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    differences between 03-04 gp1300 and 05-08 gp1300

    differences between 03-04 gp1300 and 05-08 gp1300, i am a sea doo rxp guy that just crossed over to the yamaha side. i just got a super clean 2005 gp1300 with 40 hours. i am just looking at start modding and buying stuff. also what is a powervalve and what does it do? what years have it and what dont?

    thanks teddy


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    Quote Originally Posted by TDSTYG View Post
    differences between 03-04 gp1300 and 05-08 gp1300, i am a sea doo rxp guy that just crossed over to the yamaha side. i just got a super clean 2005 gp1300 with 40 hours. i am just looking at start modding and buying stuff. also what is a powervalve and what does it do? what years have it and what dont?

    thanks teddy
    03-04 are powervalve motors and 05-08 are not. The powervalve closes to help with low end power, the non-power valve motor has different port timing to compensate for low end. Most all parts will fit any 1300.

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