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  1. Replies
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    Re: Zeeltronic with 750/800 ignition.

    If (+) only is selected it always uses the leading edge for timing and estimates how long it has to wait (in time) after it detects the leading edge to spark. If there is variation in the rpm within...
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    11
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    497

    Re: Zeeltronic with 750/800 ignition.

    Wait what?

    The trailing edge is at like 12 or 15 ish and if you use "+ and -" it uses the trailing edge for timing at any rpm lower than your lowest programed point. (so basically it will start...
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    14,330

    Re: Yet another square nose build

    I would love to see more details of that motor if you're willing to share.
  4. Replies
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    7,306

    Re: Addendum to the Mikuni SBN Tuning Manual

    I've heard the thing about using the smallest seat on the needle and seat as possible before. What is the reason for that?
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    374

    Re: Wanted: Yamaha ADA 42cc domes

    Bump still looking.
  6. Replies
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    374

    Re: Wanted: Yamaha ADA 42cc domes

    Big Sam, your PM inbox is full so I can't reply to your messages.

    If you are not a scammer, please delete some messages so I can keep messaging you.
  7. Replies
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    374

    Re: Wanted: Yamaha ADA 42cc domes

    Yes I'm aware they can be purchased new was hoping to find them used to save money.

    Not a lot of people using the 42's so maybe somebody has some sitting on a shelf that they don't want.
  8. Replies
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    1,147

    Re: Jpumpyscott-new member, scammer

    Obvious scammer, just replied to my wanted ad.

    How is he not banned yet?
  9. Replies
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    374

    Wanted: Yamaha ADA 42cc domes

    Looking for a pair of 42cc ADA domes for Yamaha 760.
  10. Replies
    10
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    466

    Re: Wanted: No stamp or "A" 750 cylinder head

    I don't have anything to trade sorry.
  11. Replies
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    466

    Re: Wanted: No stamp or "A" 750 cylinder head

    okay thanks for the update anyway.
  12. Replies
    10
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    466

    Re: Wanted: No stamp or "A" 750 cylinder head

    I'm not a computer genius, but I'm pretty sure anybody can sign up to an account with any name they choose so your no scammer claim isn't especially convincing. Are you associated with Watcon? Like I...
  13. Replies
    10
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    466

    Re: Wanted: No stamp or "A" 750 cylinder head

    Still looking.
  14. Replies
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    466

    Wanted: No stamp or "A" 750 cylinder head

    Looking for a no stamp or "A" cylinder head, basically looking for the lowest compression biggest dome stock head.

    Want one in good shape, no chewed up domes from eating a bearing or detonating.
  15. Replies
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    Re: Electric Jet Skis, they're coming

    The major downside is that there is no good way to "fill the tank" on an electric vehicle unless you have access to a really high current charger. Unlikely on a lake anytime soon.

    Any vehicle...
  16. Replies
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    7,306

    Re: Addendum to the Mikuni SBN Tuning Manual

    I'm not looking at the manual I'm looking at the diagram and the physical carb, the high speed jet and the high speed screw can not physically do different things because they are connecting the same...
  17. Replies
    87
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    7,306

    Re: Addendum to the Mikuni SBN Tuning Manual

    One small critique, I would take issue with the separation of high speed jet and high speed screw. They are two parallel paths from the same place to the same place. Not seeing how they can have...
  18. Replies
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    7,042

    Re: Forums versus Facebook

    THIS!!! This is so spot on it drives me crazy. Forums are SO much superior to Facebook for information because of the archiving aspect of it. You can go back and look at old posts and find all kinds...
  19. Re: Check valve or no check valve in BN 44 carb?

    I'm familiar with Tillotson, Walbro, and early Mikuni snowmobile carbs, and they all have a check valve on that circuit, although sometimes it's in the form of a ball style check valve rather than...
  20. Replies
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    Re: Dual 46 settings

    If I were you I'd be starting with popoff in the low 20's and 125 low 125 high.

    But, I've never put them on a kawasaki motor, I've put them on two different Yamaha motors and and also from...
  21. Replies
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    2,481

    Re: Crankshaft repair

    HE said he was going to find a shop and do what the shop said to do, isn't that listening to the advice?
  22. Replies
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    3,614

    Re: Mikuni TMX triple?

    It's definitely true that spilled fuel is more likely with the float carbs, ruin ther vents up outside of the hull and they won't dump fuel in the bilge, but if you tip the ski upside down it will...
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    3,614

    Re: Mikuni TMX triple?

