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  1. JC-SuperJet

    Flipping couches for fun and profit

    Could also be BTOL: Beach Take Off & Landing. Might of clogged the cooling system launching from real shallow water. I've seen people rev the engine hard, sucking the ski down into the mud... Myself, I commend you for standing behind your sale.
  2. JC-SuperJet

    Flipping couches for fun and profit

    Is this the same Engine design that has Oil Ports that leak air at the Rear Seal? Did you plug it?
  3. JC-SuperJet

    Jetmaniac 718

    If you look at the Mikuni Pocket Tuner, the Pilot(small) Jet stays the same and the Main(big) Jet is -5 smaller. So if you have a 117.5 Main Jet, you need a 112.5. Then fine tune as needed with the Low and High Speed Screws.
  4. JC-SuperJet

    Superjet Bogs

    Could be that the Flywheel Magnets were damaged during the Flywheel machining/lightening process. This could explain low and intermittent Spark Energy power caused by a faulty Magneto. You can pull electrical measurements from the Stator Wire Connectors to verify adequate voltage generation or...
  5. JC-SuperJet

    Anyone seen this before?

    "worked on Aquajets , Wetjets , Sea breezee's , SOS tideriders , Thunderjets , Polaris , Yamaha's , Honda Aquatrax's , Kawasaki's, Seadoos , Jet N Cats , Jet N Sprays , wetbikes , Boston Whalers , Seadoo and Yamaha jet boats" Some reason, reminded of this: :p...
  6. JC-SuperJet

    Advent T3 CDI - w/ D21 Freestyle Curve Set - SOLD

    Curve Set D14 might include Curve # 40...
  7. JC-SuperJet

    What causes this on cylinder walls?

    Looks like Rust to me. Leaking Cylinder Head O-Rings?
  8. JC-SuperJet

    See Mister Ho Remanufacture a Shot Piston and Rev the Engine to the Max!

    Hey WFO! 'Splain the Mold-making and release Process...Are you this advanced? :p
  9. JC-SuperJet

    See Mister Ho Remanufacture a Shot Piston and Rev the Engine to the Max!

    And tacks with no Gloves or Face Shield :oops:
  10. JC-SuperJet

    Mikuni Pilot jet pocket tuner?

    Going the wrong way on the Screws. There is LESS Oxygen at Altitude, so you need LESS Fuel...
  11. JC-SuperJet

    Mikuni Pilot jet pocket tuner?

    Probably can just turn in the Low Speed Screws...
  12. JC-SuperJet

    Tachometer for SJ4

    https://www.atlanticjetsports.com/products/oppama-pet-2100dxr-tachometer
  13. JC-SuperJet

    Vomiting Carbs

    "You can also cut your own valves out of a thicker fuel resistant plastic." That is Mister Ho's method. Give credit where credit is due...
  14. JC-SuperJet

    Flipping couches for fun and profit

    Please track and post ALL your actual Hours and Costs. And lets see what the Net Profit is when sold...
  15. JC-SuperJet

    Case porting?

    A Friend's 750 X2 had the Rear Spark Plug Porcelain cracking every time he rode. Never the Front one. Both Cylinders even Compression. No Air Leaks. Until he noticed that a stream of Water from one of the Top Deck openings was splashing on it. He sealed the opening, problem solved. May have...
  16. JC-SuperJet

    Case porting?

    "an engine to fall on its face around 6000 rpm once it’s hot?" Assuming the Rev Limiter is set right and the Temp Sensor is not causing this, then: If you can't tune this out, I would test the Coils ( Ignition, Charging, etc). Stator Coils with Layer Shorts usually start malfunctioning once...
  17. JC-SuperJet

    Mixing Gas

    At the end of the Day, there will always be Water left in the Waterbox. Purging is mainly to eliminate Water that may back flow into the Exhaust Ports. The Humidty or Water Vapor condensing around the Engine Internals, once the Engine cools, will not cause Rust to form due to the Oil Film in...
  18. JC-SuperJet

    Zeeltronic PDCIS A02T CDI Kawasaki wiring?

    The Photo with the Ground circled in Yellow: that Ground represents the Spark Plugs... I'm guessing it also depends on your Kawasaki Ignition System. The Zeeltronic USUALLY only works on the OEM DC type Ignition Systems, meaning the Spark Energy normally comes straight from the BATTERY to the...
  19. JC-SuperJet

    03 Gp 800r cylinders/Nikasil plating

    SBT has them in Stock! :p
  20. JC-SuperJet

    Bad Check Valve SBN44?

    What he said!
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