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  1. #1
    WATER WOODY's Avatar
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    Arrow Yamaha gpr 2 stroke speed database

    Im going to make a speed chart for the 2 stroke GPR's. This was done in the conversion section. If you want to join, i need a list of your mods and best speeds. Reference the conversion speed database sticky. This includes triple pipes also. I will start the chart in order of the highest speeds first and will update it as new pm's come in. Please include your screenname , year of ski etc....i dont want to be editing every list so help me out. Please try and keep it to pm's, i want to keep this thread clean. Thanks
    I will stick the thread when i get some customers...


  2. #2
    WATER WOODY's Avatar
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    YudLuz2-90.8 mph
    2000 Triple pipe 3mm stroker crank with 90mm pistons, Ben Herman porting, Custom B.H. Advent curve, Custom cut Riva Head, 155 psi across the board, True 48mm BlackJack carbs, SpeedWorks manifold, VF 3 reeds, 85mm nozzle, 15/26 prop at 7900 rpms, stock 800 grate, no tabs, B.H pump shoe mod, All my ski's run a Tweaked Jim's FF plate with angle at 1.10 plus

    YudLuz2-90.2 mph
    2000 GPR Single pipe 5mm stroker crank and 87mm pistons, ported Ben's motor, 190 psi across the board, custom advent curve, 33 degrees of timing at 1500rpms, 1390 cut Riva head, squish at 28 thous, cold pipe water induction, triple reverse cooling, 48mm BlackJack carbs and VF3 reeds, stock Yamaha D plate, Large Port Side Yamaha prop 18.5/27 thur 87mm nozzle at 7400 rpms, SS 800 grate, 1200 waterbox, Riva Blue FF tube

    bigrob-89.9 mph
    89.9mph, siezed 3 different times could not break 90mph.
    2000 lowell ported 1460, 90mm pistons, custom cut Riva heads, 135psi, 141psi,145psi, Yam Boat prop, 7950rpm, riva modified plate, cut riva tabs,VF2, 48mm Blackjacks, Advent, 85mm 6 degree nozzle, modified 800 grate, and Factory triples, 1200 waterbox

    YudLuz2-89.6 mph
    2000 Single pipe special Factory Yamaha racing lightweight 4mm stroker crank built by Crank Works, 87 mm Ben's ported cylinders, custom cut pistons, stock cut 1390 head set 30 thous squish, raised cylinder setup for stroker, 175 psi, custom B.H. Advent curve, cold water pipe induction, JetWorks C plate small one, 48mm BlackJacks, VF3 reeds, 17.5/24 jet boat prop using 86.3 bored from a 85mm nozzle at 7550 rpms, 89.6 mph , SS 800, same motor in drag racing setup with 14/24 Dynafly at 7870 rpms and 85mm nozzle 87.1 mph, motor will spin between 8000 and 8100 rpms with small Dynafly prop with a single stock oem pipe.

    Ronn25-89.3 mph
    '06 1390cc Tripple Kerry Ported 160psi, VF2, 14/24 8000rpm 89.3mph R&D tabs, Riva 1300 Plate 48mm blackjacks, custom MSD, 87mm nozzle


    Peteshauling-88 mph
    00 GPR tripples, advent, novi carbs, V-3 reeds, 1390, 88 @ 8000 rpms

    WOODY-85.9 mph @ 4100'
    2001' Triple piped 1500 Lowell ported 88mm, 4mm stroke, VF3, 800 grate, RAD TL wheel, R&D heads, Jetworks, FF plate, R&D tabs, bored nozzle, 18/22 VX, Novi's,Leo's holeshot, locked down no high speed setup, lots more!!!!

    Rossnemo-85.1 mph
    1390 non power valve single pipe. 43mm Sonic Boom throttle bodies, 145 Psi, .035 squish, vf3s, Leos Wedge and holeshot kit, Jims plate, stainless 800 grate, 1200 waterbox, blue FF tube, custom cut 210 boat impeller, 87 nozzle. 85.1 @ 7300 rpms

    WOODY 83.7 mph 4100'
    2006' 1512 ported 89mm, triple piped,3mm stroke, basic setup as the 1390. Still tuning.....

    icedog10-83.5mph
    07 GP1300R, 1300 EFI single pipe, Tim Judge ported, 93 octane, VFIIIs, Riva heads, 4deg keyway, Riva controller, Jetworks, FF exh, Riva F/A, Jim's ride plate, R&D cut tabs, R&D sponsons, 14/24 VX, 800 grate 83.5mph @ 7450,With 30hps NOS Kit! Ski now has One 30 hp NOS and a second 60 hp NOS. No speed on both kit's Yet!

