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  1. #1

    165 Or 170 Hp Stock Gp1300r

    i have seen on many yamaha document that the 04 gp1300r have 165 hp , and since the 05 170hp .

    what is the difference on the engine which make the 5 more hp ?
    how to get bak this power on the 04 ?
    thanks


  2. #2
    Moderated
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    i recall someone saying it might be the exhaust but hydrotherapy recently tested this as a mod to an early model gpr and he got no gains , you can check his post in the projects area or drop him a pm if you want more info as i may be incorrect.

    if you want more power you could always go work on her with reeeds, head etc..

  3. #3
    Chrisrokc's Avatar
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    They went from a PV motor to a non PV motor. In the process the compression of the motor was slightly bumped in the later models and the turn off the exhaust manifold was changed.

  4. #4
    so if i understand , all 1300 pv are 165 and all 1300 non pv are 170 ?

  5. #5
    Hydrotherapy's Avatar
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    Quote Originally Posted by gzk View Post
    so if i understand , all 1300 pv are 165 and all 1300 non pv are 170 ?
    if stock then yes correct

  6. #6
    ok thanks
    in use do you feel a difference ?

  7. #7
    Chrisrokc's Avatar
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    I think it is all preference really. The PV can be quicker than the non PV. Stock for Stock though in a race it wouldn't make a difference.

  8. #8
    African-American
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    according to R&D..

    if you have a 03 GP1300R

    NOTE: For a full ten plus horsepower gain across the entire RPM range with an incredible boost in low end acceleration and performance, update the 03-04 GP1300R with the 2005 GP 1300R header pipe section and R&D Exhaust Power Sleeve! More horsepower with reduced detonation! The 2005 Yamaha GP1300R O.E.M. header pipe section is part # 60T-14712-10-94. The R&D 2005 Yamaha GP1300R Exhaust Power Sleeve is part # 332-13000.
    Anyone want to give me the part to test, ill pay postage

  9. #9
    Hydrotherapy's Avatar
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    Quote Originally Posted by spaceman View Post
    according to R&D..

    if you have a 03 GP1300R



    Anyone want to give me the part to test, ill pay postage

    i have fully tested a non pv and pv ring joints(exhaust) on both my 05's swapping out each time and recording a point to point speed as well as a top speed along with rpm's
    i could not find any performace diffrence within my records but feel if the ring joint swap out was going to be seen as a gain it was so small a acc data recorder was needed..

    just my findings on my skis...all ski's are diffrent so give it a try

  10. #10
    Quote Originally Posted by spaceman View Post
    according to R&D..

    if you have a 03 GP1300R



    Anyone want to give me the part to test, ill pay postage
    There have been a few guys test that sleeve with zippo for results, save your money.

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