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  1. #1
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    Slipping during start

    Greetings again!

    My current issue is something is up with either the starter or...?

    Actually everything in the starter itself works well but when I go to start it, sometimes the engine pops (in a good way when everything is grabbing right) but sometimes I can hear the starter turning but none of that good popping. I'll try to get a quick vid up but any ideas?
    VIDEO HERE

    The silver flywheel? Just out of the tranny spins with the good pops but not when there are none.
    Last edited by Shandley; 09-19-2012 at 08:42 PM.

  2. #2
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    Your one way bearing is slipping on the shaft. Take it out and clean it and see if it helps. If not its time for a new one way bearing.

  3. #3
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    Cleaning worked great! Thanks!

  4. #4
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    Spoke too soon. After ten minutes of running, it slips again. I take off the starter and I see everything is coated in oil. I'll post this in a new one.
    Last edited by Shandley; 09-20-2012 at 07:56 PM.

  5. #5
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    Ok, so the mods don't like that I posted about the new (similar) problem in a new post so if you can think of reasons why oil would leak onto the starter, starter shaft, and one way bearing , let me know here please.

    EDIT:

    I turn the engine off by pinching the fuel line and letting the fuel burn off.
    I have my high speed needle out 4 turns (which way is lean and which is rich?)
    Last edited by Shandley; 09-20-2012 at 08:52 PM.

  6. #6
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    Stock settings i see. Is your lsn flush with the ring around it? Maybe a seal is broken.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

  7. #7
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    It doesn't look like i can see the glow wire.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

  8. #8
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    I took off the glow wire so it didn't start. I dont know where the lsn is. any guide? I heard it's behind the carb but I cant see it.

  9. #9
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    It is in the middle of the end of the blue rubber boot on the carb.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

  10. #10
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    ... sorry, blue rubber boot? LOL Pardon my n00bness. Did i mention I have the TRX .15 engine?
    Last edited by Shandley; 09-20-2012 at 10:37 PM.

  11. #11
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    Ah right by the throttle linkage. It's flush with the carb.

  12. #12
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    Oh sorry I was thinking of the 2.5.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

  13. #13
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    No worries. 0.15 cubic inches is 2.458cc so, very close.

    Say, if it's the .15, isn't that suppose to have the high speed needle out 2.5 turns? If I do that, I'll never get it going. Thoughts?
    Last edited by Shandley; 09-21-2012 at 09:21 AM.

  14. #14
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    I have a few 15 pro's, yes on hsn norm around 2.5-2.75 just depends. And lsn to wherever you have a good pinch time.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  15. #15
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    Would 4 turns out on the HSN cause too much oil, so much that it would leak through the shaft onto the OWB?

    Btw, what is 'pinch time' (I'm super new).

  16. #16
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    Go to YouTube. http://www.youtube.com/watch?v=Hhowt...e_gdata_player
    I reccomend watching all of squirrels vids, very good info and explains all.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  17. #17
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    Hmm.. Thanks for the videos but perhaps I have a larger issue. After sitting and watching (and learning a lot), then sealing my engine and sealing the needles, I fear I may have a crack somewhere that is leaking oil. I can't find it though. The saga continues...

  18. #18
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    Leaking from backplate?? How old is this engine? Rear bushing could be wore enough to be leaking. Make sure there is a gasket between plate and block, its clear and hard to see at times. If bushing feels like its wore only thing to do is replace.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  19. #19
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    The engine is 15 years old or so but only has about 10 hours on it, if that. I cleaned it out completely before gaming up for the new era of this old truck. The rear bushing appears to be solid and 100%. The shaft as well. When I sealed the back plate, the clear gasket was there and intact.

  20. #20
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    Need more info. Why do you think it has a crack? Is fuel pooling somewhere? Or just starting issues? I assumed the backplate from earlier comments.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  21. #21
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    I may be jumping to conclusions. There is oil everywhere, predominantly around the starter; however, I am told a little oil is normal. This is a dirty hobby, I'm told. Now, the slipping is an issue because of the oil leak. The cause of the oil leak is unknown. I though it may have been from running too rich. That may still be the issue. I'm happy to provide any info. Did I mention it is very hard to start this thing? Keeping it going requires a lot of attention for 5 to 10 minutes and that is with a clean and dry OWB.
    Last edited by Shandley; 09-21-2012 at 04:00 PM.

  22. #22
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    ?? It does start though, right?? Follow the vids i referred to you and get it tuned. See if excess oil is eliminated. Just remember hsn should be 2.75 and lsn flush for the. 15. Tunning is same regardless.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  23. #23
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    I did that. Still issues. Nothing I do changes how hard it is to start except for turning the HSN out. It seems to need more fuel than the 2.75 will give. No change in the LSN helps.

  24. #24
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    Is idle screw set?
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  25. #25
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    Sure is. 1-1.5mm gap

  26. #26
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    Just started my 15turbo, its 73* here with 30% humidity and dew point is 41* so its pretty dry. Hsn is right at 2 lsn is 1 in from flush. depending on weather adjust from there.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  27. #27
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    Is the 15turbo the same as my TRX Pro 15?

  28. #28
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    Same engine, just ported, and rod is knifed, also has some crank work done, but all the same parts.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  29. #29
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    http://www.youtube.com/watch?v=gy7saBCNaTo

    Here is a video of what I did. Please note that I was running the engine prior to what you see so it's already warmed up.

    New glow plug too.

  30. #30
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    The black cap at the top of the pic is hsn. The screw on the side with the black boot around it is the lsn. I don't know if lsn should be flush.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

  31. #31
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    2.5 turns is just a baseline setting for breaking it in. It is ok to go more if needed, just watch your temps.
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  32. #32
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    Yes, that I knew. Flush for the LSN and 2.5 out for the HSN is stock for the TRX Pro 15. I am wondering why there is so much oil.

  33. #33
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    http://traxxas.com/node/50433

    Yes lsn is set to flush.... then tune both needles as needed.....
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  34. #34
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    If its running good, i wouldnt worry about it..... what kind of fuel?
    3 t maxx 3.3, 2 revo 3.3, 2 slayer pros, what next

  35. #35
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    I am using Blue Thunder 20%. At 4.5 full turns out, I can run but not full throttle or it'll stall
    Last edited by Shandley; 09-21-2012 at 06:47 PM.

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