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  1. WFO Speedracer

    300sx part deux

    looking at the couplers they are misaligned up and down about 1/4"and the bolt holes on the bottom of the engine bedplate don't quite line up , something seems a bit off, I know why it's off but the question is which one of you guys can tell me why. Now make no mistake I am going to press the...
  2. WFO Speedracer

    Carb Theory & Practice

    All of those 1200 NPV Yamahas came with ridiculously lean pilot settings. you could crank on them for days before they would start, Yamaha knew about this and didn't care , it passed the emissions check so it's good to go right ? Nope wrong, bad wrong, I have fixed numerous 1200's by...
  3. WFO Speedracer

    MY Square nose Superjet build

    So the turf is now done and boy did it come out looking sweet ! Just kidding , what that actually is a protective pad I made for working on my skis, you can lay your tools on it and not have to worry about staining your turf, also useful if you have to climb under the ski to remove something...
  4. WFO Speedracer

    300sx part deux

    So I have enough Blacktip black diamond pattern to returf this ski, this would match the diamond plate on the handlepole, hell I may even paint it black again, I would be really stretching really thin but I could probably piece it together and returf the rails, or I go with plan B and leave...
  5. WFO Speedracer

    Super Jet Steering cable bellows-boot

    I pulled the trigger on the PRO COMP boots , if they don't work on either ski I have a motorcycle they will work on, I got the tip about using the auto shock boots on motorcycles off of Dotheton,com
  6. WFO Speedracer

    Super Jet Steering cable bellows-boot

    Sure I am looking at these as a possibility on the 300SX https://www.ebay.com/itm/112827469835 https://www.procompusa.com/product-skus/pro-comp-poly-vinyl-shock-boot-teal-12114/
  7. WFO Speedracer

    Super Jet Steering cable bellows-boot

    What is everyone using for replacement steering cable boots- bellows, I knw with all the aftermarket hulls floating around there has to be an option besides OEM parts. I need several one for the Superjet, two for the 300SX
  8. WFO Speedracer

    Carb Theory & Practice

    Luckily most of the skis I work on are stock, as I get older my motivation to work on everyone else mistakes is less and less. If I am working on modified stuff it is probably mine and I am the one who modded it.
  9. WFO Speedracer

    MY Square nose Superjet build

    I knew somewhere I had a like new KVPI throttle after robbing that one I finally found it today, it didn't help that I thought it was black so I was looking for a black throttle and this one is silver lol. I have had just about ever different brand of finger throttle from Hot Products to UMI...
  10. WFO Speedracer

    Carb Theory & Practice

    Really the only way to make an I body carb good is to do the Jetworks mod on it, that's a pretty extensive mod from a stock emissions carb standpoint.
  11. WFO Speedracer

    Carb Theory & Practice

    Yep I body carbs are some of the worst to modify, it is also one of the main causes of failure on 720 Seadoo engines running a Factory pipe, everyone wants to blame top end seizures on the pipe, it's the carbs actually causing the problems. In the case of the 650SX you have so many people with...
  12. WFO Speedracer

    Carb Theory & Practice

    Exactly designed for emissions not performance , this is why most skis will run much better with a Mikuni aftermarket carb than a stock Mikuni carb, the circuitry on the aftermarket carb is not hindered by emissions laws. They also put accel pumps on a lot of the I bodies to be able to lean it...
  13. WFO Speedracer

    Carb Theory & Practice

    I can answer some of it, it has to do with restriction, the more restriction you have the higher the popoff needs to be, so small carbs with OEM intakes and flame arrestors high restriction , high popoff pressure, so now you bolt on a low restriction flame arrestor and it no longer runs right ...
  14. WFO Speedracer

    300sx part deux

    The more I look at this turf the more I just can't let it ride, Back when I was fresh out of AMI working at the Honda-Yamaha dealership the Service manager told me something I will never forget He Said ( I doesn't cost any more to go first class) meaning do it once, do it right and be done with...
  15. WFO Speedracer

    300sx part deux

    I painted this ski with Kirker Spectra series candy urethane and clearcoat back in 2010, actually it held up fairly well but it really wasn't meant for something like this and years of Alabama sun have checked and blistered the paint, usually that's a bad thing, in this case however its a good...
  16. WFO Speedracer

    MY Square nose Superjet build

    Occasionally on my build threads you will see me pass a long a few tidbits of info I have learned over the years, you may agree, disagree , like it or not like it, I will keep doing so however. A couple of things going on in this photo, you will notice I always have some kind of paper on top...
  17. WFO Speedracer

    Coffman manifold f/ 1994 Kawasaki 750

    Yep I am running a couple of the old Coffman sizzler pipes, they were excellent pipes for sure.
  18. WFO Speedracer

    300sx cooling lines

    I didn't take any pics when I refoamed my hull but a lot of people did, Goggle 300sx bulid site www.pwctoday.com and all the builds on there will pop up, that way you can get a sense of where all the stock cooling lines are at and figure out where you can drill a hole for a new line., some...
  19. WFO Speedracer

    Coffman manifold f/ 1994 Kawasaki 750

    Seadoos were bad about breaking off exhaust studs on the 587, 657 and early 720 engines, my tig guy would just cut the whole corner off with a saw and rebuild the corner then drill and tap the hole, worked like a charm. I rebuilt one corner of a APE 720 pipe on a customer ski with a spool gun...
  20. WFO Speedracer

    300sx part deux

    Pulled this off the trailer today prepping it to ride on my birthday next month, I may ride ugly but I will ride.. Luckily when I pulled the engine to put into the X2 I left all the one off parts and pieces in the hull, an engine and a throttle cable should get her running again, some love with...
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