Search

Type: Posts; User: Adam

Page 1 of 8 1 2 3 4

Search: Search took 0.02 seconds.

  1. An R&D grate will work well with an R&D plate ....

    An R&D grate will work well with an R&D plate . The ride plate controls the hull attitude when on the plane going fast . A nose up angle is faster , they usually have strakes that keep directional...
  2. Replies
    94
    Views
    9,657

    A better impeller will get you over 60mph

    A better impeller will get you over 60mph
  3. Replies
    2
    Views
    114

    Ok , the intermediate bearing is fine . If it was...

    Ok , the intermediate bearing is fine . If it was the problem the engine would still have the same problem. The pump liner is where you need to look , the liners are known for expanding due to...
  4. Replies
    1
    Views
    130

    JetSki Brothers YouTube channel.

    I have been watching the JetSki brothers YouTube channel for a while now , they have been trying really hard to get more people watching. Three Brothers who truly love their 2 strokes and have done...
  5. Replies
    2
    Views
    126

    That’s a big repair bill , effectively making the...

    That’s a big repair bill , effectively making the ski worth a fraction of a running unit . The market is flooded with GPR’s in the same condition, we are starting to see 4 strokes in the same market...
  6. Replies
    6
    Views
    222

    That oil will have preserved everything just...

    That oil will have preserved everything just nicely.
  7. Replies
    4
    Views
    169

    Okay totally different things. A GP1200 and...

    Okay totally different things. A GP1200 and XL1200 NON power valve have the same jetpumps . The GPR and XLT1200 have a part of the intake moulded into the hull .
  8. Replies
    4
    Views
    169

    Ok , the GP1200 65U engine is 120mm from centre...

    Ok , the GP1200 65U engine is 120mm from centre of crankshaft to the reed mounting surface. The manifold is 110mm wider again plus the carbs stick out another 15mm from the manifold. So 225mm from...
  9. Replies
    4
    Views
    169

    The GPR is a side draft manifold vs a 90 degree...

    The GPR is a side draft manifold vs a 90 degree manifold on a GP 65U engine . Are you limited by side clearance? I have both engines as spare engines, what measurement do you need ? The GPR Carbs...
  10. Replies
    42
    Views
    26,743

    Doubled up the anti siphon valves and it stopped...

    Doubled up the anti siphon valves and it stopped the dribble , now I’m having issues with it cutting out . Might have a bad battery.
  11. Replies
    17
    Views
    530

    72mph run

    72mph run
  12. Replies
    17
    Views
    530

    Let us know how the 05 joint pipe goes , I felt...

    Let us know how the 05 joint pipe goes , I felt mine pulls harder with it now .
  13. Replies
    2
    Views
    156

    The carbs are closer together on the GP1200 ,...

    The carbs are closer together on the GP1200 , won’t fit . The adapters will fit but you would need individual pod filters . Tau Ceti make good ones for the GP1200R .
  14. It won’t hurt your performance much but will give...

    It won’t hurt your performance much but will give better handling in rough water .
    A 99 GP1200 stock grate is a smaller opening and is faster than a bigger opening grate with the bars cut out .
  15. Replies
    2
    Views
    192

    Use a longer bolt , the OEM bolt is 7 mm too...

    Use a longer bolt , the OEM bolt is 7 mm too short in its engagement with the thread in the crankshaft. This can cause problems with it coming lose . Or breaking off the flywheel and crank snout ....
  16. Replies
    15
    Views
    687

    A pin that is slightly smaller in diameter to the...

    A pin that is slightly smaller in diameter to the piston pin and tap it gently while supporting the piston so no side load is transferred to the Conrod .
  17. Replies
    17
    Views
    530

    I see you still have a stock rideplate , an R&D...

    I see you still have a stock rideplate , an R&D plate is way faster .
  18. Replies
    15
    Views
    687

    The cause of this problem is twofold, one the...

    The cause of this problem is twofold, one the powervalves don’t open symmetrically because the plastic joiners flex and fatigue over time . This means the rear cylinder is running at full power try...
  19. Replies
    13
    Views
    457

    I run a 158mm 14 vane setback Skat trak pump ,...

    I run a 158mm 14 vane setback Skat trak pump , this transforms the ski like no other mod . It’s the most overwhelming change you can make to any ski , use the power you have more effectively and you...
  20. Replies
    5
    Views
    187

    The stinger rear section of the pipe goes down to...

    The stinger rear section of the pipe goes down to the rear of the engine and then connects to the water box via a rubber joint / sleeve . The water box is made of aluminium, round in section and...
  21. Replies
    13
    Views
    457

    Do you have upgraded power valve connectors too ?...

    Do you have upgraded power valve connectors too ? Waveater clips hold the pins in place on each valve . The OEM plastic power valve connectors flex and can break , they must all open exactly the same...
  22. Replies
    13
    Views
    457

    Are you using the stock plastic power valve...

    Are you using the stock plastic power valve joiners ? They flex and don’t open all the same costing power and rpms . The steel sleeves maybe mismatched in the ports reducing flow .
  23. Replies
    17
    Views
    530

    You could use the 85mm exit nozzle instead of the...

    You could use the 85mm exit nozzle instead of the 87mm for more speed before changing the impeller.
  24. Replies
    16
    Views
    858

    Do you know that using the 05 or later exhaust...

    Do you know that using the 05 or later exhaust pipe gains 10 hp on the GPR ? I have one on my GPR and it works . It’s called the “joint pipe “ on the Yamaha parts description. I got one off a...
  25. Replies
    2
    Views
    120

    Advent Ignitions No more

    Looks like Advent Ignitions are no more , just tried to go on their webpage and it diverts to generic ads .
Results 1 to 25 of 200
Page 1 of 8 1 2 3 4