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  1. rxrider

    Season 2013-2014 - rxrider -Maine, Norway

    Ride: 9 - Maine Ride 2014 - Day 5. Date: February 22. Sled: '14 Vector Start odo: 1352 kms or 840 miles Distance: 354 kms or 220 miles End odo: 1706 kms or 1060 miles Statistics: '14 Vector Start odo: 8 kms or 5 miles End odo: 1707 kms or 1060 miles Mileage...
  2. rxrider

    MCX 260 Apex hard starting??

    Makes Perfect sence, glad you found and fixed the problem :-)
  3. rxrider

    AFR at wot and cruise....NOW FIXED THANKS TO MEMBER INPUT

    The on and off thing makes me agree With mbarryracing on the possibility of an electrical issue. Another thought.... stuck float needle that comes and goes, flooding one cylider every now and then???? it's possible.
  4. rxrider

    Season 2013-2014 - rxrider -Maine, Norway

    Ride: 8 - Maine Ride 2014 - Day 4. Date: February 21. Sled: '14 Vector Start odo: 1030 kms or 640 miles Distance: 322 kms or 200 miles End odo: 1352 kms or 840 miles Statistics: '14 Vector Start odo: 8 kms or 5 miles End odo: 1352 kms or 840 miles Mileage...
  5. rxrider

    Boosted Nytro Ignition Issues

    That is what I'm doing With all my addon stuff. Meth Injection system. Innovate AFR system.
  6. rxrider

    Where's my boost hiding? (MPI S/C)

    It must have gone into the deep Ocean, much like the missing heat of what the CAGW scare mongers are telling us LOL Get it up to 8800 and Your boost will be about right. Keep the AFRs below 12.5 at WOT at 8800 RPMs.
  7. rxrider

    Clutch question

    Control RPMs in the primary. Softer initial primary spring or adjustable clutch weights. A multiangle helix lie 49-41 would work keeping the RPMs Down off the line.
  8. rxrider

    Boosted Nytro Ignition Issues

    Great to hear you got it fixed. As a general rule I recommend hooking up electrical equipment directly to the Battery. Connect a lead wire to the positive + battery pole. Install a fuse of appropiate AMPS on the lead. Use a lead wire of appropriate Dimensions for the Power supply...
  9. rxrider

    removing head shim lowering boost cam timing???

    That is Your problem, the gears have not been slotted to get the timing correct. Your exhaust has Advanced but Your intake came has been retarded. You're loosing a lot of response and HP With a retarded intake cam. You need to advance the intake cam to get the response and HP back.
  10. rxrider

    Supercharged Apex will not start!!! help

    How did you store Your sleds over the summer? Inside or outside? The exhaust and intake valves may have rusted and will not seal. Loosing compression. If it runs it will clean out after a while, the rust just wears off. It's possible.....
  11. rxrider

    MCX 260 Apex hard starting??

    Any AFR gauge? What Reading do you get at idle when it runs? Could be a valve shim out of position leaving one of the valves slightly open when Cold. A compression test would detect that.
  12. rxrider

    AFR at wot and cruise....NOW FIXED THANKS TO MEMBER INPUT

    ghost - what is Your fuel pressure. Should be around 4.5 at idle but between 4-5 is ok. If Your fuel pressure is Close, then work on the main jets. I ride at similar altitude, from 0-2000 ft. I run 127.5 mains. I'm lean on a Cold day below -10C, but OK from +5C to -10C. At -5 my AFR's are...
  13. rxrider

    New Personal Best for 2 Jannetty Turbo RX1s

    Great work Ted and Ted :-) The old RX-1 rocks, I'm still running mine. rxrider
  14. rxrider

    Think I blew the motor today !

    Please run the best pump fuel you can get. I would never run 91 octane no matter what as long as boosted, not even at low boost levels.
  15. rxrider

    Afr's

    Race fuel is often oxygenated. It Does burn more completely compared to the junk pump fuel sold in the USA.
  16. rxrider

    Exhaust leak and AFR

    Having a exhaust leak will cause air to be sucked into the exhaust system thru the leak. Resulting in more air in the gas passing the sensor, Reading leaner than it is. Fixing the leak and the extra air is now gone, sensor Reading richer. I don't think oil blown past the compressor into the...
  17. rxrider

    Losing Oil

    Blocked oil Return hose? Defective turbo With bearings shot? Did you find the problem?
  18. rxrider

    pressure thrue crankcase ventilation

    You did a leak Down test I assume. You have to position the piston of the cylinder you are intending to measure at the TDC - top dead center. Then repeat that on the NeXT cylinder, and so on. Done this way, ideally no valves will be open when testing. Using a stetoscope to listen to the...
  19. rxrider

    Season 2013-2014 - rxrider -Maine, Norway

    Ride: 7 - Maine Ride 2014 - Day 3. Date: February 20. Sled: '14 Vector Start odo: 653 kms or 406 miles Distance: 377 kms or 234 miles End odo: 1030 kms or 640 miles Statistics: '14 Vector Start odo: 8 kms or 5 miles End odo: 1030 kms or 640 miles Mileage: 1022...


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