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Recent content by jayj123

  1. J

    When to Replace Manifolds?

    Had a mechanic tell me I needed new manifolds/Risers since it's been more than six years. I use an IR gun to check the temps on all the exhaust components every couple of times I run the boat. All temps are consistent and match with the water temp gauge at about 140 to 160. No hot spots...
  2. J

    270 hp not reaching high RPMs

    I have twin 270 hp (remans with ~400 hrs) and one will not come up to top end RPMs. Goes to ~2400, then no more, engine sounds fine and seems to throttle up, just no RPMS. Suspected fuel issues and found water/crud in the fuel water seperator (never used ethanol). Had tank cleaned and have...
  3. J

    Velvet Drive Issue - Shaft turns in Neutral

    I have a 10-17-008 Velet Drive 71C 1.91:1 (LH) that was installed last year, bought remanufactured. Replaced cooler and hoses also. Everything seemed fine with it until I had the transmission replaced on the other engine this year. I compared temps (with IR gun) earlier this year when the new...
  4. J

    Port Engine Cutting out

    I have 1985 model 270 Crusaders. The problem is at 2800 rpms, the port engine cuts out and drops to about 22 - 2300 and runs rough. This appears to be the point where the secondaries begin to open. Once I throttle back a little I can get back to 2800. The engine ran fine up to 3400 rpm the last...
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