    WFO-82.6 mph
    04 GP1300R, 1300 EFI single pipe, Tim Judge ported, 93 octane, Riva gas valves, VFIIIs, R&D heads, 4deg keyway, Riva controller, Jetworks, FF exh, Riva F/A, WFO mod R&D ride plate, R&D cut tabs, R&D sponsons, 14/25 Dynafly, 800 grate 82.6mph @ 7220

    icedog10-82.6 mph
    04 GP1390R, 1390 EFI single pipe, Lowell ported, 93 octane, Stock Gas Valves VFIIIs, Riva heads, 4deg keyway, Riva controller, Jetworks, FF exh, Riva F/A, Jim Ride plate, cut tabs, Stock sponsons, 14/25 Dynafly, 1200 grate 82.6mph @ 7400 RPM. 10 gallons of Gas ran on new motor, very rich, I need more Prop! It will go 85+ no NOS.

    Altezza01 - 81.7 mph '07 West Coast Ported Single Pipe GP1300R, VF3's, Lowell head, 4 degree keyway, Riva EFI controller, FF plate, R&D 800 grate, Impros 14/23 Dynafly, 85mm nozzle, jetworks, Riva FF, gutted OEM airbox, no tabs

    Mik72e-81.3 mph
    05 GP1300R 81.3mph Lowell ported injected VF3 3 degree timing key 155psi comp Ross s 43 TBs 800 grate Jims FF plate .980 OEM Tabs .120 85mm nozzle with a IMPROS 14/25 fastest single pipe in Australia

    pistonwash 80.9 mph
    '07 single pipe efi 80.9mph
    Woody/Lowell porting, OEM 165 lb head, Ross Nemo throttle bodes, RIVA efi controller, Jetworks mod, all the air mods, 800 grate, 14/24 Dynafly, modified D-plate, '03 waterbox, Rius reeds and cages, modified trim tabs. Jim's FF 1200 rideplate..other stuff from WFO.


    WOODY-80.8 mph @ 4100'
    2006' single piped 1390, VF3, R&D heads, 3* key, 800 grate, R&D tabs, FF plate, Jetworks, Leo's holeshot, WC PORTING, R&D controller, 14/23 DF, 86.30 nozzle, locked down no high speed setup, lots more!!!!

    icedog10-80.6mph
    2002 Lowell ported 1300, stock carbs, VF3, FF, Jim's Ride plate , 800 grate, Yam94 curve, 14/23 prop. Best speed of [email protected] 7250 rpm, Motor out for Rebuild By WFO and Custom WFO Nitrous System. All out Baby! Maybe a customer 4 stoke NOS,Non SC Motor soon.

    Fullboogie-80.5 mph
    Fullboogie - 2002 Lowell ported 1300, stock carbs, VF3, Dplate, FF, old-style R&D plate uncut, SS grate, Yam94 curve, 15-24 prop. Best speed of 80.5 Recent rebuild is untuned, no speeds yet.

    Peteshauling-80.1 mph
    1500 single, V-3 reeds, stock carbs, re-worked, R&D CDI back to back testing 80.1 @7020 rpms

    WFO-79.7 mph
    04 GP1300R, 1300 EFI single pipe, non-ported, Riva heads, 7deg keyway, Prototype VFIIIs, Riva controller, Jetworks, FF exh, R&D F/A, Jims FF plate, R&D cut tabs, stock sponsons, 14/24 Dynafly, R&D 800 grate 79.7mph @ 7260

    Inkaddict -79.5 mph
    2006 West Coast Ported GP1300r, Vf3's, Lowell Head, FF plate, Leo's wedge, Jim pitch 14/24, R&D 1200 grate, stock tabs, 85mm nozzle 79.5 mph @ 7180 rpms

    Ronn25-78.3 mph
    '01 1200 non ported, 78.3mph at 6750rpm Boat prop, 87mm nozzle, 48mm blackjacks, 150psi, VF2, 5 degree key, protec ignition, Shimmed stock tabs, FF Plate And getting FASTER

    Ronn25-77.8 mph
    '06 1300 EFI single non ported 77.8mph at 7200rpm in mudbug heat, 14/22, 160psi, 3 degree, VF3, Riva 1300 Plate, Shimmed stock tabs, 85mm nozzle

    smacota1 77.1 @ 7090 RPM.....'04 1390GK, fixed valve, Riva 150# Heads, stock TB (open), Your old R&D Powershot EFI Controller, stock key way, Fercho jetworks mod, 158MM SS Riva Ring and 13/22 DF Prop from Tommy Jordan, IR M4 plate, SS 800 grate.

