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  1. #1

    Join Date
    May 2012
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    England South East
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    GP1300R Newbie in UK

    HI all
    just recently bought a 2006 gp1300r and its already got some bits fitted

    14/20 solas dynafly
    Riva Free Flow Pipe
    Riva Pump Seal Kit

    Not sure if the cat has been removed and D Plate fitted , the ski has 122 hours and the compression is 125 on all 3 cylinders
    i have got but needs to be fitted

    R&D Powershot Adjustable Fuel Tuner
    R&D Trim Tabs
    Riva Power Filter
    Worx Intake Grate

    I ride in the North Sea , its not very nice but its local

    Been looking for part number for VFORCE 3 KIT
    WHATS NEXT??????
    Last edited by 1300gpr06; 06-13-2012 at 11:54 AM. Reason: update


  2. #2

    Join Date
    May 2012
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    England South East
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    Cant make my mind up as to what to do
    Riva High Comp Heads
    R&D High Comp Heads
    Machine Stock Head for 150psi

  3. #3
    Almost's Avatar
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    May 2010
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    Cape May, NJ
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    Look for a used 3 degree nozzle from a XLT. Your hook up and ride will be much better in the rough.

  4. #4
    novice duudu's Avatar
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    May 2007
    Location
    Constanta, Romania, Romania
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    98
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    5
    You won`t find a part number for a vforce 3 kit . They`re "custom" made. Somebody does an aluminium plate and fits 3 snowmobile cages in there .
    I went for stock heads machined to 155 psi and it runs great !
    I`ll take a look and see if I can remember my mods for rough water but you will find almost any info you want already posted by somebody on this forum at a moment in time . (remember the gpr isn`t produced anymore, it`s old) .
    The stock plate works great for rough water.
    What do you want ? More power ? More speed ?

  5. #5
    Moderated
    Join Date
    Oct 2006
    Posts
    3,711
    Quote Originally Posted by 1300gpr06 View Post
    HI all
    just recently bought a 2006 gp1300r and its already got some bits fitted

    14/20 solas dynafly
    Riva Free Flow Pipe
    Riva Pump Seal Kit

    Not sure if the cat has been removed and D Plate fitted , the ski has 122 hours and the compression is 125 on all 3 cylinders
    i have got but needs to be fitted

    R&D Powershot Adjustable Fuel Tuner
    R&D Trim Tabs
    Riva Power Filter
    Worx Intake Grate

    I ride in the North Sea , its not very nice but its local

    Been looking for part number for VFORCE 3 KIT
    WHATS NEXT??????
    Cut you stock head for 155psi
    reinforce your pump tunnel ( a must) and upgrade shoe and grate hardware
    pull the pump seal kit if you can and make sure its done right, sealing the shoe is correctly is very important for speed reasons.
    get a 3rd party tach for tuning and a gps
    install 3 degree keyway
    install premix kit
    remove stock air filter cover
    install 1200 water box
    install vf3 reeds with lowells gaskets
    repitch prop to 14/22.5 ( send it to impros)
    leave you stock ride plate on, it will be best in the rough or if you have the cash get a shred master plate.

    that setup above with what you already have will get you into the mid to high 70's and rock and roll off shore.

    you will need to run 98 rated fuel though as its required once you advance the timing and up the compression, thats also why you need the fuel controller.

    hope this helps and good luck

  6. #6
    Waveruiner pauladave's Avatar
    Join Date
    Mar 2007
    Location
    Clayton le Woods, North West England,UK.
    Posts
    409
    I'm not 100% sure with the later Yammi 2 strokes, but the earlier ones (pre- 2003) didn't need the Cat fitted for European use, and had the D plate as standard. I use the Worx grate on my XL1200Ltd and it made a massive difference to hook-up. The pump seal kit is also a must, but you've already got that fitted. Check the impellor clearance in the pump housing if it's been used in the sea as it can wear very quickly if it's been beached with the engine running a lot. The aftermarket impellor is great, but not if the pump housing is worn. Welcome to G/H btw!

  7. #7
    Mongoose's Avatar
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    Wales
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    Worx grate is one of the best for rough water hook up, but you won't get much more than 70 with it, as it tends to overstuff past that speed.
    14/20 youve got is a bit too steep a prop for your mods-you may be dragging the rpm's down too much-check with a aftermarket tach-I like to see 7200.
    2003 and newer gpr's(U.S and European and export) all have a cat con, so you may or may not have a d-plate. Carl at Island racing does a v-force kit.
    Other than tha-what Izzo says.
    122 hours-your in the territory of a ring spin-with a big bill-for the sake of £400 ish, id freshen the top end with new pistons/rings, and be good for another 100+ hours.
    N&C jetski (Brian) on the Wirral has a good deal on Pro-x kits for the gpr-I would only use oem or pro-x.
    BTW-welcome, and enjoy one of the best skis ever made!

  8. #8

    Join Date
    May 2012
    Location
    England South East
    Posts
    3
    thanks for the info guys
    ive now stepped the stock sponsons and fitted the Worx Intake Grate and R&D Trim Tabs and that has sorted out the ride and ive ordered a machined head 150 psi from OSIDEBILL , just waiting for the postman

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