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  1. Mastermax

    Freestyle ET1107cc Tuning Thread

    At 7k elevation you loose close to 30 psi compression.
  2. Mastermax

    Freestyle ET1107cc Tuning Thread

    I'm looking for domes to increase compression. No luck yet.
  3. Mastermax

    Freestyle ET1107cc Tuning Thread

    I have recently built an ET1107 running PFP wet, zeeltronic TL, dual mikuni 46s, 150 psi compression on an aggressive curve provided by @Jcary85 . 155 OEM pump in a carbon superfreak. I started as directed by Art before he passed away for: 130 pilot 120 main 17 psi all at 7k foot elevation. I...
  4. Mastermax

    1 gal, firewall mounted freestyle gas tank

    Bump - Price update $100 shipped
  5. Mastermax

    144 Solas Supra 14/19

    Bump - Price update $75 shipped.
  6. Mastermax

    DIY Total loss or MSD TL upgrade box 270USD?

    Thank you!
  7. Mastermax

    DIY Total loss or MSD TL upgrade box 270USD?

    I think I found it: I think I found it: 18 until 1400 34 from 1400 - 6000 21 at 7000 15 at 8700 56 degree static? 30 delay compensation?
  8. Mastermax

    DIY Total loss or MSD TL upgrade box 270USD?

    I recently upgraded from a Yamaha 787 to a ET 1107 running dual 46's on pump. Anyone have a good starting curve for the ET 1107 running the A02T zeeltroic module? I'm currently running total loss on an antigravity bat.
  9. Mastermax

    144 Solas Supra 14/19

    Beautiful 144 Solas Supra 14/19 used for 1 season. Stamp shows YB-SC-C. $75 OBO shipped to lower 48.
  10. Mastermax

    1 gal, firewall mounted freestyle gas tank

    1 gallon capacity tank. Mounts to the firewall above the drive shaft. Has 2 outputs and 2 returns. No leaks, clean on the insides. Used for a few seasons. $135 OBO shipped to lower 48.
  11. Mastermax

    ET 1107 Single Cooling

    Can an ET 1107 be ran with single cooling? Does the motor produce enough heat to NEED dual cooling from two separate lines from the pump or can I use 1 in line from the pump and split that? Sorry for the stupid question!
  12. Mastermax

    Finger throttles,

    I'll take the KVPI throttle
  13. Mastermax

    Purchased - Please delete - intake manifold with Vforce2 reeds.

    Purchased from JetManiac. Please close out this thread.
  14. Mastermax

    Purchased - Please delete - intake manifold with Vforce2 reeds.

    WTB - intake manifold with Vforce2 reeds for ET1107. Shipping to AZ 86004.
  15. Mastermax

    Upcoming 1107cc Part out

    I tried to buy this. I guess he kept the motor :(
  16. Mastermax

    Upcoming 1107cc Part out

    Did you sell the motor and carbs yet?
  17. Mastermax

    DIY Total loss or MSD TL upgrade box 270USD?

    I had the same when I first installed mine. Did the same test you did and was able to get spark when I hit the "test" button in the software. That lead me to the pickup just like wax said. I found the wiring for the pickup had a small short in it. I replaced the wiring to the pick up from the...
  18. Mastermax

    XS1000 SOLD!

    How much for the full spec 49s?
  19. Mastermax

    Starter positive cable top nut?

    Hey All, Does anyone happen to know what this nut size and pitch is on a oem yamaha starter? I managed to lose mine during a build and can't seem to locate the details on this little guy.
  20. Mastermax

    DIY Total loss or MSD TL upgrade box 270USD?

    What battery would you fellas recommended for this TL setup?
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