    OsideBill-77.1 MPH
    [email protected] 7170 Rpms 01 W/ bored 1300 rec ported motor.
    J/FF plate .98", Modded 800 grate, Sealed shoe, 85mm nozzle, stepped sponsons, .060" shimmed trim tabs, reinforced tunnel, Riva Gas Valves, Advent 94 curve, Lowell head 150 PSI .040" Squish, 14/23 DF Tommy Jordan pitched, Modded OsideBill stock Carbs w/Proks, Riva Blue FF tube, Jetworks mod.

    abe 76.8 mphRiva 1200 Grate, D-plate/chip, 150psi Milled OEM head, WC Porting, Ross Nemo 43mm TBs, HO Pump, 14/24 DF, Jims Plate, Blue Pipe, Jetworks Mod, Leo's Holeshot Kit, VF3s, Riva EFI, 3 Degree Keyway, PPK, not tuned yet,locked down sitting on the seat.


    RX951 - 76.7mph
    7300 rpm, 2000 GP1200R, Unported 1200cc, stock CDI, 89 octane, VF3, 14/21.5 Dynafly, 85mm nozzle, 1.12 rideplate angle, trim tabs to the hull, GP800R intake grate, ole skool RIVA ride plate, 150psi R&D heads, R&D Extended steering nozzle, Amsoil Interceptor 40:1 premix, Jetworks O-Plate, NGK side gapped plugs, plastic pump liner, all bolt holes filled, 46mm Buckshot Carbs

    OsideBill-73.5 mph
    02 Stock 1200
    J-plate, stepped sponsons, shimmed tabs, 800 grate, 14/22 DF Impros, Pro-tec nozzle, VF-III's, Pro-Tec cut head 150 PSI, Riva Gas Valves, OsideBill modded stock carbs w/prok F/A's, Advent 84 curve, Jetworks mod, Riva Blue FF Tube.

    AndyGPR-72.7 mph
    2008 GP1300R
    2009 set-up: Milled OEM head, VF3`s, R&D Race FA, Riva FF, D-Plate, IR holeshot mod, Riva EFI controller 5, 6, 1.5, 6. Premix 40:1 Amsoil Interceptor.
    Hull set-up: IR R&D modded plate set @ .850, OEM metal tabs shimmed.060, Worx intake grate, Stock stepped sponsons, PPK, OEM plastic steering nozzle, OEM 85mm venturi exit nozzle, Riva Drop Lever nozzle set-up -trim neutral. Max Speed: 72.7 (1/3 tank fuel, 200# rider) Max RPM variance: High 7280+ Low7200, impeller: T&B`d IR 14\20 DF
    Last edited by WATER WOODY; 12-12-2010 at 01:26 PM.

  3. #3
    All hail the Chief! fullboogie's Avatar
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    PM sent.

  4. #4
    Hey Poser, PM sent! yes I know I`m slow...

  5. #5
    WATER WOODY's Avatar
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    ttt

  6. #6
    Happily Self-Employed WFO's Avatar
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    are we doing current running projects, or just any project we have built in the past?

  7. #7
    WATER WOODY's Avatar
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    Anything Rich, has to be personal boats.

  8. #8
    WATER WOODY's Avatar
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    ttt

  9. #9
    Moderator RX951's Avatar
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    RX951 - 76.7mph, 7300 rpm, 2000 GP1200R, Unported 1200cc, stock CDI, 89 octane, VF3, 14/21.5 Dynafly, 85mm nozzle, 1.12 rideplate angle, trim tabs to the hull, GP800R intake grate, ole skool RIVA ride plate, 150psi R&D heads, R&D Extended steering nozzle, Amsoil Interceptor 40:1 premix, Jetworks O-Plate, NGK side gapped plugs, plastic pump liner, all bolt holes filled

  10. #10
    Moderator RX951's Avatar
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    Exclamation

    oh, I forgot to add 46mm Buckshot Carbs, Woody, can you please edit

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