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Type: Posts; User: grantuk

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  1. Replies
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    RXP - RXPX pump differences

    Hi,

    can anyone tell me the difference between the 215 pump and the 255 pumps please?

    Does the RXPX pump have more veins?
  2. Replies
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    Igni Power - maps

    Another long shot I know but can anyone assist with a base map for a 155hp 4tec using the old igni power stand alone ECU?
  3. WTB - Parts WTB - Old Igni Power ECU Stand Alone - NOT RR ECU

    Hi All,

    A long shot I know but I am after the above if anyone still has one knocking around for the old Siemans ecus.

    PM me.

    Thanks
  4. Replies
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    WTB - Parts WTB - Old Igni Power ECU - Siemans

    Hi All,

    A long shot I know but I am after the above if anyone still has one knocking around.

    PM me.

    Thanks
  5. Replies
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    The pump cone and bellow stabiliser aren't legal...

    The pump cone and bellow stabiliser aren't legal for GP4 for a start.
  6. Replies
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    The 14/15 PTO are sweat onto the crank. You can...

    The 14/15 PTO are sweat onto the crank. You can heat them up and press them off relatively easily. I have a video of this being done that I uploaded to Facebook.

    Jetshed in the uk make replacement...
  7. Replies
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    You can remove the PTO on a 14/15 crank and sweat...

    You can remove the PTO on a 14/15 crank and sweat a new one on.

    Add me on Facebook and I will show you how: Grant Packham
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    Stock Spark 90hp should do 50-51mph at...

    Stock Spark 90hp should do 50-51mph at 8000-8100rpm.

    It will vary depending on your air temp and elevation.

    A reflash and a 12/14 will see 53-55mph at 8500ish rpm.
  9. Replies
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    Get the crank checked for true based on that rod...

    Get the crank checked for true based on that rod bend...
  10. Replies
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    1,173

    You can replace the PTO on a 14/15 crank, the PTO...

    You can replace the PTO on a 14/15 crank, the PTO can be pressed off. I have a video of this being done.

    Also, the 900 ace pistons used in the snowmobile are higher compression than used in the...
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    Retainers are allowed in stock class for 2018 :-)

    Retainers are allowed in stock class for 2018 :-)
  12. Is the factory flame arrestor still in place?

    Is the factory flame arrestor still in place?
  13. Replies
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    View Post

    Itís been done
  14. Thread: 2018 line up

    by grantuk
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    I wish. I think they're missing a trick with...

    I wish.

    I think they're missing a trick with the stand-up market.
    They have the engine and pump and could easily make a plastic hull.
    They would sell like hot cakes at 5-6K....
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    Removing the flame arrestor is a 3hp gain on the...

    Removing the flame arrestor is a 3hp gain on the dyno, but not legal for IJSBA Rec-Lites racing
  16. I take it these aren't legal for Aqua X?

    I take it these aren't legal for Aqua X?
  17. Replies
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    interesting thanks. any progress pics?

    interesting thanks.

    any progress pics?
  18. Replies
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    Can you give a bit more detail on this please...

    Can you give a bit more detail on this please Brian,

    From IJSBA rulebook:

    5.3 SPORT DIVISION
    5.3.1 The Sport Division includes PWC which are designed for one or more people and have a seat. ...
  19. Yamaha VXR for IJSBA Normally Asprirated Stock class....

    Hi All,

    I see that Tyler Hill won NA Stock class at the WF with a 2016 VXR with a Deans Team reflash etc.

    Can anyone tell me what sort of speed you can expect from an IJSBA NA Stock legal VXR? ...
  20. Thread: MaptunerX

    by grantuk
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    600

    WTB - Parts Still looking....

    Still looking....
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    Have you seen this? ...

    Have you seen this?

    http://www.pwctoday.com/showthread.php?t=380570
  22. Thread: MaptunerX

    by grantuk
    Replies
    1
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    600

    WTB - Parts MaptunerX

    Anyone have a used one with cables that they want to sell?
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    If they do, in the current hull, I will buy one

    If they do, in the current hull, I will buy one
  24. In theory if you swap the pins round in the...

    In theory if you swap the pins round in the plug, however the Spark throttle body is 12mm smaller than the RXTX
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    Unless you skim the head its a waste of time...

    Unless you skim the head its a waste of time fitting a new gasket. The heads are good enough for stock boost out of the factory but no good for higher boost.

    Some racers skim them flat before...
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