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  1. sfab

    New batch of SharkFab head

    Hi everyone, We will release a new Superjet head kit for 2010. The design will be much simplier, no more fancy fins and it will be held by studs instead of the 2 parts bolts kit. They will be offered in clear anodized and black color. It will still be compatible with the ADA domes. If you have...
  2. sfab

    Billet Start/Stop switch with tach, need your inputs

    Ive been designing a cheapo tach for my SJ for almost a year (on and off) and came up with the idea of making a start stop switch with an integrated tach. This include the start/stop buttons and a function button to monitor the RPM vs elapsing time to estimate the fuel consumption with an...
  3. sfab

    new billet throttle lever: who's interested?

    ive just finished a small batch just to see if people will be interested. They are machined from 6061 aluminum bar stock, the lever pivot pin is in brass with a teflon liner to reduced friction. All the bolts are in stainless. They will be anodized in 3 color, black, blue and natural. Price will...
  4. sfab

    Help!! my engine kills plugs like a MF!!!

    ive built a 61x-61x bigbore this winter with a set of 48mm dan lamey carbs and B-pipe. I thought it was nicely tuned (120L, 145H, 2.5N silver spring) but after about 2-3 tanks, the ski loose power at high RPM (1/2 throttle & +). ive checked the plugs and they were dark a bit but not wet. I just...
  5. sfab

    Barrel rolls attemps without footholds/straps?

    I just dont have the time this summer to put footholds on my SJ and i really want to practice them. Waste of time or could it be feasible? thanks!
  6. sfab

    maximum piston diameter on a stock 68mm stroke?

    i got a few questions for the knowledgeable guys on this site. ive already built a 61x bigbore and found it has amazing low end punch with nice all around power as well. i like to experiment a bit and was thinking about maximum pistons diameter that can go on a stock 68mm SJ stroke. i know...
  7. sfab

    freshly rebuilt engine is hotter on one side (pics)

    heres the deal, ive built a 61x bigbore on 61x case, bored it to 85mm. ive put everything back together and start it up to chk if everything is working as planned. chk with the caompression gauge and got 165-160lbs. went on the lake to do the break-in. after idling the motor for 5 min, ive uped...
  8. sfab

    dual 48mm carbs on a 61x?

    just as the title state, is it useless, dangerous or it can works? i know i should get some 62T cases but for right now itll be the X. ive ported mine pretty nicely, matched everything. the top end is 61X BB 771cc with 38cc dome (180psi). since i want something with arms ripping low end and may...
  9. sfab

    Ok, need your feedback about www.pistons-online.com ...

    damn, they do not take customer services seriously. ive only got one email from them asking for more money for shipping, send them the needed funds and 8 days later, no reply, no confirmation and no answers. ive sent 3 emails asking for an order confirmation but havent heard from them since...
  10. sfab

    The Making of a 781cc Beast

    Hi folks! First, id like to introduce my self to you. My name is Jonathan, i live in canada (...) im pretty new to the PWC scene but ive been into the world of mecanics and electronics since im 8. Ive build some nice projects over the years, including go-karts, go-peds, cars, ect... blah blah...
  11. sfab

    DIY 760 Big bore on a 61x preparation...

    hi folks, ive did a couples of search on the subject but im still a bit confused. what i want is to put 760 stock sleeve into a 61x cylinder (have access to a machine shop, been a machinist help :biggthumpup: ). i thought all ill have to do is to bore the cylinder casting to the size of the 760...
  12. sfab

    ignition problem: intermittent spark

    i have a superjet 95 (stock ignition) and it only spark for a couple of turn and then stop. sometime the engine will start but only for like 5-10sec max. it was running smooth 3 days ago and now its workin like a POS. im pissed could it be the CDI???
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