    800 twins are common and they vibrate more than triples, and 1200 triples are not unheard of. You have a point about vibration just above idle though, with the cvt snowmobile motors basically never...
  24. Replies
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    Re: Mikuni TMX triple?

    I don't understand why a pwc motor would shake more than a snowmobile motor. Snowmobiles typically run higher rpms, but the motors are very similar and in some instances share parts. I also don't see...
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    3,614

    Re: Mikuni TMX triple?

    Sleds use external fuel pump and small float needle/ seat sizes.
  26. Replies
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    3,614

    Re: Mikuni TMX triple?

    Snowmobiles run float carbs in rubber mounted triples, seem to too okay. The snowmobile motors are oriented differently relative to cornering forces, not sure if that matters, but they get...
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    Re: limited b pipes

    https://www.youtube.com/watch?v=WGjf3ZPOpwg&t=118s&ab_channel=FactoryPipe

    Most of the stuff in this video is recognizable as Polaris or Indian oem parts, I did catch a glimpse of a b pipe header...
  28. Re: Waterboxes: Do they create noise or performance?

    Yes exactly that, go to the Ripper episode and the Goatcher 2 episode plays.

    The whole thing worked though I clicked and ended up listening to a few of them, cool podcast.
  29. Re: Waterboxes: Do they create noise or performance?

    Looks like they have the Harry Goatcher part two doubled up over the Larry Ripper pod.
  30. Replies
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    Re: Mikuni SBN Hi Speed circuit question

    I'm doubtful of pretty much all of this.

    opening the throttle blade reduces the air velocity, if anything it will reduce signal. This is the reason why big carbs are harder to keep tuned than...
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    Re: Dual Walbros on a 550?

    The empty hole with the H is where they sometimes put the high speed screw on other models of Walbro carb, so it's nothing on yours. The fuel in is on the bottom of the square pump stack capped off...
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    Re: Dual Walbros on a 550?

    I've never run a Walbro on a watercraft but I am one of the wierdos who runs one on a vintage snowmobile (and even among vintage snowmobile people Walbros are considered throw away and replace with a...
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    Re: What are these tubbie things?

    Did it have a Walbro?
  34. Replies
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    Re: What are these tubbie things?

    Basically when walbro carbs and points ignition went away the whole world went wrong.
  35. Replies
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    Re: Mikuni SBN Hi Speed circuit question

    The carb does not care if you have a smaller high jet with the screw further out or larger high jet with screw further in, if the total fuel flow is the same it makes no difference. Most people shoot...
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    Re: Kawasaki 300SX Questions???

    440 impeller fits, I would say it's about the same level of difficulty as any other impeller change, comparable to a 650 because there is a lot of silicon to clean and re-apply which is not a lot of...
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    Re: Tnt performance pipes vs all fraud copies

    My speculation, they probably didn't make any money.

    I think it's harder to make any money selling this sort of thing than people think it is.

    Pure speculation on my part though.
  38. Replies
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    Re: My X-2 Gen2 build

    Email him back and ask if he accidently added an extra zero.

    The last three I bought were PDCIS-02T, 160 EU each for the "Kawasaki" version that came with a pigtail and 175 for Yamaha version...
  39. Replies
    297
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    49,298

    Re: My X-2 Gen2 build

    A zeeltronic is definitely nowhere near $2000. Somewhere between 200 and 300 dollars straight from Borut depending on exchange rate to euros or if you buy it from one of the us sellers they'll tack a...
  40. Re: New Aftermarket X2 Expansion Chamber that uses stock headpipe

    From the sound of it they might not even have a functioning tachometer!
  41. Re: kawi 650 / 750 exhaust manifold / downpipe??

    I don't know what you're up to but you have my attention, please post pics of the project.
  42. Replies
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    Wanted: half girdle superjet pro-tec

    Looking for a half girdle, the type that adds a girdle to a stock head.

    Pro Tec made them, I'm not sure if anybody else did (I think maybe GroupK made them after Pro Tec stopped?)
  43. Replies
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    Re: My X-2 Gen2 build

    Another way to say it is that those mechanical avance things that move the pickup are a way to fool the stock ignition so it has more advance. You don't need to fool the zeeltronic because you can...
  44. Replies
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    49,298

    Re: My X-2 Gen2 build

    You can program the zeeltronic to have whatever timing curve you want, there is no point in using one of those things that advances the timing by moving the pickup because that would just change the...
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    Re: Dual 44's on a 650sx

    I want to hear how it goes.

    I think 44's will be great, but I'm weird...and I haven't actually tried it, so I could be completely wrong and blissfully ignorant.

    Some day I'm going to try dual...
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