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  1. 1JZSupra

    Question 2017 RC390 Jumping out of 5th gear under hard acceleration?

    I'm guessing clutch plates might need to be replaced soon
  2. 1JZSupra

    RC390R Upgrades

    What are your thoughts on them? I have them as well. Do you notice any valve train noise after installing them?
  3. 1JZSupra

    RC390R Upgrades

    Did you do the install of the cams?
  4. 1JZSupra

    Crankcase breather questions

    I have an oil catch can on mine.
  5. 1JZSupra

    Crankcase breather questions

    You should not have that capped off. Does your air box not have the hose ports? Have a closer look.
  6. 1JZSupra

    Shift Shaft Support w/ Kickstand

    I love it. I also love the short shifter that it comes with. I've seen a few cases where the shift shaft was bent. I have personally had to replace the shift shaft seal which I suspect could have went bad due to the shift shaft. I'll send you a PM
  7. 1JZSupra

    Shift Shaft Support w/ Kickstand

    I can't speak for the RC390. I had to grind down my kick stand to get it fitted, but it was an easy job. I didn't have to do anything with my sensor.
  8. 1JZSupra

    Need Help Stock injector vs oversize injector with powertronic piggyback ecu

    How was it different? You might need a patch harness. one requires a patch harness to work correctly.
  9. 1JZSupra

    engine Oil's here onwards

    Commute mainly, but lots of full rips for sure. When I was commuting I was riding at 90 mph pretty much the entire time.
  10. 1JZSupra

    Need Help Shift shaft removal

    I would also consider changing out the seal on the shifter side. it might get banged up when you remove the shift shaft.
  11. 1JZSupra

    Need Help Bike shuts off at idle, and feels like it has two powerbands

    I was get the valve clearance checked if you haven't
  12. 1JZSupra

    Need Help Bike shuts off at idle, and feels like it has two powerbands

    The color looks good, but is the gap on that plug really small? It looks like it is in the photo. Did you have the valve clearance check completed? Did you start having issues AFTER have the clearance checked?
  13. 1JZSupra

    Need Help Bike shuts off at idle, and feels like it has two powerbands

    Take your spark plug, pull the ignition cable, and plug in the spark plug. Then rest the spark plug on something metal like the side of your bike. Then crank it over and see if you can see spark at the tip. Don't touch it as it could give you a little shock. Honestly, in my experience, it...
  14. 1JZSupra

    Need Help Bike shuts off at idle, and feels like it has two powerbands

    Did you test for spark like a lot of people suggested
  15. 1JZSupra

    engine Oil's here onwards

    I've been using motul 300v for 20,000 miles now. No issues here.
  16. 1JZSupra

    Turns Over but Won't Fire

    Oh, if you have a spare spark plug you could pull the ignition coil wire, insert the plug and rest the threaded portion on some metal to ground it. Then turn the engine over and see if you can see spark from the plug. Make sure your battery is strong.
  17. 1JZSupra

    Head Gasket Blown

    Agreed. The good thing is that there are two well known areas where these things blow which helps out a lot when looking. I also use dychem on my head so that I can see the low points as I was sanding it down.
  18. 1JZSupra

    Need Help Bike shuts off at idle, and feels like it has two powerbands

    The air box thing is just annoying. I replaced my entire ignition system with an MSD system.
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