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  1. #1

    Join Date
    Jun 2015
    Oshawa Ontario Canada

    Yamaha gpr ported

    Hello I'm new to the forum. I have a 2004 gpr 2 stroke ported triple pipe Waverunner it has been tuned and set up to do 82mph safely. The engine has 25 hrs on it since the work has been done. How many reliable hours should I be getting out of my engine? Also I'm located in Toronto Ontario canada and was wondering if when the engine fails that someone would be able to drop a SHO engine in my hull?
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  2. #2
    Are you still running the oil injection? If so, you should run a light amount of oil in your gas to supplement it since the oil injection doesn't compensate for the added fuel you're burning. That will extend your engine life.

    As far as actual engine life goes, it can vary wildly. I've seen skis with hundreds of hours on a stock top end and I've seen people burn them up really early. Even modified, I'd say you should be fine well into the triple digits on the hour meter if you take care of the machine.

  3. #3
    Prism's Avatar
    Join Date
    May 2007
    "New" Jersey
    Sure... we would have to work out the details but I could do it. Don't sell any old parts and we might be able to do it with little to no labor costs. (If that interests you) We would need to work on the 4 stroke parts situation though. 4tec or sho swap?

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