine. They say to install the coils with the wire terminal up but on that side the plug wire...
  2. M

    CV740 loses power under load

    Not sure if it has a tip over switch or not but haven't thought about it possibly being the seat switch either.
  3. M

    CV740 loses power under load

    Cub Cadet L60 Tank.
  4. M

    CV740 loses power under load

    Cub Cadet L60 Tank.
  5. M

    CV740 loses power under load

    Reading back through this thread at the advice and a little research led me to pulling the heads off. Both appeared to have blown gaskets and both heads were a little bit warped under the exhaust valve. Also found the wire going to the oil sensor between the cylinders had been chafed. Fixed...
  6. M

    CV740 loses power under load

    So this problem is still ongoing. I've cut grass with it several times this season and it seems to get worse each time I cut it. I've pulled both plug wires one at a time and you know well that something is wrong when I remove one. The engine runs fine at wide open throttle with or without the...
  7. M

    Kohler engine not getting gas to engine

    I have that same engine except for mine was once fuel injected. I couldn't get a pump like yours to run to save my life so I just put a small electric pump on it. Even with the electric pump I've never seen my filter full. I've tried everything I know and it's just not interested in filling the...
  8. M

    CV740 loses power under load

    Decided to pull the intake off last night and noticed the bolts on the right side weren't tight. Not sure how loose they were but I noticed that the 1/4" impact driver didn't hit at all when removing them. It just spun them out. Maybe it was pulling air in right there. Pulled the left valve...
  9. M

    CV740 loses power under load

    Ran a compression test on both cylinders yesterday and both are at 150#. I haven't witnessed any knocking or backfiring but when I pulled the plugs, the left cylinder plug is extremely black. Looks like fuel is puddled up in the intake as well. I'm going to pull the valve covers today and see if...
  10. M

    CV740 loses power under load

    Well, I've had both valve covers off and everything in there looked fine. I've seen these bend push rods before and then it just snowballs from there. This thing runs too good at idle and some load for it to be anything major I think. I'm going to do a compression test on it today when I get...
  11. M

    CV740 loses power under load

    Hey guys, new here. I have a mower that I put together a few years ago and haven't had any issues with it until recently. It one day just started to lose power when I hit a patch of thicker grass. I initially thought it was the fuel pump as I fought that issue when I put the engine on the mower...
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