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  1. Replies
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    Ok. That is good for 2-3mph. I would still like...

    Ok. That is good for 2-3mph. I would still like to know his rpms.
    Thanks
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    I can spin a 12/17 to 8550 no problem and that is...

    I can spin a 12/17 to 8550 no problem and that is not getting me close to 60 mph.
    200 lb rider on an EX Sport. A Sport is 16 lbs lighter than a Deluxe. Guess i have a slow hull. All my speed runs...
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    NICE !! Dean makes great tunes. See if you can...

    NICE !! Dean makes great tunes.
    See if you can find out what RPM he was at 61. I Run a 12/17 sometimes.
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    If you like it, don't change it. I am a...

    If you like it, don't change it.
    I am a motorhead and will not leave anything alone. I am not smarter than the Yamaha engineers for sure, but I just like to see if I can get a little more out of an...
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    Pics of the EX and VX exhaust manifolds side by...

    Pics of the EX and VX exhaust manifolds side by side. Larger volutes with a collector box and huge stinger on the VX. I was hoping to gain more torque, but not...
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    I am still working thru my tunes. So far...

    I am still working thru my tunes. So far acceleration is better but not a huge top speed gain. I do impeller repitches along with different tunes and work methodically towards maximum gains so as not...
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    http://greenhulk.net/forums/attachment.php?attachm...

    http://greenhulk.net/forums/attachment.php?attachmentid=449480&stc=1http://greenhulk.net/forums/attachment.php?attachmentid=449481&stc=1http://greenhulk.net/forums/attachment.php?attachmentid=449482&s...
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    There are 5 bolts holding the pump on. And the...

    There are 5 bolts holding the pump on. And the silicone and guide pins make it a chore to get the pump broke loose. Take your time and try to pull the pump evenly out. A small pry bar may help but...
  9. I think that is the Shaun Compton Memorial race...

    I think that is the Shaun Compton Memorial race that weekend in Orange TX. Sherry and i will be there.
  10. Replies
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    Thank you yessir. I have looked up the models as...

    Thank you yessir. I have looked up the models as soon as the EXR parts came available for review.
    40mm on the spacer in the pump. The impellers are different according to Riva.
    And yes, it looks...
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    Thanks for the heads up on the grate and plate....

    Thanks for the heads up on the grate and plate. That would have saved me a few bucks had the exr come out earlier.
    So the grate fits both. Then im guessing the pump tunnel is the same in both. At...
  12. Yes there was a lot of damage there but the races...

    Yes there was a lot of damage there but the races were cancelled long before that. Events of that magnitude are scheduled a year in advance.
  13. If you are going to race a Spark, there is a race...

    If you are going to race a Spark, there is a race coming up in Nashville by Powerboat National that has a Spark only class. Plus they pay out cash.
    As far as beginner classes in PWX, you will find...
  14. We plan on going. Depends on conditios if i race...

    We plan on going. Depends on conditios if i race or not.
    Panama City was cancelled by Prowatercross this year due to $$ not worth it. It was moved to Daytona.
  15. Awesome catch and video as always. Thanks for...

    Awesome catch and video as always. Thanks for giving me some incentive to go out.
  16. Replies
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    i got a little bored so i made an O2 sensor...

    i got a little bored so i made an O2 sensor adapter to install inline in the EX exhaust.
    Data logging is in the near future to see how it is running. Then remaps. Still needing to repitch impeller...
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    we should be there Thurs afternoon in time to...

    we should be there Thurs afternoon in time to burn some gas.
    Chuck
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    FS Amazing stuff you see and read on the net. I...

    Amazing stuff you see and read on the net.
    I guess everyone has an opinion as i have mine.
    I owned a 94 XiR that i bought new in 94 from a dealer in Houston Tx for my son to race.
    No special...
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    The intake grate improves hook up in rough water...

    The intake grate improves hook up in rough water and helps to prevent cavitation. It does not “add” speed in smooth water.
    My EX is set up for racing with almost all of the mods available. Most...
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    The Riva plate does add more aggressive turning...

    The Riva plate does add more aggressive turning with no top speed loss. I tested speed back to back on same day and location with no speed loss on smooth water. If you dont ride choppy water often,...
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    https://m.facebook.com/story.php?story_fbid=134967...

    https://m.facebook.com/story.php?story_fbid=1349675251824237&id=1340138366111259&comment_id=1388148857976876&notif_t=comment_mention&notif_id=1550868023668772&ref=m_notif
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    More info can be found on FB at Hot Water Tour.

    More info can be found on FB at Hot Water Tour.
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    Orlando Closed Course March 2-3

    http://greenhulk.net/forums/attachment.php?attachmentid=445023&stc=1
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    Surgery or Exercise ?

    Spunkey Monkey White Russian curls followed by Corona toss downs at Gros’. No surgery needed.
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    Sherry and Chuck will be there

    Sherry and Chuck will be there
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